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目的研究儿茶儿茶素的抗流感病毒作用。Objective To study the anti-influenza effect of catechu extract.

采用高效液相色谱法测定槟榔花粉中芸苔素内酯的含量。HPLC was used to determine the content of brassinolide in Areca catechu pollen.

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目的观察槟榔提取物杀灭钉螺的效果。Objective To explore the molluscieidal effect of Areca catechu on Oncomelania hupen-sis.

槟榔对小鼠胃肠推进运动有显著加强作用。Areca catechu L. increased markedly the propulsive movement of gastrointestinal tract in mice.

通过正交试验,对槟榔保健饮料的配方进行了研究。The formula of the functional beverage of Areca Catechu was studied through orthogonal design in this paper.

采用紫外分光光度法测定儿茶及儿茶提取物中活性鞣质的含量。UV spectrophotometry was applied to determine the contents of active tannic acid in catechu and its extract.

本文采用聚偏氟乙烯膜提纯天然儿茶色素,结果表明膜分离法具有较好的分离效果。This paper reported that PVDF membrane separation method showed better efficiency on the purification of natural Catechu pigment.

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儿茶棕染料是从一种名为儿茶的木材中提取的,这种树主要生长在印度等地。The brown dyestuffs of Catechu are from a kind of name In order to draw in the timber of Catechu, this kind of tree mainly grows in India and other places.

本文采用聚偏氟乙烯膜提纯天然儿茶色素,结果表明膜分离法具有较好的分离效果。In this paper, PVDF membrane was used as purification of catechu natural pigment. Then results show that the membrane separation method performs excellent separation efficiency.

在茶多酚中各组成份中以黄烷醇类为主,黄烷醇类又以儿茶素类物质为主。In the portion is constituted each in tea much phenol in order to fizzle out alkyl is mellow kind give priority to, yellow alkyl is mellow kind with catechu element kind material is given priority to.