essential nutrients

基本解释

And for that you get just 6 of the 40-plus essential nutrients provided by most supplements.
而且在大多数补充剂（瓶装水）中提供的40多种必需营养素中，你只能获得6种。
The globalization of food marketing and distribution has brought processed foods, rich in fat, sugar, and salt, and low in essential nutrients, into every corner of the world.
全球化的食品营销和分发把高脂、高糖和高盐、但缺乏必要营养素的加工食品带到世界上的每一个角落。
Cities also tend to promote unhealthy lifestyles, like cheap and convenient diets that depend on processed foods rich in fats and sugar, yet low in essential nutrients.
城市也往往促进不健康的生活方式，例如依赖于富含脂肪和糖但缺少必要营养素的加工食品的廉价和方便饮食。

To come up with his index, Drewnowski ranked foods based on their concentrations of nine essential nutrients (protein, fiber, calcium, iron, magnesium, potassium, vitamins A, C, E).
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