胡萝卜的胡萝卜素

The carotene of carrots

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
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.
2
橙色和黄色的食物身上的颜色，如胡萝卜，红薯和黄色辣椒都来自于类胡萝卜素，一种能增强免疫系统功能的化合物。
Orange and yellow foods such as carrots, sweet potatoes and yellow peppers get their color from carotenoids, compounds that boost the immune system.
3
黄色是胡萝卜素显示出来的。当在叶绿素产物高峰期的春季和夏季，这些叶子内的胡萝卜素被掩盖了。
The yellow is carotene, which is hidden during spring and summer as the leaves are at their peak of chlorophyll production.

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