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

红色和紫色色调来自花青等辅助色，而类胡和叶黄分别产生橙色和黄色。

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（水牛会将全部的β-胡在肠道分解代谢，很少有β-胡被贮存于机体的其他部位），β-胡是许多水果和蔬菜的一种橙色营养物质。

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

小草正值青葱岁月之时富含β-胡。

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引起的。

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

它们含有β胡，这是维生 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，胡确实富含维生A以及另一种名为贝塔胡的维生。

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 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。

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，类胡在大多数绿色植物都有，它们只有在叶绿都分解掉之后才能看见从而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-胡和视黄醇这两种维生 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，维生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-胡色的选择性繁殖，胡只在16世纪被描绘成橙色。

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 E、C 和 β 胡，它们通过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，而 β-胡反过来又能产生维生 A。

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类胡含量很高，如桃子，这些类胡会转变成维他命 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色的，但是由于它们食用的甲壳纲动物体内叫做类胡的东西变成了粉色。

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、维生 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，经过3天冷冻储存的西兰花含有更高水平的维生C和胡。

Roasting pumpkins, carrots and sweet potatoes increases available carotenoids.

烤南瓜、烤胡和烤红薯可以增加可用的类胡。

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，这是一种吸收高能量的蓝光和绿光，而留下低能量的红、黄光的色。

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、多酚、维生 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。