龙牙楤木叶

干燥叶中含齐果墩果酸-3-β-D-吡喃葡萄糖(1→3)-α-L-吡喃鼠李糖(1→2)-α-L-吡喃阿拉伯糖-28-O-β-D-吡喃葡萄糖(1→6)-β-D-吡喃葡萄糖甙［oleanolic acid-3-β-D-glucopyra-nosyl(1→3)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl-28-O-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside〕，常春藤皂甙元-3-α-L-吡喃鼠李糖(1→2)-α-L-吡喃阿拉伯糖-28-O-β-D-吡喃鼠李糖(1→4)-β-D-吡喃葡萄糖(1→6)-β-D-吡喃葡萄糖甙(hederagenin-3-α-L-rhamnopyranosyl(1→2)-α-L-arabinopgranosyl-28-O-β-D-rhamnopyranosyl(l→4)-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside］，齐墩果酸-3-O-α-L-吡喃鼠李糖(1→2)-α-L-吡喃阿拉伯糖-28-O-β-D-吡喃葡萄糖(1→6)-β-D-吡喃葡萄糖甙［oleanolic acid-3-O-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyra-nosyl-28-O-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside)，常春藤皂甙元-3-O-β-D-吡喃葡萄糖(1→3)-α-L-吡喃鼠李糖(1→2)-α-L-吡喃阿拉伯糖-28-O-β-D-吡喃鼠李糖(1→4)-β-D-吡喃葡萄糖(1→6)-β-D-吡喃葡萄糖甙(hederagenin-3-O-β-D-glucopyra-nosyl(1→3)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl-28-O-β-D-rhamnopyranosyl(1→4)-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside］，常春藤皂甙-3-O-α-L-吡喃阿拉伯糖(1→2)-α-L-吡喃鼠李糖-28-O-β-D-吡喃葡萄糖(1→6)-β-D-吡喃木糖甙(hederagenin-3-O-α-L-xylopyanoside］，齐墩果酸-3-O-α-L-吡喃阿拉伯糖(1→2)-α-L-吡喃鼠李糖-28-O-β-D-吡喃葡萄糖(1→6)-β-D-吡喃木糖甙(oleanolic acid-3-O-α-L-arabinopyranosyl(1→2)-α-L-rhamnopyranosyl-28-O-β-D-glucopgranosyl(1→6)-β-D-xylopyra-noside］，常春藤皂甙元-3-O-α-L-吡喃阿拉伯糖(1→2)-α-L-吡喃鼠李糖(1→3)-β-D-吡喃葡萄糖-28-O-β-D-吡喃葡萄糖(1→6)-β-D-吡喃葡萄糖甙［hederagenin-3-O-α-L-arabinopyranosyl(1→2)-α-L-rhamnopyranosyl(1→3) glucopyranosyl-28-O-β-D-glucopyranosyl-(1→6)-β-D-glucopyranoside〕，常春藤皂甙元-3-O-α-L-吡喃阿拉伯糖(1→2)-α-L-吡喃阿拉伯糖(1→2)-α-L-吡喃鼠李糖甙［hed-eragenin-3-O-α-L-arabinopyranosyl(1→2)-α-L-rhamnopyranoside〕，5-去羟基槲皮素-3-吡喃鼠李糖甙［5-dehydroxyquercetin-3-rhamnopyranoside］，5-去羟基山柰酚-3-吡喃鼠李糖甙［5-dehy-droxykampferol-3-rhamnopyranoside］，矢车菊素-3-O-β-D-吡喃木糖(1→2)-β-D-吡喃半乳糖甙［cyanidin-3-O-β-D-xylopyranosyl(1→2)-β-D-galactopyranoside)。