• Title/Summary/Keyword: fruits of Rubus coreanum Miquel

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Isolation and Identification of Quercetin with Antioxidative Activity from the Fruits of Rubus coreanum Miquel (복분자 열매에서 항산화활성을 지닌 quercetin의 분리 및 동정)

  • Yoon, In;Wee, Ji-Hyang;Moon, Jae-Hak;Ahn, Tae-Hoe;Park, Keun-Hyung
    • Korean Journal of Food Science and Technology
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    • v.35 no.3
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    • pp.499-502
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    • 2003

  • The methanol (MeOH) extracts from the fruits of Rubus coreanum showed antioxidative activity. The antioxidative substance in MeOH extracts was successively purified with solvent fractionation, adsorption chromatography, and gel filtration. The purified active substance was isolated by HPLC and identified as quercetin by EI-MS, and $^1H-NMR$ analyses. The amount of quercetin was 0.25 mg per 100 g in fresh fruits of Rubus coreanum Miquel.

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