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논문 기본 정보

자료유형
학술저널
저자정보
Si Young Park (Korea University) Yoo Kyong Han (Korea University) Le Ba Vinh (Korea University) Ki Yong Lee (Korea University)
저널정보
한국생약학회 Natural Product Sciences Natural Product Sciences Vol.29 No.4
발행연도
2023.12
수록면
242 - 250 (9page)
DOI
10.20307/nps.2023.29.4.242

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초록· 키워드

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This study was conducted to investigate the difference in activity of each part of Acer tegmentosum, for which there are few studies on α-glucosidase inhibitory activity and the compounds contributing to the activity. Among the barks, twigs, and leaves extracts of A. tegumentum, α-glucosidase inhibitory activity of barks extracts was shown the highest inhibition. 6"-O-Galloyl salidroside (1), (-)-epicatechin-3-O-gallate (2), salidroside (3), procyanidin B2 (4) and procyanidin B2-3"-O-gallate (5) were isolated from barks using LC-QTOF MS/MS and molecular networking to identify compounds expected to contribute to high inhibition. The isolated compounds and two in-house compounds, catechin (6) and (+)-epigallocatechin (7) were evaluated for the α- glucosidase inhibitory activity. As a result, compounds 1, 2 and 5 showed high inhibitory activity, and all three compounds commonly contain a galloyl moiety. Additionally, Pearson’s correlation analysis showed that compounds 2 and 5 had a strong correlation with α-glucosidase inhibitory activity, and quantitative analysis on each part revealed that barks had the highest content of the three compounds. These results demonstrate that extracts and compounds with a galloyl moiety from barks of A. tegmentosum might be a potential discovery of new drugs for antidiabetic effects.

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Abstract
Introduction
Experimental
Results and Discussion
References

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