Roasting pumpkins, carrots and sweet potatoes increases available carotenoids.

烤南瓜、烤萝卜和烤红薯可以增加可用的类萝卜素。

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萝卜素引起的。

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

最后一点是，类萝卜素的率随着饮食中类萝卜素摄入的升高而降低。

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

β-萝卜之类的类萝卜素除了能转化为维生素 A 以外还有其它能。

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萝卜素的东西变成了粉色。

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.

萝卜中还有其它类萝卜素，如果和油一同食用 β-萝卜素的率可提高七倍。

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萝卜素含量很高，如桃子，这些类萝卜素会转变成维他命 A，具有抗氧化作用。

Carotenoids are a natural coloring in plants.

类萝卜素是植物中的天然色素。

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

类萝卜素与绿茶中的 EGCG 等多酚一起提供天然防晒保护。

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

Farris 表， 类萝卜素和多酚会积聚在皮肤中并各种波长的阳光。

Some of these carotenoid compounds that I mentioned earlier.

一些我之前提到的类萝卜素化合物。

Carotenoids are the pigments responsible for yellow, orange, and red tones.

类萝卜素是产生黄色、橙色和红色色调的色素。

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

这种藻类会产生一种叫做类萝卜素的色素化合物，有助于阳光，同时也使其呈现粉红色。

Some of these carotenoids are put into feathers.

一些类萝卜素被放入羽毛中。

Animals can't produce carotenoids themselves and need to get them through their food like berries, fruits, or shrimp.

动物不能自己产生类萝卜素，需要通过食物（如浆果、水果或虾）来获取。

Interesting side fact: Parrots, probably the colorful stereotype don't use carotenoids even though they do consume them.

有趣的附带事实：鹦鹉，可能是五颜六色的刻板印象，即使它们确实食用类萝卜素，也不使用类萝卜素。

So certain carotenoids like lutein and zeaxanthin, Are those in golden rice?

所以像叶黄素和玉米黄素这样的类萝卜素，金色大米中含有这些吗？

While carotenoids are present in most green plants, they only become visible each fall when chlorophyll gets broken down to save energy for the winter.

然而，类萝卜素在大多数绿色植物中都有，它们只有在叶绿素都分解掉之后才能看见从而为度过冬天保存能量。

Spoonbills are ingesting the carotenoid  a red pigment called canthaxanthin, which can be found in shrimp, crustaceans,   and algae.

琵鹭正在摄取类萝卜素，一种叫做角黄素的红色素，存在于虾、甲壳类动物和藻类中。

This is because carrots don't contain Vitamin A but a carotenoid called beta carotene which is a “provitamin” — a substance that can be converted into a vitamin.

因为萝卜所含的并不是维生素 A，而是一种叫做β-萝卜素的类萝卜素，它是一种“维生素原”，一种可以转化成维生素的物质。