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

她说蛋黄的颜是由鸡吃的胡萝卜引起的。

They have betacarotene, which is an important part of the vitamin A pathway.

它们含有β胡萝卜，这是维生 A 途径的重组成部分。

The milk is whiter because the animal cannot digest beta carotene, an orange nutrient in many fruits and vegetables.

这种牛奶颜更白是因为水牛无法消化吸收β-胡萝卜，而β-胡萝卜是许多水果和蔬菜所含的一种橙营养物质。

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

红和紫调来自花青等辅助，而胡萝卜和叶黄分别产生橙和黄。

This is mostly because the beta carotene is bound up in a hard to digest fiber matrix.

这是因为β-胡萝卜与难以消化的纤维基质结在一起。

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

最后一点是，胡萝卜的吸收效率随着饮食中胡萝卜摄入的升高而降低。

This study found that the bioefficacy of beta-carotene from a mixed diet is only 1: 21.

这项研究发现，混性膳食中的β-胡萝卜的生物效能仅为二十一分之一。

Carotenoids are a natural coloring in plants.

胡萝卜是植物中的天然。

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

β-胡萝卜之的胡萝卜除了能转化为维生 A 以外还有其它功能。

In a series of studies, after 3 days of storage, frozen broccoli had higher levels of Vitamin C and Beta-Carotene.

在一系列研究中，经过3天冷冻储存的西兰花含有更高水平的维生C和胡萝卜。

Then, one might be providing Vitamin A as beta carotene where another provides it as retinyl palmitate and so on.

同时，有的产品当中的维生 A 是β-胡萝卜，而另一些则是视黄醇棕榈酸酯，等等。

The tomato-based cold soup is loaded with carotenes, vitamin C and polyphenols, which researchers think may help lower blood pressure.

以番茄为基础的冷汤富含胡萝卜、维生 C 和多酚，研究人员认为这可能有助于降低血压。

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，实际上从红到紫不等，来自胡萝卜等，它们用来捕捉光能。

But you wouldn't want to rely on the provitamin beta-carotene to meet your Vitamin A requirements.

但是你不能指望β-胡萝卜来满足人体对维生 A 的需求。

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

黄和橙的核果水果中胡萝卜含量很高，如桃子，这些胡萝卜会转变成维他命 A，具有抗氧化作用。

Carotenoids, along with polyphenols like EGCG in green tea, offer natural sun protection.

胡萝卜与绿茶中的 EGCG 等多酚一起提供天然防晒保护。

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

藻会产生称为胡萝卜的化物，帮助它吸收阳光，并使它看起来呈红粉。

Carotenoids and polyphenols accumulate in skin and absorb sunlight of various wavelengths, according to Farris.

Farris 表示， 胡萝卜和多酚会积聚在皮肤中并吸收各种波长的阳光。

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.

胡萝卜中还有其它胡萝卜，如果和油一同食用 β-胡萝卜的吸收率可提高七倍。

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的，但是由于它们食用的甲壳纲动物体内叫做胡萝卜的东西变成了粉。