【摘要】 本文报导了从桉树叶中提取黄酮类物质的工艺。采用单罐提取,产品得率为30％左右;三罐组或五罐组逆流浸提,产品得率可达35％;提取的黄酮类物质能调节蔬菜和果树的生长,对植物的病害和病毒都有一定的防治效果。更多还原

【Abstract】 The processes of extracting flavonoid substances from Eucalyptus leaves are described. 30% and 35% yields can be obtained respectively by using single tank extraction and a counter-current extraction with three or five tanks in series. It was found that the products obtained could stimulate the growth of some vegetables and fruits and protect them from disease and virus to some extent.更多还原