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ANTIOXIDANT AND TYROSINASE INHIBITORY PROPERTIES OF AQUEOUS ETHANOL EXTRACTS FROM MONOFLORAL BEE POLLEN

文献类型： 外文期刊

作者： Zhang, Hongcheng 1 ; Wang, Xue 1 ; Wang, Kai 1 ; Li, Chunyang 2 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Apicultural Res, Xiangshan 100093, Beijng, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Prod Proc, Nanjing 210014, Jiangsu, Peoples R China

关键词： antioxidant activities;aqueous ethanol extracts;bee pollen;tyrosinase inhibitory activities

期刊名称：JOURNAL OF APICULTURAL SCIENCE （ 影响因子：0.788； 五年影响因子：1.2 ）

ISSN： 1643-4439

年卷期： 2015 年 59 卷 1 期

页码：

收录情况： SCI

摘要： Bee pollen has been used for many years in traditional medicine and supplementary nutrients. Bee pollen is mainly composed of nutrients and bioactive substances which might act as potential antioxidants and tyrosinase inhibitors. In this study, 14 species of monofloral bee pollen from China were collected to analyse their antioxidant and tyrosinase inhibitory properties. Our results revealed that virtually all the bee pollen samples possessed powerful antioxidant or tyrosinase inhibitory activities. These properties varied greatly depending on the floral species and extraction solvents. To extract phenolics of various species of bee pollen, the most effective solvent may be a solvent which is a 75 wt. % ethanol/water. Extracts of wuweizi, rape, phellodendron, apricot, and dandelion pollen had stronger antioxidant activities; on the other hand, those of apricot, camellia, and sunflower presented excellent tyrosinase inhibitory activities. In addition, we may have found a novel discovery: that apricot pollen exhibits both powerful antioxidant and strong tyrosinase inhibitory activities.

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