Comparison of phytochemical constituents and antioxidant activities of aqueous and alcoholic extracts of saffron
In the present work, phytochemical compounds and antioxidant activities of three aqueous, ethanolic (50 and 80%, v/v) and methanolic (50 and 80%, v/v) extracts of saffron during 1 and 24 h of shaking time were compared. Results showed that the ethanolic solution (80%, v/v) extracted for 24 h had the...
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Published in | Quality assurance and safety of crops & food Vol. 7; no. 4; pp. 521 - 529 |
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Abstract | In the present work, phytochemical compounds and antioxidant activities of three aqueous, ethanolic (50 and 80%, v/v) and methanolic (50 and 80%, v/v) extracts of saffron during 1 and 24 h of shaking time were compared. Results showed that the ethanolic solution (80%, v/v) extracted for 24 h had the highest amounts of phenolic compounds (29.2 g gallic acid (Gal)/g dry weight (DW)), followed by 1 h aqueous extract (17.53 mg Gal/g DW) and 1 h methanol extract (50%, v/v, 14.5 mg Gal/g DW). The total flavonoid contents for all extracts were varied from 0.20 to 0.56 mg quercetin/g DW. Although all the extracts were capable to scavenge the 2,2′-diphenyl-1-picrylhydrazyl free-radical, ethanolic extract was found to be the best antioxidant activity (84.22%). Solvent type and extraction time had significant effects on the antioxidant capacities and phytochemical contents of the saffron extracts. A significant positive correlation was found between the antioxidant activity, total phenolic (r2=0.991) and flavonoid (r2=0.996) contents (P<0.05) for 24 h the extracted extracts. High performance liquid chromatography analysis also demonstrated that the components amounts of crocins, picrocrocin and safranal were varied in the saffron samples extracted from the different solvents. |
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AbstractList | In the present work, phytochemical compounds and antioxidant activities of three aqueous, ethanolic (50 and 80%, v/v) and methanolic (50 and 80%, v/v) extracts of saffron during 1 and 24 h of shaking time were compared. Results showed that the ethanolic solution (80%, v/v) extracted for 24 h had the highest amounts of phenolic compounds (29.2 g gallic acid (Gal)/g dry weight (DW)), followed by 1 h aqueous extract (17.53 mg Gal/g DW) and 1 h methanol extract (50%, v/v, 14.5 mg Gal/g DW). The total flavonoid contents for all extracts were varied from 0.20 to 0.56 mg quercetin/g DW. Although all the extracts were capable to scavenge the 2,2′-diphenyl-1-picrylhydrazyl free-radical, ethanolic extract was found to be the best antioxidant activity (84.22%). Solvent type and extraction time had significant effects on the antioxidant capacities and phytochemical contents of the saffron extracts. A significant positive correlation was found between the antioxidant activity, total phenolic (r2=0.991) and flavonoid (r2=0.996) contents (P<0.05) for 24 h the extracted extracts. High performance liquid chromatography analysis also demonstrated that the components amounts of crocins, picrocrocin and safranal were varied in the saffron samples extracted from the different solvents. In the present work, phytochemical compounds and antioxidant activities of three aqueous, ethanolic (50 and 80%, v/v) and methanolic (50 and 80%, v/v) extracts of saffron during 1 and 24 h of shaking time were compared. Results showed that the ethanolic solution (80%, v/v) extracted for 24 h had the highest amounts of phenolic compounds (29.2 g gallic acid (Gal)/g dry weight (DW)), followed by 1 h aqueous extract (17.53 mg Gal/g DW) and 1 h methanol extract (50%, v/v, 14.5 mg Gal/g DW). The total flavonoid contents for all extracts were varied from 0.20 to 0.56 mg quercetin/g DW. Although all the extracts were capable to scavenge the 2,2'-diphenyl-1-picrylhydrazyl free-radical, ethanolic extract was found to be the best antioxidant activity (84.22%). Solvent type and extraction time had significant effects on the antioxidant capacities and phytochemical contents of the saffron extracts. A significant positive correlation was found between the antioxidant activity, total phenolic (r2=0.991) and flavonoid (r2=0.996) contents (P |
Author | Hashemi, M Rahaiee, S Moini, S Razavi, S. H Shojaosadati, S. Abbas |
Author_xml | – sequence: 1 givenname: S surname: Rahaiee fullname: Rahaiee, S organization: Department of Food Science, Engineering and Technology, Faculty of Agricultural Engineering and Technology, University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran – sequence: 2 givenname: M surname: Hashemi fullname: Hashemi, M organization: Department of Microbial Biotechnology and Biosafety, Agricultural Biotechnology Research Institute of Iran (ABRII), Shahid Fahmideh street, P.O. Box 31535-1897, Karaj, Iran – sequence: 3 givenname: S surname: Moini fullname: Moini, S organization: Department of Food Science, Engineering and Technology, Faculty of Agricultural Engineering and Technology, University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran – sequence: 4 givenname: S. Abbas surname: Shojaosadati fullname: Shojaosadati, S. Abbas organization: Biotechnology Group, Department of Chemical Engineering, Tarbiat Modarres University, P.O. Box 14115-143, Tehran 82883803, Iran – sequence: 5 givenname: S. H surname: Razavi fullname: Razavi, S. H organization: Department of Food Science, Engineering and Technology, Faculty of Agricultural Engineering and Technology, University of Tehran, P.O. Box 4111, Karaj 31587-77871, Iran |
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CitedBy_id | crossref_primary_10_1002_aoc_5705 crossref_primary_10_1016_j_ijbiomac_2017_02_095 crossref_primary_10_1016_j_bcab_2023_102831 crossref_primary_10_3390_foods11203245 crossref_primary_10_1016_j_ijbiomac_2015_04_041 crossref_primary_10_1016_j_jddst_2024_105449 crossref_primary_10_1016_j_jff_2021_104467 crossref_primary_10_1002_ptr_7968 crossref_primary_10_1016_j_fbio_2020_100605 crossref_primary_10_3920_QAS2015_0591 |
Cites_doi | 10.1002/jsfa.2576 10.1111/j.1750-3841.2012.02926.x 10.1021/jf049808j 10.1016/j.foodchem.2007.09.080 10.1046/j.1365-2621.2002.00552.x 10.1016/0021-9673(94)80628-4 10.1111/j.1745-4557.2001.tb00604.x 10.1021/jf010697n 10.1016/j.foodchem.2011.02.015 10.3390/molecules15096244 10.1080/10408390902773003 10.1002/ptr.1749 10.1016/j.seppur.2007.03.006 10.1111/j.1365-2621.1992.tb08079.x 10.1016/j.foodres.2010.07.033 10.1016/S0021-9673(98)00938-8 10.1021/jf804041g 10.1111/j.1750-3841.2012.02803.x 10.3390/molecules14062167 10.1016/j.indcrop.2013.03.019 10.5897/AJB11.406 10.1016/j.foodchem.2005.11.020 10.1016/j.neulet.2004.02.067 10.1016/j.indcrop.2012.02.028 10.1021/jf061932a 10.1016/j.fct.2008.08.018 10.1016/j.scienta.2009.02.017 |
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SubjectTerms | Antioxidants Flavonoids Phytochemicals Research-Article |
Title | Comparison of phytochemical constituents and antioxidant activities of aqueous and alcoholic extracts of saffron |
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