One last thing, the absorption efficiency of carotenoids decreases as the amount of dietary carotenoids increases.

最后一点是，类胡萝卜素的吸收效率随着饮食中类胡萝卜素摄入的升高而降低。

She says that yolk color is mainly caused by the carotenoids that chickens eat.

她说蛋黄的颜色主要是由鸡吃的类胡萝卜素引起的。

Red and purple hues stem from secondary pigments called anthocyanins, while carotenoids and xanthophylls yield oranges and yellows, respectively.

红色和紫色色调来自花青素等辅助色素，而类胡萝卜素和叶黄素分别产生橙色和黄色。

Carotenoids like beta-carotene have their own functions other than just conversion to Vitamin A.

β-胡萝卜之类的类胡萝卜素除了能转化为维生素 A 以外还有其它功能。

Their color, which actually ranges from red to purple, comes from pigments like carotenoids, which they use to capture light energy.

它们的颜色，实际上从红色到紫色不等，来自类胡萝卜素等色素，它们用来捕捉光能。

Carotenoids are a natural coloring in plants.

类胡萝卜素是植物中的天然色素。

You might know this thanks to flamingos: They're born gray, but turn pink thanks to pigments called carotenoids in crustaceans they eat.

它们出生的时候是灰色的，但是由于它们食用的甲壳纲动物体内叫做类胡萝卜素的东西变成了粉色。

The algae produces pigment compounds called carotenoids that help it absorb sunlight, and also make it look reddish-pink.

藻类会产生称为类胡萝卜素的色素化合物，帮助它吸收阳光，并使它看起来呈红粉色。

The yellow and orange stone fruits such as peaches are high in the carotenoids we turn into vitamin A and which are antioxidants.

黄色和橙色的核果类水果中类胡萝卜素含量很高，如桃子，这些类胡萝卜素会转变成维他命 A，具有抗氧化作用。

Carrots have other carotenoids, but for beta carotene, you'd actually absorb about 7 times more beta-carotene if you took it suspended in oil.

胡萝卜中还有其它类胡萝卜素，如果和油一同食用 β-胡萝卜素的吸收率可提高七倍。