• To obtain chemical constituents from the fruit of Catalpa ovata G. Don, the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

    采用提取法、提取法石油提取梓树果实化学成分进行了比较全面的定性实验。

    youdao

  • To obtain chemical constituents from the fruit of Catalpa ovata G. Don, the methods of water extraction, ethanol extraction and petroleum ether extraction were used.

    采用提取法、提取法石油提取梓树果实化学成分进行了比较全面的定性实验。

    youdao

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