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素C和胡萝卜素。

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

这主要是因为β-胡萝卜素与难以消化的纤维基质结合在一起。

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

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

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-胡萝卜素，而另一些则是视黄醇棕榈酸酯，等等。

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-胡萝卜素和维生素A的情况类似，“叶酸”（folic acid）并不是叶酸（folate）。

In fact, spitting in a tube has taught me that I don't convert beta-Carotene very well, by about 32% or so.

事实上，经过唾液采集检测发现，我对β-胡萝卜素的转化就不是很好，只有32%左右。

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。

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 胡萝卜素，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。

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-胡萝卜素。

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.

这种稻米因为颜色是黄色被称为“金色稻米”。这种稻米经过基因改造来生成胡萝卜素，维生素A的一种。

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素 A，而是一种叫做β-胡萝卜素的类胡萝卜素，它是一种“维生素原”，一种可以转化成维生素的物质。

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-胡萝卜素（水牛会将全部的β-胡萝卜素在肠道分解代谢，很少有β-胡萝卜素被贮存于机体的其他部位），β-胡萝卜素是许多水果和蔬菜中的一种橙色营养物质。

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 胡萝卜素，这是另一种类胡萝卜素， 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 胡萝卜素和维生素 E 会带来多种健康风险。高剂量的一种营养素会干扰其他营养素的吸收。

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-胡萝卜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。”