Consumption of Hibiscus sabdariffa L. aqueous extract and its impact on systemic antioxidant potential in healthy subjects

BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (F...

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Published inJournal of the science of food and agriculture Vol. 92; no. 10; pp. 2207 - 2218
Main Authors Frank, Thomas, Netzel, Gabriele, Kammerer, Dietmar R, Carle, Reinhold, Kler, Adolf, Kriesl, Erwin, Bitsch, Irmgard, Bitsch, Roland, Netzel, Michael
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LanguageEnglish
Published Chichester, UK John Wiley & Sons, Ltd 15.08.2012
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Abstract BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre‐dose concentration, and the amounts excreted into urine within 24 h (Ae0–24) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). RESULTS: HSE caused significantly higher plasma AUC of FRAP, an increase in Ae0–24 of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). CONCLUSION: The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota. Copyright © 2012 Society of Chemical Industry
AbstractList To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open-label, two-way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre-dose concentration, and the amounts excreted into urine within 24 h (Ae(0-24) ) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake).BACKGROUNDTo evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open-label, two-way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre-dose concentration, and the amounts excreted into urine within 24 h (Ae(0-24) ) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake).HSE caused significantly higher plasma AUC of FRAP, an increase in Ae(0-24) of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose).RESULTSHSE caused significantly higher plasma AUC of FRAP, an increase in Ae(0-24) of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose).The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota.CONCLUSIONThe aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota.
To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open-label, two-way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre-dose concentration, and the amounts excreted into urine within 24 h (...) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). HSE caused significantly higher plasma AUC of FRAP, an increase in ... of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota. (ProQuest: ... denotes formulae/symbols omitted.)
BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre‐dose concentration, and the amounts excreted into urine within 24 h (Ae0–24) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). RESULTS: HSE caused significantly higher plasma AUC of FRAP, an increase in Ae0–24 of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). CONCLUSION: The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota. Copyright © 2012 Society of Chemical Industry
BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre‐dose concentration, and the amounts excreted into urine within 24 h (Ae 0–24 ) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). RESULTS: HSE caused significantly higher plasma AUC of FRAP, an increase in Ae 0–24 of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). CONCLUSION: The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota. Copyright © 2012 Society of Chemical Industry
To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open-label, two-way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre-dose concentration, and the amounts excreted into urine within 24 h (Ae(0-24) ) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). HSE caused significantly higher plasma AUC of FRAP, an increase in Ae(0-24) of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota.
BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the impact of an aqueous H. sabdariffa L. extract (HSE) on the systemic antioxidant potential (AOP; assayed by ferric reducing antioxidant power (FRAP)) with a reference treatment (water) in eight healthy volunteers. The biokinetic variables were the areas under the curve (AUC) of plasma FRAP, ascorbic acid and urate that are above the pre‐dose concentration, and the amounts excreted into urine within 24 h (Ae0–24) of antioxidants as assayed by FRAP, ascorbic acid, uric acid, malondialdehyde (biomarker for oxidative stress), and hippuric acid (metabolite and potential biomarker for total polyphenol intake). RESULTS: HSE caused significantly higher plasma AUC of FRAP, an increase in Ae0–24 of FRAP, ascorbic acid and hippuric acid, whereas malondialdehyde excretion was reduced. Furthermore, the main hibiscus anthocyanins as well as one glucuronide conjugate could be quantified in the volunteers' urine (0.02% of the administered dose). CONCLUSION: The aqueous HSE investigated in this study enhanced the systemic AOP and reduced the oxidative stress in humans. Furthermore, the increased urinary hippuric acid excretion after HSE consumption indicates a high biotransformation of the ingested HSE polyphenols, most likely caused by the colonic microbiota.
Author Carle, Reinhold
Netzel, Gabriele
Kammerer, Dietmar R
Bitsch, Irmgard
Kler, Adolf
Bitsch, Roland
Frank, Thomas
Netzel, Michael
Kriesl, Erwin
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  fullname: Netzel, Gabriele
  organization: Institute of Nutrition, Friedrich Schiller University Jena, 07743 Jena, Germany
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  surname: Bitsch
  fullname: Bitsch, Irmgard
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  givenname: Michael
  surname: Netzel
  fullname: Netzel, Michael
  email: Michael.Netzel@csiro.au
  organization: Institute of Nutrition, Friedrich Schiller University Jena, 07743 Jena, Germany
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Copyright Copyright © 2012 Society of Chemical Industry
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1097-0010
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IsPeerReviewed true
IsScholarly true
Issue 10
Keywords Malvaceae
Human
antioxidant potential
polyphenols
Hippuric acid
Healthy subject
Extract
Antioxidant
Hibiscus
Polyphenol
Dicotyledones
Angiospermae
Hibiscus sabdariffa L
Spermatophyta
malondialdehyde
humans
Language English
License CC BY 4.0
Copyright © 2012 Society of Chemical Industry.
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PublicationPlace Chichester, UK
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PublicationTitle Journal of the science of food and agriculture
PublicationTitleAlternate J. Sci. Food Agric
PublicationYear 2012
Publisher John Wiley & Sons, Ltd
Wiley
John Wiley and Sons, Limited
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– name: John Wiley and Sons, Limited
References Ghiselli A, Serafini M, Natella F and Scaccini C, Total antioxidant capacity as a tool to assess redox status: critical view and experimental data. Free Radic Biol Med 29: 1106-1114 (2000).
Mazza G and Miniati E, Anthocyanins in Fruits, Vegetables, and Grains. CRC Press, Boca Raton, FL (1993).
Mulder TP, Rietveld AG and van Amelsvoort JM, Consumption of both black tea and green tea results in an increase in the excretion of hippuric acid into urine. Am J Clin Nutr 81: 256S-260S (2005).
McKay DL, Chen CY, Saltzman E and Blumberg JB, Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults. J Nutr 140: 298-303 (2010).
Schlesier K, Harwat M, Böhm V and Bitsch R, Assessment of antioxidant activity by using different in vitro methods. Free Radic Res 36: 177-187 (2002).
Leenen R, Roodenburg AJ, Tijburg LB and Wiseman SA, A single dose of tea with or without milk increases plasma antioxidant activity in humans. Eur J Clin Nutr 54: 87-92 (2000).
Harada M, Kan Y, Naoki H, Fukui Y, Kageyama N, Nakai M, et al, Identification of the major antioxidative metabolites in biological fluids of the rat with ingested (+)-catechin and (−)-epicatechin. Biosci Biotechnol Biochem 63: 973-977 (1999).
Gorelik S, Ligumsky M, Kohen R and Kanner J, A novel function of red wine polyphenols in humans: prevention of absorption of cytotoxic lipid peroxidation products. FASEB J 22: 41-46 (2008).
Huang D, Ou B and Prior RL, The chemistry behind antioxidant capacity assays. J Agric Food Chem 53: 1841-1856 (2005).
Ali BH, Al WN and Blunden G, Phytochemical, pharmacological and toxicological aspects of Hibiscus sabdariffa L.: a review. Phytother Res 19: 369-375 (2005).
Ross MA, Determination of ascorbic acid and uric acid in plasma by high-performance liquid chromatography. J Chromatogr 657: 197-200 (1994).
Peng CH, Chyau CC, Chan KC, Chan TH, Wang CJ and Huang CN, Hibiscus sabdariffa polyphenolic extract inhibits hyperglycemia, hyperlipidemia, and glycation-oxidative stress while improving insulin resistance. J Agric Food Chem 59: 9901-9909 (2011).
Duthie GG, Pedersen MW, Gardner PT, Morrice PC, Jenkinson AM, McPhail DB, et al, The effect of whisky and wine consumption on total phenol content and antioxidant capacity of plasma from healthy volunteers. Eur J Clin Nutr 52: 733-736 (1998).
Kubota K, Horai Y, Kushida K and Ishizaki T, Determination of benzoic acid and hippuric acid in human plasma and urine by high-performance liquid chromatography. J Chromatogr 425: 67-75 (1988).
Lin HH, Chen JH and Wang CJ, Chemopreventive properties and molecular mechanisms of the bioactive compounds in Hibiscus sabdariffa Linne. Curr Med Chem 18: 1245-1254 (2011).
Felgines C, Talavera S, Gonthier MP, Texier O, Scalbert A, Lamaison JL, et al, Strawberry anthocyanins are recovered in urine as glucuro- and sulfoconjugates in humans. J Nutr 133: 1296-1301 (2003).
Wu X, Beecher GR, Holden JM, Haytowitz DB, Gebhardt SE and Prior RL, Concentrations of anthocyanins in common foods in the United States and estimation of normal consumption. J Agric Food Chem 54: 4069-4075 (2006).
Clifford MN, Copeland EL, Bloxsidge JP and Mitchell LA, Hippuric acid as a major excretion product associated with black tea consumption. Xenobiotica 30: 317-326 (2000).
Kammerer D, Claus A, Carle R and Schieber A, Polyphenol screening of pomace from red and white grape varieties (Vitis vinifera L.) by HPLC-DAD-MS/MS. J Agric Food Chem 52: 4360-4367 (2004).
Woodward G, Kroon P, Cassidy A and Kay C, Anthocyanin stability and recovery: implications for the analysis of clinical and experimental samples. J Agric Food Chem 57: 5271-5278 (2009).
Benzie IF and Strain JJ, The ferric reducing ability of plasma (FRAP) as a measure of 'antioxidant power': the FRAP assay. Anal Biochem 239: 70-76 (1996).
Fernandez-Pachon MS, Villano D, Troncoso AM and Garcia-Parrilla MC, Antioxidant capacity of plasma after red wine intake in human volunteers. J Agric Food Chem 53: 5024-5029 (2005).
Williamson G and Clifford MN, Colonic metabolites of berry polyphenols: the missing link to biological activity? Br J Nutr 104:(Suppl 3): S48-S66 (2010).
Suttnar J, Cermak J and Dyr JE, Solid-phase extraction in malondialdehyde analysis. Anal Biochem 249: 20-23 (1997).
Moon JH, Tsushida T, Nakahara K and Terao J, Identification of quercetin 3-O-beta-D-glucuronide as an antioxidative metabolite in rat plasma after oral administration of quercetin. Free Radic Biol Med 30: 1274-1285 (2001).
Hou DX, Tong X, Terahara N, Luo D and Fujii M, Delphinidin 3-sambubioside, a Hibiscus anthocyanin, induces apoptosis in human leukemia cells through reactive oxygen species-mediated mitochondrial pathway. Arch Biochem Biophys 440: 101-109 (2005).
Manach C, Williamson G, Morand C, Scalbert A and Remesy C, Bioavailability and bioefficacy of polyphenols in humans. I. Review of 97 bioavailability studies. Am J Clin Nutr 81: 230S-242S (2005).
DuPont MS, Bennett RN, Mellon FA and Williamson G, Polyphenols from alcoholic apple cider are absorbed, metabolized and excreted by humans. J Nutr 132: 172-175 (2002).
Volpi N and Tarugi P, Improvement in the high-performance liquid chromatography malondialdehyde level determination in normal human plasma. J Chromatogr B Biomed Sci Appl 713: 433-437 (1998).
Kaliora AC and Dedoussis GV, Natural antioxidant compounds in risk factors for CVD. Pharmacol Res 56: 99-109 (2007).
Miyazawa T, Nakagawa K, Kudo M, Muraishi K and Someya K, Direct intestinal absorption of red fruit anthocyanins, cyanidin-3-glucoside and cyanidin-3,5-diglucoside, into rats and humans. J Agric Food Chem 47: 1083-1091 (1999).
Vitaglione P, Donnarumma G, Napolitano A, Galvano F, Gallo A, Scalfi L, et al, Protocatechuic acid is the major human metabolite of cyanidin-glucosides. J Nutr 137: 2043-2048 (2007).
Korchazhkina O, Exley C and Spencer SA, Measurement by reverse-phased high-performance liquid chromatography of malondialdehyde in normal human urine following derivatisation with 2,4-dinitrophenylhydrazine. J Chromatogr 794: 353-362 (2003).
Serafini M, Maiani G and Ferro-Luzzi A, Alcohol-free red wine enhances plasma antioxidant capacity in humans. J Nutr 128: 1003-1007 (1998).
Cao G, Russell RM, Lischner N and Prior RL, Serum antioxidant capacity is increased by consumption of strawberries, spinach, red wine or vitamin C in elderly women. J Nutr 128: 2383-2390 (1998).
Natsume M, Osakabe N, Yasuda A, Baba S, Tokunaga T, Kondo K, et al, In vitro antioxidative activity of (-)-epicatechin glucuronide metabolites present in human and rat plasma. Free Radic Res 38: 1341-1348 (2004).
Piche LA, Draper HH and Cole PD, Malondialdehyde excretion by subjects consuming cod liver oil vs a concentrate of n-3 fatty acids. Lipids 23: 370-371 (1988).
Weinbrenner T, Fito M, de la Torre R, Saez GT, Rijken P, Tormos C, et al, Olive oils high in phenolic compounds modulate oxidative/antioxidative status in men. J Nutr 134: 2314-2321 (2004).
Singleton VL and Rossi JA, Colorimetry of total phenolics with phosphomolybdic-phosphotungstic acid reagents. Am J Enol Vitic 16: 144-158 (1965).
Böhm V, Fröhlich K and Bitsch R, Rosehip: a 'new' source of lycopene? Mol Aspects Med 24: 385-389 (2003).
Lin HH, Huang HP, Huang CC, Chen JH and Wang CJ, Hibiscus polyphenol-rich extract induces apoptosis in human gastric carcinoma cells via p53 phosphorylation and p38 MAPK/FasL cascade pathway. Mol Carcinog 43: 86-99 (2005).
Lotito SB and Frei B, The increase in human plasma antioxidant capacity after apple consumption is due to the metabolic effect of fructose on urate, not apple-derived antioxidant flavonoids. Free Radic Biol Med 37: 251-258 (2004).
Vazquez Odirez ML, Vazquez Blanco ME, Lopez Hernandes J, Simal Lozano J and Romero Rodriguez MA, Simultaneous determination of organic acids and vitamin C in green beans by liquid chromatography. J AOAC Int 77: 1056-1059 (1994).
van Dorsten FA, Grun CH, van Velzen EJ, Jacobs DM, Draijer R and van Duynhoven JP, The metabolic fate of red wine and grape juice polyphenols in humans assessed by metabolomics. Mol Nutr Food Res 54: 897-908 (2010).
Frank T, Janssen M, Netzel M, Strass G, Kler A, Kriesl E, et al, Pharmacokinetics of anthocyanidin-3-glycosides following consumption of Hibiscus sabdariffa L. extract. J Clin Pharmacol 45: 203-210 (2005).
Price RK, Welch RW, Lee-Manion AM, Bradbury I and Strain JJ, Total phenolics and antioxidant potential in plasma and urine of humans after consumption of wheat bran. Cereal Chem 85: 152-157 (2008).
Khan N, Afaq F and Mukhtar H, Cancer chemoprevention through dietary antioxidants: progress and promise. Antioxid Redox Signal 10: 475-510 (2008).
Prior RL, Wu X and Schaich K, Standardized methods for the determination of antioxidant capacity and phenolics in foods and dietary supplements. J Agric Food Chem 53: 4290-4302 (2005).
Tepel M, van der Giet M and Zidek W, [Antioxidant therapy in vascular and renal diseases]. Med Klin (Munich) 97: 144-151 (2002).
2002; 36
2010; 54
2000; 29
2002; 132
2002; 97
2010
2006; 54
2010; 104
1999; 47
1998; 713
2008
2005; 43
2008; 10
2005; 81
1993
2010; 140
1999; 63
2011; 59
1965; 16
1994; 657
2007; 56
2011; 18
2003; 794
2003; 133
1988; 425
2005; 45
2004; 134
2007; 137
2004; 52
2009; 57
2005; 19
1997; 249
2005; 440
2004; 38
2000; 54
2004; 37
2000; 30
2003; 24
1987
1994; 77
2005; 53
1988; 23
2008; 22
1998; 128
2008; 85
1998; 52
1996; 239
2001; 30
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References_xml – reference: Peng CH, Chyau CC, Chan KC, Chan TH, Wang CJ and Huang CN, Hibiscus sabdariffa polyphenolic extract inhibits hyperglycemia, hyperlipidemia, and glycation-oxidative stress while improving insulin resistance. J Agric Food Chem 59: 9901-9909 (2011).
– reference: van Dorsten FA, Grun CH, van Velzen EJ, Jacobs DM, Draijer R and van Duynhoven JP, The metabolic fate of red wine and grape juice polyphenols in humans assessed by metabolomics. Mol Nutr Food Res 54: 897-908 (2010).
– reference: Huang D, Ou B and Prior RL, The chemistry behind antioxidant capacity assays. J Agric Food Chem 53: 1841-1856 (2005).
– reference: Singleton VL and Rossi JA, Colorimetry of total phenolics with phosphomolybdic-phosphotungstic acid reagents. Am J Enol Vitic 16: 144-158 (1965).
– reference: Frank T, Janssen M, Netzel M, Strass G, Kler A, Kriesl E, et al, Pharmacokinetics of anthocyanidin-3-glycosides following consumption of Hibiscus sabdariffa L. extract. J Clin Pharmacol 45: 203-210 (2005).
– reference: Duthie GG, Pedersen MW, Gardner PT, Morrice PC, Jenkinson AM, McPhail DB, et al, The effect of whisky and wine consumption on total phenol content and antioxidant capacity of plasma from healthy volunteers. Eur J Clin Nutr 52: 733-736 (1998).
– reference: Harada M, Kan Y, Naoki H, Fukui Y, Kageyama N, Nakai M, et al, Identification of the major antioxidative metabolites in biological fluids of the rat with ingested (+)-catechin and (−)-epicatechin. Biosci Biotechnol Biochem 63: 973-977 (1999).
– reference: Wu X, Beecher GR, Holden JM, Haytowitz DB, Gebhardt SE and Prior RL, Concentrations of anthocyanins in common foods in the United States and estimation of normal consumption. J Agric Food Chem 54: 4069-4075 (2006).
– reference: Woodward G, Kroon P, Cassidy A and Kay C, Anthocyanin stability and recovery: implications for the analysis of clinical and experimental samples. J Agric Food Chem 57: 5271-5278 (2009).
– reference: Leenen R, Roodenburg AJ, Tijburg LB and Wiseman SA, A single dose of tea with or without milk increases plasma antioxidant activity in humans. Eur J Clin Nutr 54: 87-92 (2000).
– reference: Kaliora AC and Dedoussis GV, Natural antioxidant compounds in risk factors for CVD. Pharmacol Res 56: 99-109 (2007).
– reference: Clifford MN, Copeland EL, Bloxsidge JP and Mitchell LA, Hippuric acid as a major excretion product associated with black tea consumption. Xenobiotica 30: 317-326 (2000).
– reference: Korchazhkina O, Exley C and Spencer SA, Measurement by reverse-phased high-performance liquid chromatography of malondialdehyde in normal human urine following derivatisation with 2,4-dinitrophenylhydrazine. J Chromatogr 794: 353-362 (2003).
– reference: Mulder TP, Rietveld AG and van Amelsvoort JM, Consumption of both black tea and green tea results in an increase in the excretion of hippuric acid into urine. Am J Clin Nutr 81: 256S-260S (2005).
– reference: Hou DX, Tong X, Terahara N, Luo D and Fujii M, Delphinidin 3-sambubioside, a Hibiscus anthocyanin, induces apoptosis in human leukemia cells through reactive oxygen species-mediated mitochondrial pathway. Arch Biochem Biophys 440: 101-109 (2005).
– reference: Miyazawa T, Nakagawa K, Kudo M, Muraishi K and Someya K, Direct intestinal absorption of red fruit anthocyanins, cyanidin-3-glucoside and cyanidin-3,5-diglucoside, into rats and humans. J Agric Food Chem 47: 1083-1091 (1999).
– reference: Lin HH, Huang HP, Huang CC, Chen JH and Wang CJ, Hibiscus polyphenol-rich extract induces apoptosis in human gastric carcinoma cells via p53 phosphorylation and p38 MAPK/FasL cascade pathway. Mol Carcinog 43: 86-99 (2005).
– reference: Serafini M, Maiani G and Ferro-Luzzi A, Alcohol-free red wine enhances plasma antioxidant capacity in humans. J Nutr 128: 1003-1007 (1998).
– reference: Lin HH, Chen JH and Wang CJ, Chemopreventive properties and molecular mechanisms of the bioactive compounds in Hibiscus sabdariffa Linne. Curr Med Chem 18: 1245-1254 (2011).
– reference: Lotito SB and Frei B, The increase in human plasma antioxidant capacity after apple consumption is due to the metabolic effect of fructose on urate, not apple-derived antioxidant flavonoids. Free Radic Biol Med 37: 251-258 (2004).
– reference: Manach C, Williamson G, Morand C, Scalbert A and Remesy C, Bioavailability and bioefficacy of polyphenols in humans. I. Review of 97 bioavailability studies. Am J Clin Nutr 81: 230S-242S (2005).
– reference: Mazza G and Miniati E, Anthocyanins in Fruits, Vegetables, and Grains. CRC Press, Boca Raton, FL (1993).
– reference: Ross MA, Determination of ascorbic acid and uric acid in plasma by high-performance liquid chromatography. J Chromatogr 657: 197-200 (1994).
– reference: DuPont MS, Bennett RN, Mellon FA and Williamson G, Polyphenols from alcoholic apple cider are absorbed, metabolized and excreted by humans. J Nutr 132: 172-175 (2002).
– reference: Kammerer D, Claus A, Carle R and Schieber A, Polyphenol screening of pomace from red and white grape varieties (Vitis vinifera L.) by HPLC-DAD-MS/MS. J Agric Food Chem 52: 4360-4367 (2004).
– reference: Prior RL, Wu X and Schaich K, Standardized methods for the determination of antioxidant capacity and phenolics in foods and dietary supplements. J Agric Food Chem 53: 4290-4302 (2005).
– reference: Fernandez-Pachon MS, Villano D, Troncoso AM and Garcia-Parrilla MC, Antioxidant capacity of plasma after red wine intake in human volunteers. J Agric Food Chem 53: 5024-5029 (2005).
– reference: Vitaglione P, Donnarumma G, Napolitano A, Galvano F, Gallo A, Scalfi L, et al, Protocatechuic acid is the major human metabolite of cyanidin-glucosides. J Nutr 137: 2043-2048 (2007).
– reference: McKay DL, Chen CY, Saltzman E and Blumberg JB, Hibiscus sabdariffa L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults. J Nutr 140: 298-303 (2010).
– reference: Gorelik S, Ligumsky M, Kohen R and Kanner J, A novel function of red wine polyphenols in humans: prevention of absorption of cytotoxic lipid peroxidation products. FASEB J 22: 41-46 (2008).
– reference: Ali BH, Al WN and Blunden G, Phytochemical, pharmacological and toxicological aspects of Hibiscus sabdariffa L.: a review. Phytother Res 19: 369-375 (2005).
– reference: Khan N, Afaq F and Mukhtar H, Cancer chemoprevention through dietary antioxidants: progress and promise. Antioxid Redox Signal 10: 475-510 (2008).
– reference: Felgines C, Talavera S, Gonthier MP, Texier O, Scalbert A, Lamaison JL, et al, Strawberry anthocyanins are recovered in urine as glucuro- and sulfoconjugates in humans. J Nutr 133: 1296-1301 (2003).
– reference: Ghiselli A, Serafini M, Natella F and Scaccini C, Total antioxidant capacity as a tool to assess redox status: critical view and experimental data. Free Radic Biol Med 29: 1106-1114 (2000).
– reference: Benzie IF and Strain JJ, The ferric reducing ability of plasma (FRAP) as a measure of 'antioxidant power': the FRAP assay. Anal Biochem 239: 70-76 (1996).
– reference: Weinbrenner T, Fito M, de la Torre R, Saez GT, Rijken P, Tormos C, et al, Olive oils high in phenolic compounds modulate oxidative/antioxidative status in men. J Nutr 134: 2314-2321 (2004).
– reference: Volpi N and Tarugi P, Improvement in the high-performance liquid chromatography malondialdehyde level determination in normal human plasma. J Chromatogr B Biomed Sci Appl 713: 433-437 (1998).
– reference: Cao G, Russell RM, Lischner N and Prior RL, Serum antioxidant capacity is increased by consumption of strawberries, spinach, red wine or vitamin C in elderly women. J Nutr 128: 2383-2390 (1998).
– reference: Kubota K, Horai Y, Kushida K and Ishizaki T, Determination of benzoic acid and hippuric acid in human plasma and urine by high-performance liquid chromatography. J Chromatogr 425: 67-75 (1988).
– reference: Tepel M, van der Giet M and Zidek W, [Antioxidant therapy in vascular and renal diseases]. Med Klin (Munich) 97: 144-151 (2002).
– reference: Suttnar J, Cermak J and Dyr JE, Solid-phase extraction in malondialdehyde analysis. Anal Biochem 249: 20-23 (1997).
– reference: Schlesier K, Harwat M, Böhm V and Bitsch R, Assessment of antioxidant activity by using different in vitro methods. Free Radic Res 36: 177-187 (2002).
– reference: Natsume M, Osakabe N, Yasuda A, Baba S, Tokunaga T, Kondo K, et al, In vitro antioxidative activity of (-)-epicatechin glucuronide metabolites present in human and rat plasma. Free Radic Res 38: 1341-1348 (2004).
– reference: Moon JH, Tsushida T, Nakahara K and Terao J, Identification of quercetin 3-O-beta-D-glucuronide as an antioxidative metabolite in rat plasma after oral administration of quercetin. Free Radic Biol Med 30: 1274-1285 (2001).
– reference: Böhm V, Fröhlich K and Bitsch R, Rosehip: a 'new' source of lycopene? Mol Aspects Med 24: 385-389 (2003).
– reference: Piche LA, Draper HH and Cole PD, Malondialdehyde excretion by subjects consuming cod liver oil vs a concentrate of n-3 fatty acids. Lipids 23: 370-371 (1988).
– reference: Williamson G and Clifford MN, Colonic metabolites of berry polyphenols: the missing link to biological activity? Br J Nutr 104:(Suppl 3): S48-S66 (2010).
– reference: Vazquez Odirez ML, Vazquez Blanco ME, Lopez Hernandes J, Simal Lozano J and Romero Rodriguez MA, Simultaneous determination of organic acids and vitamin C in green beans by liquid chromatography. J AOAC Int 77: 1056-1059 (1994).
– reference: Price RK, Welch RW, Lee-Manion AM, Bradbury I and Strain JJ, Total phenolics and antioxidant potential in plasma and urine of humans after consumption of wheat bran. Cereal Chem 85: 152-157 (2008).
– volume: 140
  start-page: 298
  year: 2010
  end-page: 303
  article-title: L. tea (tisane) lowers blood pressure in prehypertensive and mildly hypertensive adults
  publication-title: J Nutr
– volume: 18
  start-page: 1245
  year: 2011
  end-page: 1254
  article-title: Chemopreventive properties and molecular mechanisms of the bioactive compounds in Linne
  publication-title: Curr Med Chem
– volume: 85
  start-page: 152
  year: 2008
  end-page: 157
  article-title: Total phenolics and antioxidant potential in plasma and urine of humans after consumption of wheat bran
  publication-title: Cereal Chem
– volume: 54
  start-page: 4069
  year: 2006
  end-page: 4075
  article-title: Concentrations of anthocyanins in common foods in the United States and estimation of normal consumption
  publication-title: J Agric Food Chem
– volume: 440
  start-page: 101
  year: 2005
  end-page: 109
  article-title: Delphinidin 3‐sambubioside, a anthocyanin, induces apoptosis in human leukemia cells through reactive oxygen species‐mediated mitochondrial pathway
  publication-title: Arch Biochem Biophys
– volume: 23
  start-page: 370
  year: 1988
  end-page: 371
  article-title: Malondialdehyde excretion by subjects consuming cod liver oil vs a concentrate of n‐3 fatty acids
  publication-title: Lipids
– start-page: 163
  year: 2010
  end-page: 187
– volume: 10
  start-page: 475
  year: 2008
  end-page: 510
  article-title: Cancer chemoprevention through dietary antioxidants: progress and promise
  publication-title: Antioxid Redox Signal
– volume: 77
  start-page: 1056
  year: 1994
  end-page: 1059
  article-title: Simultaneous determination of organic acids and vitamin C in green beans by liquid chromatography
  publication-title: J AOAC Int
– volume: 425
  start-page: 67
  year: 1988
  end-page: 75
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Snippet BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the...
BACKGROUND: To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open‐label, two‐way crossover study was undertaken to compare the...
To evaluate health benefits attributed to Hibiscus sabdariffa L. a randomized, open-label, two-way crossover study was undertaken to compare the impact of an...
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SubjectTerms administered dose
Adult
anthocyanins
Anthocyanins - pharmacology
Anthocyanins - urine
antioxidant activity
antioxidant potential
Antioxidants
Antioxidants - metabolism
Antioxidants - pharmacology
Aqueous solutions
Area Under Curve
ascorbic acid
Ascorbic Acid - blood
Biological and medical sciences
Biomarkers
Biomarkers - metabolism
Biotransformation
blood
chemistry
drug effects
excretion
Extraction processes
Female
Flowers & plants
Food industries
Food science
Fundamental and applied biological sciences. Psychology
Glucuronides
Glucuronides - pharmacology
Glucuronides - urine
Health
Hibiscus
Hibiscus - chemistry
Hibiscus sabdariffa
Hibiscus sabdariffa L
Hippurates
Hippurates - urine
hippuric acid
Humans
Male
malondialdehyde
Malondialdehyde - urine
metabolism
Oxidative stress
Oxidative Stress - drug effects
pharmacology
Plant Extracts
Plant Extracts - pharmacology
polyphenols
Polyphenols - pharmacology
Polyphenols - urine
Reference Values
uric acid
Uric Acid - blood
urine
volunteers
Young Adult
Title Consumption of Hibiscus sabdariffa L. aqueous extract and its impact on systemic antioxidant potential in healthy subjects
URI https://api.istex.fr/ark:/67375/WNG-TWDSZ48V-B/fulltext.pdf
https://onlinelibrary.wiley.com/doi/abs/10.1002%2Fjsfa.5615
https://www.ncbi.nlm.nih.gov/pubmed/22331521
https://www.proquest.com/docview/1021357373
https://www.proquest.com/docview/1020187319
https://www.proquest.com/docview/1365044478
Volume 92
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