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?????????Y?? W??n Qi??n

?????????Root of Slenderflower Stephania

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????????????????Stephania delavayi Diels ??S.graciliflora Yamamoto??

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???????????? ??????????С????????1-2m??????????????1.5-2.5cm???????????????????????????????????3-5cm??????????????????λ??????????Σ???3-5cm????3-5cm?????????????С??????????????????????????????????????????????????9-10???????????????????????????????????С???????????????????????ɡ?ξ?ɡ???????????????С????????????????1-3.5cm??ɡ?? 3-7??????3-12mm?????????????????0.5mm??????????6??-8??????????????2????????Ш?λ????????Ш?Σ???1-1.2mm????0.5-0.8mm???????????3??-4????????????????????λ???Ш?Σ????0.5mm??????????????????0.77mm?????????????????3??-4????????3??-4??????????С????????????????????????3???????????Σ?????????????????4-5mm????????2??С??????????????5-8??????????????

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?????????????????????delavaine????16-??????????16-oxodelavaine?????????????cycleanine?????????????cepharanthine???????????????homoaromoline?????

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1.??????????????????????????????????????????????С???????????б?????????????????????????????????????????????????????????????????????????乷????????????????????????????????????????ж?????????????????????????á????????к?????????????????????г????????????????????????????

2.?????????????????С???????LD50?260mg/kg???ж??????????????????β????????????????????????????????1?ι?θ??????????200mg/kg?????????300mg/kg???????????????μ???1?ξ????????????????10mg/kg?????????20-25mg/kg????1?ο?????????10mg/kg??????????????????????100mg/?????δ???????????????????3d?????????600-700mg?????????ж??????????ü???????????????????Σ???