kaempferide

kaempferide was extracted and separated from pine needle.

摘要对贵松松针中的山奈进行了提取和分离；

The results showed that pine needle contains kaempferide, and its percent is 0.22% before hydrolyze, 0.42% after hydrolyze.

结果表明，松针中含有山奈，且水解前的含量为0.22%，水解后的含量为0.42%。