Objective:To study the effect of Alpinia officinarum Hance(A.officinarum) 80% alcohol extract on the primary dysmenorrhea.Methods:A.officinarum 80% alcohol extract were enriched by macroporous adsorption resins.Female mice of primary dysmenorrhea model were established by oxytocin induction; the effects of A.officinarum 80% alcohol extract on primary dysmenorrhea were observed by body twist method; and the homogenate level of prostaglandin F_(2α)(PGF_(2α)),prostaglandin E_2(PGE_2) and Ca^(2+) in the uterus were observed in oxytocin-induced female mice.Results:The writhing frequency of primary dysmenorrhea mice was significantly decreased after treatment of A.officinarum 80% alcohol extract and the level of PGF_(2α),PGE_2 and Ca^(2+) in mice uterus was significantly decreased(P<0.05,P<0.01) in groups of mice treated with middle and high dosage of A.officinarum 80% alcohol extract compared with that of model group.Conclusions:These findings suggest that A.Officinarum 80% alcohol extract can significantly relieve primary dysmenorrhea.
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