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JKFN Journal of the Korean Society of Food Science and Nutrition



Online ISSN 2288-5978

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Journal of the Korean Society of Food Science and Nutrition 2020; 49(8): 781-787

Published online August 31, 2020

Copyright © The Korean Society of Food Science and Nutrition.

Antioxidant Activity and Hepatoprotective Effect of Methanol Extracts from Vegetable Sprouts Commonly Consumed in Korea

Jaeeun Yu1, Taekyoung Jeong1, Youngmin Choi2, Sang Hoon Lee2, Hana Lee1, Heon Sang Jeong1, and Junsoo Lee1

1Division of Food and Animal Sciences, Chungbuk National University 2Food and Nutrition Division, Department of Agrofood Resources, National Institute of Agricultural Sciences

Abstract

Vegetable sprouts are commonly recognized as outstanding sources of bioactive compounds, which are associated with reduction in the risk factors for chronic diseases, such as cardiovascular diseases, diabetes, and obesity. The purpose of this work was to evaluate the antioxidant and hepatoprotective activities of methanol extracts from 16 different vegetable sprouts commonly consumed in Korea. Total polyphenol content (TPC) and flavonoid content (TFC) vlaues ranged from 6.6?.2 to 44.0?.5 mg gallic acid equivalent/g dry matter (DM) and from 1.3?.1 to 17.3?.4 mg catechin equivalent/g DM, respectively. Among the samples, red buckwheat sprout showed the highest TPC and TFC. On the other hand, red young radish sprout contained the highest total anthocyanin contents. Hepatoprotective activity against tert-butyl hydroperoxide (t-BHP)-induced oxidative stress in HepG2 cells was the highest in red buckwheat sprout. In addition, methanol extracts of vegetable sprouts significantly reduced the reactive oxygen species level, formation of malondialdehyde, and depletion of glutathione. TPC and TFC were both positively correlated with antioxidant capacity. However, no relationship was found between antioxidant capacity and hepatoprotective effects. Overall, these results may suggest that vegetable sprouts have significant health-promoting effects based on their excellent antioxidant and hepatoprotective activities.

Keywords: vegetable sprout, antioxidant, hepatoprotection, corrrelation

Article

Article

Journal of the Korean Society of Food Science and Nutrition 2020; 49(8): 781-787

Published online August 31, 2020

Copyright © The Korean Society of Food Science and Nutrition.

국내 다소비 새싹채소 메탄올 추출물의 항산화 활성 및 간세포 보호 효과

Antioxidant Activity and Hepatoprotective Effect of Methanol Extracts from Vegetable Sprouts Commonly Consumed in Korea

Jaeeun Yu*1, Taekyoung Jeong*1, Youngmin Choi*2, Sang Hoon Lee*2, Hana Lee*1, Heon Sang Jeong*1, and Junsoo Lee*1

*1Division of Food and Animal Sciences, Chungbuk National University *2Food and Nutrition Division, Department of Agrofood Resources, National Institute of Agricultural Sciences

Abstract

Vegetable sprouts are commonly recognized as outstanding sources of bioactive compounds, which are associated with reduction in the risk factors for chronic diseases, such as cardiovascular diseases, diabetes, and obesity. The purpose of this work was to evaluate the antioxidant and hepatoprotective activities of methanol extracts from 16 different vegetable sprouts commonly consumed in Korea. Total polyphenol content (TPC) and flavonoid content (TFC) vlaues ranged from 6.6?.2 to 44.0?.5 mg gallic acid equivalent/g dry matter (DM) and from 1.3?.1 to 17.3?.4 mg catechin equivalent/g DM, respectively. Among the samples, red buckwheat sprout showed the highest TPC and TFC. On the other hand, red young radish sprout contained the highest total anthocyanin contents. Hepatoprotective activity against tert-butyl hydroperoxide (t-BHP)-induced oxidative stress in HepG2 cells was the highest in red buckwheat sprout. In addition, methanol extracts of vegetable sprouts significantly reduced the reactive oxygen species level, formation of malondialdehyde, and depletion of glutathione. TPC and TFC were both positively correlated with antioxidant capacity. However, no relationship was found between antioxidant capacity and hepatoprotective effects. Overall, these results may suggest that vegetable sprouts have significant health-promoting effects based on their excellent antioxidant and hepatoprotective activities.

Keywords: vegetable sprout, antioxidant, hepatoprotection, corrrelation