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曾报道从日本产姜科植物姜花(Hedychium coronarium)根茎(土羌活)的甲醇提取物中分离出3个达玛烷型二萜内酯姜花内酯(hedychilactones) A(3)、B(4)、C(5),并发现姜花甲醇提取物中的二羟丙茶碱D(6)及其甲基醚对乙酸诱导的小鼠血管透性增强具有抑制作用;成分3、6抑制脂多糖激活小鼠腹膜巨噬细胞产生NO。本次从该植物新鲜
It has been reported that three kinds of heptarolactones (hedychilactones) A(3) and B were isolated from the methanol extract of the ginger (Hedychium coronarium) rhizome (Smilax glabra) of the Japanese ginger plant (Hedychium coronarium). 4), C(5), and it was found that diprophylline D(6) and its methyl ether in the methanol extract of Ginger has an inhibitory effect on acetic acid-induced enhancement of vascular permeability in mice; inhibition of components 3, 6 Lipopolysaccharide activates mouse peritoneal macrophages to produce NO. This time fresh from the plant