ConclusionHETTE and the four fractions all have antitumor effects, F004 is the most active fraction.
结论HETTE及各化学部位有抗肿瘤活性，F004作用最强，为小连翘主要活性部位。
OBJECTIVE: To study the phytochemistry of Pteris semipinnata L. (PSL), and antitumor action of its active constituents and active fraction.
目的：半边旗的植化研究及其有效部位和有效成分的杭种瘤活性研究。
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