Androgenic activity of the Thai traditional male potency herb, Butea superba Roxb., in female rats
2009
Malaivijitnond, Suchinda | Ketsuwan, A-ngun | Watanabe, Gen | Taya, Kazuyoshi | Cherdshewasart, Wichai
Aim of the study: Butea superba Roxb. (Leguminosae) is a well-known Thai male potency herb with androgenic and anti-estrogenic activities. We evaluated whether oral administration of Butea superba has an androgenic or anti-estrogenic activity in female rats. Materials and methods: Normal and ovariectomized adult female rats were each subdivided into five groups, DW, BS-10, BS-50, BS-250 and TP, and gavaged with 0, 10, 50 and 250mg/kg BW/day of the crude of Butea superba and subcutaneously injected with 6mg/kg BW/day of testosterone propionate (TP), respectively, during the treatment period. Results: In intact rats, only BS-250 increased the uterine thickness and the number of uterine glands, and could induce a prolonged diestrous phase. In ovariectomized rats, treatment with BS-50 as well as BS-250 increased the uterine thickness and the number of uterine glands. However, serum luteinizing hormone (LH) levels were also increased. TP reduced serum follicle stimulating hormone and LH levels with the appearance of anestrous cycle, and could significantly increase the relative uterine weight and thickness and the number of uterine glands in both intact and ovariectomized rats. Conclusions: Orally administered Butea superba tubers have an androgenic effect on the reproductive organs of intact and ovariectomized rats, and exhibit anti-estrogenic activity on LH secretion in ovariectomized rats.
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