Effects of a prolonged administration of valepotriates in rats on the mothers and their offspring
1994
Tufik, S. | Fujita, K. | Lourdes Ventura Seabra, M. de | Lobo, L.L.
Valeriana officinalis L. (Valerianaceae) is widely known to be associated with sedative properties. The effects of a valepotriates mixture on mothers and progeny were evaluated in rats. A 30-day administration of valepotriates did not change the average length of estral cycle, nor the number of estrous phases during this period. Also, there were no changes on the fertility index. Fetotoxicity and external examination studies did not show differences, although internal examination revealed an increase in number of retarded ossification after the highest doses employed -- 12 and 24 mg/kg. No changes were detected in the development of the offspring after treatment during pregnancy. As for temperature, valepotriates caused a hypothermizant effect after administration by the intraperitoneal route but not after oral administration. Generally, the valepotriates employed induced some alterations after administration by the intraperitoneal route, but doses given orally were inocuous to pregnant rats and their offspring.
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