Objective Hepatocellular carcinoma(HCC)is the primary malignant tumor in the liver.Liver cancer is the third common caus......

茶褐素是能溶于水而不溶于氯仿、乙酸乙酯、正丁醇和乙醇的一类褐色色素,由茶黄素和茶红素进一步氧化聚合而成,具有较强的降血脂、......

以“紫娟”普洱茶为原料，分离制备茶褐素，采用膜技术对茶褐素分级，得到含量较多的3500Da透出部分和100000Da未透出部分，并对两部分进行......

Pu-erh tea is one of post fermented tea manufactured through oxidative maturing by microorganisms. We investigated the p......