在2004年，他们指出：止咳糖浆中的两种最普通的有效成分(右美沙芬和苯海拉明)，在治疗咳嗽症状中与安慰剂成分有相同的功效。
In 2004, they showed that the two most common active ingredients in cough syrup, dextromethorphan and diphenhydramine, had the same effectiveness in treating cough symptoms as a placebo ingredient.
目的评价复配式粗杂粮的营养成分及其血糖生成指数(GI)，探讨其营养成分与生物功效的关系。
Objective To evaluate the nutrients contents and the glycemic index (gi) of the mixed grains and analyze the relationship between the nutrients contents and biological effect.
介绍了海带的营养成分及功效，对海带果汁饮品进行了研制与开发，给人们提供了一种新的补碘碘源。
The nutrients in and the beneficial effects of kelp are described in the paper. Kelp-fruit-juice drinks are developed with a view of giving a new source for the replenishment of iodine.
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