The importance of the nitrogen N2 lies in that the nitrogen is a main element of protein type substances.

它的 重要性在于它是蛋白质类物质的主要组成成份。

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He added that grapefruit juice may not be the only type of fruit juice that affects drug absorption, as orange and apple juices also contain naringin-like substances that may inhibit OATP1A2.

他认为葡萄柚汁不是唯一影响药物吸收的果汁，因为橙汁和苹果汁中也含有柚皮素样物质，可能抑制OATP1A2。

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Du Kang gene is a type of alcohol dehydrogenase enzyme that can dissolve certain toxic substances in alcohol or decaying food.

“杜康基因”是乙醇脱氢酶的一种，它可以分解酒或腐烂的食品中的有毒物质。

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Even with a healthy BMI, for example, such people may harbor a lot of visceral fat, deep in their abdomen, a type of fat that is particularly dangerous to health, since it secretes hormones and substances that can hamper insulin's ability to break down sugar.

CNN: Obesity paradox: Why being thin with diabetes is dangerous