以下为句子列表：
英文: A blend of beta carotene (4.5mg), alpha carotene (1.07mg), lutein (1.12mg) and zeaxanthin (45mcg) which is closer to the mix of carotenoids in fruits and vegetables that act as antioxidants , helping to counter free radical damage.
中文: 融合了乙型胡萝卜素(4.5毫克),甲型胡萝卜素(1.07毫克),叶黄素(1.12毫克)和玉米黄质(45微克)，接近水果和蔬菜所含的各类胡萝卜素，扮演抗氧化物角色,协助对抗自由基的破坏。
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英文: Beta carotene is only one of more than 500members of the carotenoid family.
中文: β-胡萝卜素在500多个成员的类胡萝卜素属中，只是其中一员。
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英文: Beta-carotene is a known antioxidant that helps protect cells from harmful free radicals.
中文: 乙种胡萝卜素是一种抗氧化剂，可减少游离基对细胞的破坏。
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英文: Biotechnologists have developed genetically modified rice that is fortified with beta-carotene -- which the body converts into vitamin A -- and additional iron, and they are working on other kinds of nutritionally improved crops.
中文: 生物技术专家已经培育出了含有β—胡萝卜素(身体可将之转化为维生素A)和更多铁元素的转基因水稻，目前正在研究培育其他一些增进营养成分的农作物。
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英文: Carrots are high in Beta-carotene which the body converts to vitamin A, essential for healthy vision.
中文: 不过生活中吃胡萝卜确实对身体有好处，因为胡萝卜中富含β-胡萝卜素，它能在人体中转换成维生素A，对维持健康非常有益。
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