给我一些关于类胡萝卜素的英文文献

The renieratene is the fat soluble Vitamin, does not dissolve in the water, if eats uncooked directly, contains the radish element not to absorb not easily; Under the fat condition, in food the renieratene is emulsified together in the small intestine with the bile and the fat digestion product, absorbs by the intestines mucous membrane. If the oil used fries the carrot eats ripe, the cooking fat already may promote the bile secretion, has can dissolve in the carrot the renieratene, thus increases the renieratene greatly the absorption rate and the use factor. Therefore, the carrot ripe eats. the renieratene is the fat soluble material, only then dissolves in the fat, can transform under human body's small intestine mucous membrane function for Vitamin A is absorbed. Therefore, when makes the carrot vegetable, must put the oil, should better fry together with the meats. Do not eat uncooked, eats uncooked is not easy to digest the absorption, 90% carrot disposition not by human b