An Experimental Study on the Analgesic Effects of Japanese Pollia

Objective To investigate the analgesic effects of water extraction of Japanese Pollia. Methods The analgesic effect was observed on mice undergoing writhing test and hot-plate test and being given different doses( 0. 4 and 0. 8 ml /10 g) of the water extraction of Japanese Pollia via the gastric perfusion. Results It's showed that the mice's licking latency was significantly prolonged( P 0. 01),the maximum of analgesic ratio was 66. 42 % in hot-plate test; mice's writhing latency was remarkably prolonged( P 0. 05),writhing responses decreased markedly( P 0. 01),the maximum of inhibitory ratio was 39. 84%. Conclusion Japanese Pollia has an obvious analgesic effect.