Roasting pumpkins, carrots and sweet potatoes increases available carotenoids.

烤南瓜、烤胡萝卜和烤红薯可以增加可用的类胡萝卜。

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引起的。

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，类胡萝卜在大多数绿色植物中有，它们只有在叶绿解掉之后才能看见从而为度过冬天保存能量。

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，如果和油一同食用 β-胡萝卜的收率可提高七倍。

Those on short-term organic diets do show higher levels of carotenoids, polyphenols, Vitamin C and E, LDL cholesterol, antioxidant activity, immune system markers, and ever higher semen quality.

那些短期内食用有机食品的人确实体内含有更多的类胡萝卜、多酚、维生 C 和 E、低密度脂蛋白胆固、化活性、免疫系统标记，以及更高的精液质量。

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含量很高，如桃子，这些类胡萝卜会转变成维他命 A，具有化作用。

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的东西变成了粉色。

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除了能转化为维生 A 以外还有其它功能。

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.

因为胡萝卜所含的并不是维生 A，而是一种叫做β-胡萝卜的类胡萝卜，它是一种“维生原”，一种可以转化成维生的物质。

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

最后一点是，类胡萝卜的收效率随着饮食中类胡萝卜摄入的升高而降低。

So, it makes sense that this research from Ohio state found that avocado is a good way to help absorb carotenoids like beta-carotene and convert them to Vitamin A.

因此，俄亥俄州的这项研究发现言之有理，是说，牛油果有助于类胡萝卜（如β-胡萝卜）的收并将其转化为维生 A。

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

类胡萝卜与绿茶中的 EGCG 等多酚一起提供天然防晒保护。

The cardinal's bright red comes from carotenoids, the same pigments that make carrots orange, while the black of its face is from melanin, the pigment that colors our hair and skin.

红衣凤头鸟鲜艳的红色源自类胡萝卜，这种色同样让胡萝卜呈现橙色，而它面部黑色则来自黑色，这种色也赋予我们的头发和皮肤颜色。

For example, And this is something that I think I really broke the news on with Genius Foods was the role of dietary carotenoids.

例如，我认为我在《天才食物》一书中率先报道了膳食类胡萝卜的作用。

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

琵鹭正在摄取类胡萝卜，一种叫做角黄的红色，存在于虾、甲壳类动物和藻类中。

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胡萝卜的色化合物，有助于收阳光，同时也使其呈现粉红色。

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胡萝卜，需要通过食物（如浆果、水果或虾）来获取。

Carotenoids are a natural coloring in plants.

类胡萝卜是植物中的天然色。

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

Farris 表示， 类胡萝卜和多酚会积聚在皮肤中并收各种波长的阳光。

Some of these carotenoid compounds that I mentioned earlier.

一些我之前提到的类胡萝卜化合物。