alkannin

In contrast with different extraction methods, the alkannin could be extracted quickly and effectively by the ultrasonic wave.

了超声波法和有机溶剂法取天然色素的工艺条件,超声波法可明显色素的取速率。

In order to provide a basis for the research and development of gromwell,the studies on domestic extraction of alkannin was reviewed in briefly.

对国内有关色素取的概况进行了综述,为和开发供依据。