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作者等用少量的 A.Griffity(?) Hook f.etThoms,与马兜铃及广防己进行比较,以探讨提高分离马兜铃酸收得率的方法,结果如表所示,用5%NH_4OH 提取的收得率较用甲醇法高2倍。
The authors used a small amount of A. Griffity (?) Hook f.etThoms, compared with the Aristolochia and GF to explore ways to improve the yield of isolated aristolochic acid, the results shown in the table, with 5% NH 4 OH Extract rate of 2 times higher than the methanol method.