Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells

In this study, we investigated the cytoprotective effects of acid-treated sesame leaf extracts against oxidative damage in HepG2 cells. Treatment with 0.1 M HCl of sesame leaves significantly increased their verbascoside content (4.398 g/100 g) compared to non-acid-treated leaves (3.950 g/100 g). Ac...

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Main Authors: Heeyoon Shin, Yoonjeong Kim, Younghwa Kim
Format: Article
Language:English
Published: MDPI AG 2023-11-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/13/23/12833
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author Heeyoon Shin
Yoonjeong Kim
Younghwa Kim
author_facet Heeyoon Shin
Yoonjeong Kim
Younghwa Kim
author_sort Heeyoon Shin
collection DOAJ
description In this study, we investigated the cytoprotective effects of acid-treated sesame leaf extracts against oxidative damage in HepG2 cells. Treatment with 0.1 M HCl of sesame leaves significantly increased their verbascoside content (4.398 g/100 g) compared to non-acid-treated leaves (3.950 g/100 g). Acid-treated sesame leaf extract (ASLE) showed no cytotoxicity in HepG2 cells. ASLE conferred a greater cytoprotective effect against oxidative insult than a methanol extract of sesame leaves (SLE), verbascoside, and a vehicle control group. ASLE treatment also significantly inhibited reactive oxygen species generation in response to oxidative stress. Treatment with <i>tert</i>-butyl hydroperoxide increased malondialdehyde (MDA) levels, and depleted reduced glutathione (GSH). However, ASLE treatment significantly ameliorates this MDA and GSH depletion. Moreover, ASLE increased the activities of antioxidant enzymes including catalase, glutathione reductase, and glutathione peroxidase. Phenolic compounds in ASLE and SLE were characterized using UPLC-Q-TOF/MS analysis. A total of 29 iridoid and phenol compounds were tentatively identified in ASLE, and 27 compounds were observed in SLE. These results suggest that acid treatment of sesame leaves enhances the protective effects of their extract against oxidative stress by modulating antioxidant enzymes in HepG2 cells.
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spelling doaj.art-2ebab8af7da04a1d964b8d867977a91e2023-12-08T15:11:52ZengMDPI AGApplied Sciences2076-34172023-11-0113231283310.3390/app132312833Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 CellsHeeyoon Shin0Yoonjeong Kim1Younghwa Kim2Department of Food Science and Biotechnology, Kyungsung University, Busan 48434, Republic of KoreaDepartment of Food Science and Biotechnology, Kyungsung University, Busan 48434, Republic of KoreaDepartment of Food Science and Biotechnology, Kyungsung University, Busan 48434, Republic of KoreaIn this study, we investigated the cytoprotective effects of acid-treated sesame leaf extracts against oxidative damage in HepG2 cells. Treatment with 0.1 M HCl of sesame leaves significantly increased their verbascoside content (4.398 g/100 g) compared to non-acid-treated leaves (3.950 g/100 g). Acid-treated sesame leaf extract (ASLE) showed no cytotoxicity in HepG2 cells. ASLE conferred a greater cytoprotective effect against oxidative insult than a methanol extract of sesame leaves (SLE), verbascoside, and a vehicle control group. ASLE treatment also significantly inhibited reactive oxygen species generation in response to oxidative stress. Treatment with <i>tert</i>-butyl hydroperoxide increased malondialdehyde (MDA) levels, and depleted reduced glutathione (GSH). However, ASLE treatment significantly ameliorates this MDA and GSH depletion. Moreover, ASLE increased the activities of antioxidant enzymes including catalase, glutathione reductase, and glutathione peroxidase. Phenolic compounds in ASLE and SLE were characterized using UPLC-Q-TOF/MS analysis. A total of 29 iridoid and phenol compounds were tentatively identified in ASLE, and 27 compounds were observed in SLE. These results suggest that acid treatment of sesame leaves enhances the protective effects of their extract against oxidative stress by modulating antioxidant enzymes in HepG2 cells.https://www.mdpi.com/2076-3417/13/23/12833sesame leavesverbascosideacid hydrolysisHepG2 cellsoxidative stress
spellingShingle Heeyoon Shin
Yoonjeong Kim
Younghwa Kim
Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
Applied Sciences
sesame leaves
verbascoside
acid hydrolysis
HepG2 cells
oxidative stress
title Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
title_full Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
title_fullStr Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
title_full_unstemmed Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
title_short Cytoprotective Effect of Acid-Hydrolyzed Sesame Leaves against Oxidative Stress in HepG2 Cells
title_sort cytoprotective effect of acid hydrolyzed sesame leaves against oxidative stress in hepg2 cells
topic sesame leaves
verbascoside
acid hydrolysis
HepG2 cells
oxidative stress
url https://www.mdpi.com/2076-3417/13/23/12833
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AT yoonjeongkim cytoprotectiveeffectofacidhydrolyzedsesameleavesagainstoxidativestressinhepg2cells
AT younghwakim cytoprotectiveeffectofacidhydrolyzedsesameleavesagainstoxidativestressinhepg2cells