One new dammarane-type triterpene saponin,named(20S)-3β,20,21-trihydroxydammar-24-ene 3-O-[α-L-rhamnopyranosyl- (1→2)][β-D-xylopyranosyl(1→3)]-β-D-glucopyranoside(1),was isolated from the aerial parts of Gynoste...One new dammarane-type triterpene saponin,named(20S)-3β,20,21-trihydroxydammar-24-ene 3-O-[α-L-rhamnopyranosyl- (1→2)][β-D-xylopyranosyl(1→3)]-β-D-glucopyranoside(1),was isolated from the aerial parts of Gynostemma pentaphyllum (Thunb.) Makino.Its structural elucidation was accomplished mainly on the basis of the interrelation of spectroscopic methods, such as IR,HR-TOF-MS,NMR.展开更多
Two new cornpounds,saponin I and saponin II,were isolated from Gynostemma longipes f.Y.Wu. The struetures have been characterized on the basis of cbenical and speetroseopie evidence. ^-~.
目的研究不同剂量的绞股蓝皂苷(Five leaf Gynostemma Herb Saponin,FGHS)对实验性高脂血症大鼠脂代谢的影响。方法通过改良脂肪乳剂的配方制备SD大鼠高脂血症模型,应用绞股蓝皂苷20mg/kg、36mg/kg、65mg/kg、117mg/kg和210mg/kg五个不...目的研究不同剂量的绞股蓝皂苷(Five leaf Gynostemma Herb Saponin,FGHS)对实验性高脂血症大鼠脂代谢的影响。方法通过改良脂肪乳剂的配方制备SD大鼠高脂血症模型,应用绞股蓝皂苷20mg/kg、36mg/kg、65mg/kg、117mg/kg和210mg/kg五个不同剂量组,观察大鼠血脂代谢的变化。结果绞股蓝皂苷可明显抑制高脂血症大鼠血清总胆固醇(TC)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)的水平以及显著抑制肝体重比,同时绞股蓝皂苷210mg/kg剂量组将谷丙转氨酶(ALT)含量从125.50U/L±25.81U/L降至89.25U/L±28.41U/L,并提高血清超氧化物歧化酶(SOD)的活性和下调丙二醛(MDA)的含量(P<0.05)。结论绞股蓝皂苷可以降低实验性高脂血症大鼠血脂,纠正肝脏损伤,抑制脂质过氧化,纠正实验性高脂血症引起的脂质代谢紊乱。展开更多
基金supported by E&T modern center for Natural products of Liaoning Province of China (No.2006-19-10)
文摘One new dammarane-type triterpene saponin,named(20S)-3β,20,21-trihydroxydammar-24-ene 3-O-[α-L-rhamnopyranosyl- (1→2)][β-D-xylopyranosyl(1→3)]-β-D-glucopyranoside(1),was isolated from the aerial parts of Gynostemma pentaphyllum (Thunb.) Makino.Its structural elucidation was accomplished mainly on the basis of the interrelation of spectroscopic methods, such as IR,HR-TOF-MS,NMR.
文摘Two new cornpounds,saponin I and saponin II,were isolated from Gynostemma longipes f.Y.Wu. The struetures have been characterized on the basis of cbenical and speetroseopie evidence. ^-~.
文摘目的研究不同剂量的绞股蓝皂苷(Five leaf Gynostemma Herb Saponin,FGHS)对实验性高脂血症大鼠脂代谢的影响。方法通过改良脂肪乳剂的配方制备SD大鼠高脂血症模型,应用绞股蓝皂苷20mg/kg、36mg/kg、65mg/kg、117mg/kg和210mg/kg五个不同剂量组,观察大鼠血脂代谢的变化。结果绞股蓝皂苷可明显抑制高脂血症大鼠血清总胆固醇(TC)、三酰甘油(TG)、低密度脂蛋白胆固醇(LDL-C)的水平以及显著抑制肝体重比,同时绞股蓝皂苷210mg/kg剂量组将谷丙转氨酶(ALT)含量从125.50U/L±25.81U/L降至89.25U/L±28.41U/L,并提高血清超氧化物歧化酶(SOD)的活性和下调丙二醛(MDA)的含量(P<0.05)。结论绞股蓝皂苷可以降低实验性高脂血症大鼠血脂,纠正肝脏损伤,抑制脂质过氧化,纠正实验性高脂血症引起的脂质代谢紊乱。