对几种动物的研究表明，在选择配偶时，雌性更喜欢鲜艳的类胡萝卜素着色的雄性。
Studies of several animal species have shown that when choosing mates, females prefer males with brighter carotenoid-based coloration.
欧文斯和奥尔森假设，如果类胡萝卜素是稀有的或对健康有要求的，则通过着色指示的类胡萝卜素的存在在配偶选择的背景下将是有意义的。
Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.
叶黄素是类胡萝卜素的一种，可作为食品抗氧化剂和着色剂，在食品工业、饲料工业和医药中具有广泛的应用前景。
Lutein, one of the carotenoids, can be used as food colorants and antioxidants. The prospect of its application in food, feedstuff and medicine industry was very extensive.
虾青素是一种氧化胡萝卜素，作为着色剂在水产养殖和家禽养殖行业已经得到广泛的应用。
Astaxanthin, a kind of oxygenated carotene, is widely employed in aquaculture and poultry raising as pigmentation source.
角黄素是类胡萝卜素的一种，可作为食品氧化剂和着色剂，在食品工业和医药中应用前景广。
Canthaxanthin, one of the carotenoids, can be used as food colorants and antioxidants. The prospect of its application in food and medicine industry is very extensive.
角黄素是类胡萝卜素的一种，可作为食品氧化剂和着色剂，在食品工业和医药中应用前景广。
Canthaxanthin, one of the carotenoids, can be used as food colorants and antioxidants. The prospect of its application in food and medicine industry is very extensive.
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