In Vitro Inhibition of Pancreatic Lipase by Polyphenols: A Kinetic, Fluorescence Spectroscopy and Molecular Docking Study

The inhibitory activity and binding characteristics of caffeic acid, -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC =(6.1±2.4)...

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Published inFood technology and biotechnology Vol. 55; no. 4; pp. 519 - 530
Main Authors Martinez-Gonzalez, Alejandra I., Alvarez-Parrilla, Emilio, Díaz-Sánchez, Ángel G., de la Rosa, Laura A., Núñez-Gastélum, José A., Vazquez-Flores, Alma A., Gonzalez-Aguilar, Gustavo A.
Format Journal Article
LanguageEnglish
Published Croatia Sveuciliste U Zagrebu 01.10.2017
Sveuciliste u Zagrebu, Prehramheno-Biotehnoloski Fakultet
University of Zagreb Faculty of Food Technology and Biotechnology
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Abstract The inhibitory activity and binding characteristics of caffeic acid, -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC =(6.1±2.4) µM), followed by -coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and -coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and -coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
AbstractList The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC50=(6.1±2.4) µM), followed by p-coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
The inhibitory activity and binding characteristics of caffeic acid, p -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC 50 =(6.1±2.4) µM), followed by p -coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p -coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p -coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC50=(6.1±2.4) µM), followed by p-coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC50=(6.1±2.4) µM), followed by p-coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor ([IC.sub.50] =(6.1[+ or -]2.4) [micro]M), followed by p-coumaric acid ((170.2[+ or -]20.6) [micro]M) and caffeic acid ((401.5[+ or -]32.1) [micro]M), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and n-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed. Key words: polyphenolic compounds, pancreatic lipase, enzymatic inhibition, molecular docking, anti-obesity effect
The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor ([IC.sub.50] =(6.1[+ or -]2.4) [micro]M), followed by p-coumaric acid ((170.2[+ or -]20.6) [micro]M) and caffeic acid ((401.5[+ or -]32.1) [micro]M), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and n-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
The inhibitory activity and binding characteristics of caffeic acid, -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC =(6.1±2.4) µM), followed by -coumaric acid ((170.2±20.6) µM) and caffeic acid ((401.5±32.1) µM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and -coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and -coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper, against porcine pancreatic lipase activity were studied and compared to hot pepper extract. Quercetin was the strongest inhibitor (IC50=(6.1±2.4) μM), followed by p-coumaric acid ((170.2±20.6) μM) and caffeic acid ((401.5±32.1) μM), while capsaicin and a hot pepper extract had very low inhibitory activity. All polyphenolic compounds showed a mixed-type inhibition. Fluorescence spectroscopy studies showed that polyphenolic compounds had the ability to quench the intrinsic fluorescence of pancreatic lipase by a static mechanism. The sequence of Stern-Volmer constant was quercetin, followed by caffeic and p-coumaric acids. Molecular docking studies showed that caffeic acid, quercetin and p-coumaric acid bound near the active site, while capsaicin bound far away from the active site. Hydrogen bonds and π-stacking hydrophobic interactions are the main pancreatic lipase-polyphenolic compound interactions observed.
Audience Academic
Author Alvarez-Parrilla, Emilio
Díaz-Sánchez, Ángel G.
Martinez-Gonzalez, Alejandra I.
Vazquez-Flores, Alma A.
Núñez-Gastélum, José A.
Gonzalez-Aguilar, Gustavo A.
de la Rosa, Laura A.
Author_xml – sequence: 1
  givenname: Alejandra I.
  orcidid: 0000-0002-0248-9175
  surname: Martinez-Gonzalez
  fullname: Martinez-Gonzalez, Alejandra I.
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  givenname: Emilio
  orcidid: 0000-0002-6162-8139
  surname: Alvarez-Parrilla
  fullname: Alvarez-Parrilla, Emilio
– sequence: 3
  givenname: Ángel G.
  orcidid: 0000-0002-6398-7274
  surname: Díaz-Sánchez
  fullname: Díaz-Sánchez, Ángel G.
– sequence: 4
  givenname: Laura A.
  orcidid: 0000-0003-2082-873X
  surname: de la Rosa
  fullname: de la Rosa, Laura A.
– sequence: 5
  givenname: José A.
  orcidid: 0000-0002-7098-4485
  surname: Núñez-Gastélum
  fullname: Núñez-Gastélum, José A.
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  givenname: Alma A.
  orcidid: 0000-0003-2685-0049
  surname: Vazquez-Flores
  fullname: Vazquez-Flores, Alma A.
– sequence: 7
  givenname: Gustavo A.
  orcidid: 0000-0002-7452-286X
  surname: Gonzalez-Aguilar
  fullname: Gonzalez-Aguilar, Gustavo A.
BackLink https://www.ncbi.nlm.nih.gov/pubmed/29540986$$D View this record in MEDLINE/PubMed
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ContentType Journal Article
Copyright COPYRIGHT 2017 Sveuciliste U Zagrebu
Copyright Sveuciliste u Zagrebu, Prehramheno-Biotehnoloski Fakultet 2017
2017 University of Zagreb Faculty of Food Technology and Biotechnology
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– notice: Copyright Sveuciliste u Zagrebu, Prehramheno-Biotehnoloski Fakultet 2017
– notice: 2017 University of Zagreb Faculty of Food Technology and Biotechnology
CorporateAuthor Research Center for Food & Development, A.C. (CIAD), Carretera a Ejido La Victoria, Km. 0.6, Hermosillo, Sonora 83304, Mexico
Department of Chemical Biological Sciences, Institute for Biomedical Sciences, Autonomous University of Juarez City, 1210 Plutarco Elias Calles Ave., Juarez, Chihuahua, Mexico
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Issue 4
Keywords anti-obesity effect
enzymatic inhibition
molecular docking
polyphenolic compounds
pancreatic lipase
Language English
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PublicationTitle Food technology and biotechnology
PublicationTitleAlternate Food Technol Biotechnol
PublicationYear 2017
Publisher Sveuciliste U Zagrebu
Sveuciliste u Zagrebu, Prehramheno-Biotehnoloski Fakultet
University of Zagreb Faculty of Food Technology and Biotechnology
Publisher_xml – name: Sveuciliste U Zagrebu
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Snippet The inhibitory activity and binding characteristics of caffeic acid, -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper,...
The inhibitory activity and binding characteristics of caffeic acid, p-coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper,...
The inhibitory activity and binding characteristics of caffeic acid, p -coumaric acid, quercetin and capsaicin, four phenolic compounds found in hot pepper,...
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StartPage 519
SubjectTerms Amino acids
anti-obesity effect
Binding sites
Caffeic acid
Cancer
Capsaicin
Capsicum annuum
Care and treatment
enzymatic inhibition
Enzymes
Fluorescence
Fluorescence spectroscopy
Hydrogen bonding
Hydrogen bonds
Hydrophobicity
Ligands
Lipase
Molecular biology
Molecular docking
Obesity
Original Scientific Papers
p-Coumaric acid
Pancreas
pancreatic lipase
Phenolic compounds
Phenols
polyphenolic compounds
Polyphenols
Quercetin
Risk factors
Spectroscopic analysis
Spectroscopy
Spectrum analysis
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Title In Vitro Inhibition of Pancreatic Lipase by Polyphenols: A Kinetic, Fluorescence Spectroscopy and Molecular Docking Study
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