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牛奶制作。这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其他部位），β-胡萝卜素是许多水果和蔬菜中橙色营养物质。

Grass, when it's lush, and green, and in season, contains beta carotene.

小草正值青葱月之时富含β-胡萝卜素。

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.

生素 A 更好来源是鱼卵、鱼肝油，优质蛋黄以及肝脏之类食物 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.

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

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身体免受自由基侵害。

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

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

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

这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橙色营养物质。

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，如果和油同食用 β-胡萝卜素吸收率可提高七倍。

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纤基质结合在起。

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.

因为胡萝卜所含并不是生素 A，而是叫做β-胡萝卜素类胡萝卜素，它是“生素原”，可以转化成生素物质。

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

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

同时，有产品当中生素 A 是β-胡萝卜素，而另些则是视黄醇棕榈酸酯，等等。

And so, yeah, they've modified golden rice to have beta carotene, which is pro-vitamin A.

他们已经修改了黄金大米，使其含有β胡萝卜素，这是生素A前体。

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，这是另类胡萝卜素， 有助于减少暴露在紫外线下皮肤发红。