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从杜仲(Eucommia ulmoides Oliv.)皮的甲醇提取物中分得4种结晶,鉴定为 liriodendrin(1),geniposidic acid(2),松脂醇二葡萄糖甙[(+)-pinoresinol di-O-β-D-glucopyranoside](3)和胡萝卜甙(daucosterol)(4)。
Four crystals were isolated from the methanol extract of Eucommia ulmoides Oliv. and identified as liriodendrin(1), geniposidic acid(2), pinoresinol di-O-β- D-glucopyranoside] (3) and daucosterol (4).