beta carotene
常见例句
- Taking beta carotene may have risks for some people such as raising lung cancer risk in smokers, Grodstein said.
Grodstein说某些人群摄入β-胡萝卜素可能引起风险，如提高了吸烟者得肺癌的风险。 - Those in a group of 4,052 men were randomly assigned in 1982 to take either 50 milligrams of beta carotene or a placebo every other day.
一组由4052人组成的研究对象，被随机分在1982年就开始每隔一天服用50毫克的β-胡萝卜素或安慰剂。 - Beta carotene found in carrots and sweet potatoes, for example, has been shown to help protect against lung cancer, but may be harmful when taken in pill form.
例如，胡萝卜和红薯中的β-胡萝卜素，已经显示可以帮助预防肺癌，但是如果以药丸的形式吃下去就对身体有害了。 - The rice contains beta-carotene and other carotenoids.
- They stayed alive on sweet potatoes, a rich source of calories, vitamin A and beta carotene.
FORBES: Millions Served - One proven risk reducer is a blend of high doses of vitamins C and E, beta carotene and zinc.
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