儿茶酚

Near infrared spectroscopic model for determinating total catechin in tea polyphenol powder based on radical basis function network.

基于径向基函数网络的茶多酚总儿茶素近红外光谱检测模型的研究。

Near infrared spectroscopic model for determinating total catechins in tea polyphenol powder based on radical basis function network.

基于径向基函数网络的茶多酚总儿茶素近红外光谱检测模型的研究。

Tea-Polyphenols, catechins, amino acid and theine are the elements of tea quality that are widely accepted in the world.

茶叶是中国重要的经济作物，茶多酚、儿茶素、氨基酸、咖啡碱和水浸出物为国际上公认的茶叶品质成份。

Aim To study the influences of salt out with different salts and operating temperature on the content of esterified catechins.

目的 研究不同种类盐类盐析和不同温度水平对茶多酚粗品中酯型儿茶素含量的影响。

Methods Thin layer chromatography and salt out are adopted to determine the content of esterified catechins.

采用盐析的方法对茶多酚粗品液进行处理，薄层色谱扫描仪进行酯型儿茶素含量的测定。

These elucidated that the catechins products from steaming leaf, had many advantages in yield, purify and activity than those of tea polyphones from green tea.

从&蒸青叶&中分离制备儿茶素类的产率、纯度与活性均优於从成品绿茶中制备的茶多酚。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。