Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents

The majority of the antioxidant and antidiabetic activities of fruits are anthocyanins; a group of polyphenolics that are responsible for the color of many fruits, vegetables and flowers. The harvesting time, storage conditions, maturity, extraction steps etc. are very important for the biological a...

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Main Author: Güdr, Aytaç
Format: Online
Language:English
Published: Shaheed Beheshti University of Medical Sciences 2016
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4986123/
id pubmed-4986123
recordtype oai_dc
spelling pubmed-49861232016-09-08 Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents Güdr, Aytaç Original Article The majority of the antioxidant and antidiabetic activities of fruits are anthocyanins; a group of polyphenolics that are responsible for the color of many fruits, vegetables and flowers. The harvesting time, storage conditions, maturity, extraction steps etc. are very important for the biological activities based on the alteration of chemical composition. The free radical scavenging and antidiabetic activities of total anthocyanins from bitter melon (Momordica charantia Linn) fruit (TAMC) were evaluated by considering four harvesting times. The free radical scavenging activities of the TAMC samples were assessed using DPPH•, DMPD•+ and ABTS•+ assays against BHA, rutin and trolox standards. September as a harvesting period (TAMC-S) had effective DPPH• (SC50 2.55 ± 0.08 μg/mL), DMPD•+ (SC50 2.68 ± 0.09 μg/mL) and ABTS•+ (SC50 8.19 ± 0.09 μg/mL) scavenging activities compared with other samples and standards. In addition, August (TAMC-A) as a harvesting period showed very influential inhibitory activity against α-amylase (IC50 56.86 ± 1.12 μg/mL) and moderate inhibitory activity against α-glucosidase (IC50 88.19 ± 0.74 μg/mL). In comparison, pharmaceutical active ingredients such as acarbose exhibited anti-amylase and anti-glucosidase activities with IC50 values of 93.07 ± 1.49 μg/mL and 77.25 ± 1.20 μg/mL respectively. These results suggest that the correct selection of harvest period can significantly increase anthocyanin quantity because of the pharmaceutic properties of TAMC. Consequently, TAMC may be interesting for incorporation in pharmaceutical preparations for human health, since it can suppress hyperglycaemia that can be also used as food additives due to its antiradical activity. Shaheed Beheshti University of Medical Sciences 2016 /pmc/articles/PMC4986123/ /pubmed/27610171 Text en © 2016 by School of Pharmacy, Shaheed Beheshti University of Medical Sciences and Health Services This is an Open Access article distributed under the terms of the Creative Commons Attribution License, (http://creativecommons.org/licenses/by/3.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
repository_type Open Access Journal
institution_category Foreign Institution
institution US National Center for Biotechnology Information
building NCBI PubMed
collection Online Access
language English
format Online
author Güdr, Aytaç
spellingShingle Güdr, Aytaç
Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
author_facet Güdr, Aytaç
author_sort Güdr, Aytaç
title Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
title_short Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
title_full Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
title_fullStr Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
title_full_unstemmed Influence of Total Anthocyanins from Bitter Melon (Momordica charantia Linn.) as Antidiabetic and Radical Scavenging Agents
title_sort influence of total anthocyanins from bitter melon (momordica charantia linn.) as antidiabetic and radical scavenging agents
description The majority of the antioxidant and antidiabetic activities of fruits are anthocyanins; a group of polyphenolics that are responsible for the color of many fruits, vegetables and flowers. The harvesting time, storage conditions, maturity, extraction steps etc. are very important for the biological activities based on the alteration of chemical composition. The free radical scavenging and antidiabetic activities of total anthocyanins from bitter melon (Momordica charantia Linn) fruit (TAMC) were evaluated by considering four harvesting times. The free radical scavenging activities of the TAMC samples were assessed using DPPH•, DMPD•+ and ABTS•+ assays against BHA, rutin and trolox standards. September as a harvesting period (TAMC-S) had effective DPPH• (SC50 2.55 ± 0.08 μg/mL), DMPD•+ (SC50 2.68 ± 0.09 μg/mL) and ABTS•+ (SC50 8.19 ± 0.09 μg/mL) scavenging activities compared with other samples and standards. In addition, August (TAMC-A) as a harvesting period showed very influential inhibitory activity against α-amylase (IC50 56.86 ± 1.12 μg/mL) and moderate inhibitory activity against α-glucosidase (IC50 88.19 ± 0.74 μg/mL). In comparison, pharmaceutical active ingredients such as acarbose exhibited anti-amylase and anti-glucosidase activities with IC50 values of 93.07 ± 1.49 μg/mL and 77.25 ± 1.20 μg/mL respectively. These results suggest that the correct selection of harvest period can significantly increase anthocyanin quantity because of the pharmaceutic properties of TAMC. Consequently, TAMC may be interesting for incorporation in pharmaceutical preparations for human health, since it can suppress hyperglycaemia that can be also used as food additives due to its antiradical activity.
publisher Shaheed Beheshti University of Medical Sciences
publishDate 2016
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4986123/
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