莪术含挥发油()。A.0.45%~1.00%B.1.0%~2.5%C.1%~2%D.1%以上E.80%左右

作者: tihaiku 人气: - 评论: 0
问题 莪术含挥发油()。
选项

A.0.45%~1.00%
B.1.0%~2.5%
C.1%~2%
D.1%以上
E.80%左右

答案 B
解析 本组题考查要点是“含挥发油类化合物的常用中药”。①肉桂醛占挥发油总量的80%左右。②肉桂皮含挥发油1%~2%。③莪术含挥发油1.0~2.5%。④艾叶含挥发油0.45%~1.00%⑤薄荷含挥发油1%以上。

相关内容:莪术,挥发油,A.0.45%,1.00%B.1.0%,2.5%C.1%,2%D.1%

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