نتایج جستجو برای: flavonol glycosides

تعداد نتایج: 10105  

Journal: :Molecules 2013
Mario J Simirgiotis Guillermo Schmeda-Hirschmann Jorge Bórquez Edward J Kennelly

The banana passion fruit (Passiflora tripartita Breiter, Passifloraceae) known as "tumbo" is very appreciated in tropical and subtropical countries of South America. Methanolic extracts from peel and the fruit juice of P. tripartita growing in Chile were analyzed for antioxidant capacity as well as for flavonoid and phenolic content. A chromatographic method was developed for the rapid identifi...

Journal: :Journal of the American Society for Mass Spectrometry 2008
Zhaofu Wang Meng Cui Fengrui Song Lin Lu Zhiqiang Liu Shuying Liu

In this study, electrospray ionization mass spectrometry (ESI-MS) was used to investigate the binding interactions of ten flavonoid aglycones and ten flavonoid glycosides with DNA duplexes. Relative binding affinities of the flavonoids toward DNA duplexes were estimated based on the fraction of bound DNA. The results revealed that the 4'-OH group of flavonoid aglycones was essential for their D...

2017
Jiying Qiu Xiangyan Chen A I Netrusov Qingxin Zhou Danyang Guo Xiaoyong Liu Hailun He Xue Xin Yifen Wang Leilei Chen

The Ginkgo biloba is one of ancient trees that exists from billions of years ago, its leaf and nut are used as herbs and foods in China, while so far its pollen does not have any application except pollination. In order to evaluate the antioxidant activity of Ginkgo biloba pollen, and rapidly screen its antioxidative components, the 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging ability, total...

2015
Kousuke Sagawa Ryota Tsuchihashi Kiyoshi Yoshida Daisuke Nakano Masafumi Okawa Toshihiro Nohara

Kudzu (Pueraria lobata) is widely considered a weed in the USA. However, the roots and flowers of kudzu are commercially available as crude Oriental medicines. Since the leaves of kudzu contain similar phytochemicals, kudzu leaves seem to be a promising health food or herbal supplement. Therefore, we investigated the variation in amounts of phytochemicals in kudzu leaves during growth using a h...

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