For example , beta carotene is the orange pigment in carrots .

例如β－胡萝卜素就是存在于胡萝卜的橘色色素。

Beta-carotene is the major carotene that is present in these roots .

目前在这些根部中beta-carotene是主要的胡萝卜素。

Vitamins a , e and beta carotene pills may shorten your life

维生素aeβ-胡萝卜素药片可能缩短你的生命.

And smokers should avoid taking extra beta carotene , which has been linked to increased risk of lung cancer .

抽烟者应当避免摄入过量的β胡萝卜素，过量摄入已经被证实与肺癌风险升高有关。

Phytonutrients -- apples are rich in a variety of phytonutrients , including vitamins a and e and beta carotene .

植物营养素苹果含有丰富的包括维生素a和e在内的各种植物营养素及贝它胡萝卜素。