藥毒所99年報

64 表 13. 莧科植物以 5 種溶劑萃取分離之粗抽物對褔壽螺毒殺活性分析 萃取溶劑 萃取物濃度 (ppm) 死亡螺數 * (%) Hexane 25 0 (0%) 50 0 (0%) 100 1 (5%) 200 1 (5%) Toluene 25 0 (0%) 50 0 (0%) 100 0 (0%) 200 4 (22%) Ethyl acetate 25 0 (0%) 50 1 (5%) 100 1 (5%) 200 0 (0%) Butanol 25 1 (5%) 50 11 (61%) 100 17 (94%) 200 18 (100%) Methanol 25 0 (0%) 50 0 (0%) 100 0 (0%) 200 6 (33%) H 2 O - 0 (0%) * 測試螺數： 18 隻