茶褐素

研究了从普洱茶中提取茶褐素的工艺，并对所得茶褐素进行了红外光谱和主要理化性质分析。

Extraction technology of theabrownine from Pu-erh tea was studied , and the primary composition and IR spectrum profile of theabrownine were analyzed .

绿茶中含量较多的维生素C氧化产生的茶褐素，会使茶汤变得黄褐不清。

Green tea vitamin C content of more TB produced Su-oxidation , the tea will become clear Malacosoma .

茶褐素的含量在接种黑曲霉的两组茶样中均表现出很明显的优势。

Brown , content in tea inoculation of aspergillus two groups of tea samples of all represent a significant advantage .

依次通过有机溶剂萃取，乙醇沉淀以及甲醇分级可以对茶褐素进行有效地分离以及纯化。

TBs can be isolated and purified effectively with organic solvent extraction , ethanol precipitation and methanol fractionation one by one .

研究了普洱茶特征成分茶褐素、茶多糖与蛋白质等的复合体对昆明种小白鼠的抗疲劳、降胆固醇以及毒理学效应。

The anti-fatigue , reduced cholesterol function , acute toxicity and the mutagenicity of extraction of characteristic components in Yunnan pu-erh tea were studied using mouse as experimental animals .