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  • Title: [Determination of ampelopsin and myricetin in Ampelopsis cantoniensis].
    Author: Chen Z, Wang M, Cai P, Chen X.
    Journal: Zhong Yao Cai; 1997 Jan; 20(1):23-5. PubMed ID: 12572492.
    Abstract:
    Ampelopsis cantoniensis (Hook. et Arn.) Planch. is a Chinese herbal medicine rich in flavonoids. A method to determine flavonoids in the herbal was studied. After the herbal was extracted in hot water, Ampelopsin and myricetin in the extract were separated by polyamide column with eluent of ethanol-water and measured by spectrophotometry. As results, 100 g of the dry herbal contains 25.2 g of ampelopsin (RSD = 1.7%, recovery = 97.0%) and 1.77 g of myricetin (RSD = 3.3%, recovery = 103%).
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