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-素，而β-素是许多水果和蔬菜所含的一种养物质。

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

这主要是因为β-素与难以消化的纤维基质结合在一起。

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素 A 是β-素，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素、维生素 C 和多酚，研究人员认为这可能有助于降低血压。

You see, similar to our earlier discussion with beta carotene and vitamin A, “folic acid” is not folate.

你看，和我们之前讨论的β-素和维生素A的情况类似，“叶酸”（folic acid）并不是叶酸（folate）。

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.

中还有其它类素，如果和油一同食用 β-素的吸收率可提高七倍。

A lot of foods contain antioxidants like vitamin E, and C, and beta carotene, which help protect our body from free radicals by neutralizing them.

许多食物都含有抗氧化剂，如维生素 E、C 和 β 素，它们通过中和自由基来帮助保护我们的身体免受自由基的侵害。

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.

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

Green melon has high water content, contains trace amounts of vitamin C, carotene, etc., with hydration, whitening, reducing blood sugar and other effects.

青瓜含水量较高，含有微量维生素C、素等，具有补水、美白、降血糖等功效。

It would be better to get your vitamin A from fish roe or cod liver oil, good quality egg yolks, liver, rather than beta carotene.

获取维生素 A 的更好来源是鱼卵、鱼肝油，优质蛋黄以及肝脏之类的食物 而不是β-素。

It is called " golden rice" because the rice is yellow. It has been genetically changed, or modified, to produce beta carotene, a form of Vitamin A.

这种稻米因为颜是黄被称为“金稻米”。这种稻米经过基因改造来生成素，维生素A的一种。

Sweet potatoes and spinach are rich in beta carotene, another carotenoid that helps decrease redness in skin when it is exposed to UV light.

红薯和菠菜富含 β 素，这是另一种类素， 有助于减少暴露在紫外线下的皮肤发红。

There are a variety of health risks from taking beta carotene and vitamin E. High doses of one nutrient can interfere with the absorption of others.

服用 β 素和维生素 E 会带来多种健康风险。高剂量的一种养素会干扰其他养素的吸收。

She said in Italy, mozzarella is sometimes made with milk from water buffalo. The milk is whiter because the animal cannot digest beta carotene, an orange nutrient in many fruits and vegetables.

她说，在意大利，马苏里拉奶酪有时是用水牛的牛奶制作的。这种牛奶更白是因为水牛不能消化吸收β-素（水牛会将全部的β-素在肠道分解代谢，很少有β-素被贮存于机体的其他部位），β-素是许多水果和蔬菜中的一种养物质。

However, there is enough evidence to recommend against the use of beta carotene supplements to prevent cardiovascular disease or cancer " because of a possible increased risk of mortality, cardiovascular mortality, and lung cancer, " the task force said.

然而，该工作组也表示，他们已有足够证据，不建议人们服用β-素补充剂来预防心血管疾病或癌症，“因为可能会增加死亡风险，以及心血管疾病死亡率，和罹患肺癌的风险。”