通脱木的化学成分

通脱木的化学成分

1. 通脱木根部含有齐墩果酸-28-β-D-吡喃葡萄糖酯-3-[α-呋喃阿拉伯糖-(1→4)]-β-D-glucopyranosyl oleanate-3-[α-arabinofuranosyl-(1→4)]-[β-D-galactopyranosyl(1→2)]-methyl-（β-D-glucopyra-nosid)uronate}。2. 还包括齐墩果酸-28-α-吡喃鼠李糖-(1→4)-β-D-吡喃葡萄糖-(1→4)-β-D-吡喃葡萄糖酯]-3-α-L-呋喃阿拉伯糖-(1→4)-β-D-吡喃葡萄糖醛酸甲酯[28-α-rhamnopyranosyl-(1→4)-β-D-glucopyranosyl-(1→6)-β-D-glucopyranosyloleanate-3-α-arabinofura-nosyl-(1→4)-methyl-（β-D-glucopyranoside)uronate]。3. 齐墩果酸-28-syl-(1→2)-methyl-（β-D-glucopyranoside)uronate也在其中。4. 齐墩果酸-28-甲酯-3-[α-呋喃阿拉伯糖（1→4)]-[β-D-吡喃半乳糖-(1→2)]-β-D-吡喃葡萄糖醛酸甲酸{28-methyl-(1→2)]-methyl-（β-D-glucopy-ranoside)uronate}。5. 此外还有胡萝卜甙（daucosterol）。6. 齐墩果酸-3-β-D-吡喃半乳糖-(1→2)-β-D-吡喊如判喃岩藻糖甙[oleanolic acid-3-β-D-galac-topyranosyl-(1→2)-β-D-fucopyranoside]。7. 齐墩果酸-3-α-呋喃阿拉伯糖-(1→4)-β-D-fucopyranoside。8. 齐墩果酸-3-α-呋喃阿拉伯郑改糖-(1→4)-β-L-吡喃葡萄糖醛酸甙-oleanolic acid-3-α-arabi-nofuranosyl-(1→4)-β-L-glucuronopyranoside。9. 竹节人参皂甙Ⅳ、lb。10. 还含齐墩果酸-3-β-D-吡喃半乳糖-(1→2)-β-L-吡喃葡萄糖醛酸甙[oleanolic acid-3-β-D-galactopyra-nosyl-(1→2)-β-L-glucuonopyranoside]。11. 齐墩果酸-β-D-吡喃半乳糖-(1→2)-[α-L-呋喃阿拉伯糖（1→4)]-β-D-吡喃半乳糖-(1→2)]-[α-L-呋喃阿拉伯糖（1→4)]-β-L-吡喃葡萄糖醛酸甙{oleanolic acid-3-[β-D-galactopyranosyl-(1→2)]-[α-L-arabinofu-ranosyl(1→4)]-β-D-glucuronopyranoside}[3]。