Red and purple hues stem from secondary pigments called anthocyanins, while carotenoids and xanthophylls yield oranges and yellows, respectively.

红和紫调来自花青素等辅助素，类胡萝卜素和叶素分别产生橙和。

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营养质。

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

小草正值青葱岁月之时富含β-胡萝卜素。

She says that yolk color is mainly caused by the carotenoids that chickens eat.

她说蛋的颜主要是由鸡吃的类胡萝卜素引起的。

They have betacarotene, which is an important part of the vitamin A pathway.

它们含有β胡萝卜素，这是维生素 A 途径的重要组成部分。

Well, carrots do contain a lot of vitamin A and another vitamin called betacarotene.

嗯，胡萝卜确实富含维生素A以及另一种名为贝塔胡萝卜素的维生素。

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.

获取维生素 A 的更好来源是鱼卵、鱼肝油，优质蛋以及肝脏之类的 不是β-胡萝卜素。

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，类胡萝卜素在大多数绿植中都有，它们只有在叶绿素都分解掉之后才能看见从为度过冬天保存能量。

Testing the theory that antioxidants could protect against cancer, individuals with a high risk of lung cancer were given high doses of beta-carotene and retinol, two forms of vitamin A.

他们想测试抗氧化剂可以预防癌症这一理论，让高肺癌风险的人摄入高剂量的β-胡萝卜素和视醇这两种维生素 A。

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.

这种稻米因为颜是被称为“金稻米”。这种稻米经过基因改造来生成胡萝卜素，维生素A的一种。

For example, De Smet says carrots first started to be depicted as orange only in the 16th century, thanks to selective breeding for the beta-carotene pigment.

德斯密特表示，例如，由于β-胡萝卜素素的选择性繁殖，胡萝卜只在16世纪被描绘成橙。

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 has a gene from corn and a gene from a bacterium that allow it to produce tons of beta-carotene, which in turn produces Vitamin A.

它有一个来自玉米的基因和一个来自细菌的基因，这些基因使它能够产生大量的 β-胡萝卜素， β-胡萝卜素反过来又能产生维生素 A。

The yellow and orange stone fruits such as peaches are high in the carotenoids we turn into vitamin A and which are antioxidants.

和橙的核果类水果中类胡萝卜素含量很高，如桃子，这些类胡萝卜素会转变成维他命 A，具有抗氧化作用。

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的，但是由于它们用的甲壳纲动体内叫做类胡萝卜素的东西变成了粉。

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胡萝卜素、维生素 C 和多酚，研究人员认为这可能有助于降低血压。

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。

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素。

There are over 1,100 types of carotenoids, pigments which absorb high energy blue and green light, while leaving behind the lower energy red and yellow light.

有超过 1100 种类胡萝卜素，这是一种吸收高能量的蓝光和绿光，留下低能量的红、光的素。

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.

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