Chapter 3: Food Composition
- Page ID
- 72668
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- 3.1: What Are Nutrients?
- Foods contain nutrients that are essential for our bodies to function. Four of the classes of nutrients required for bodily function are needed in large amounts. They are carbohydrates, lipids, proteins, and water, and are referred to as macronutrients. Two of the classes of nutrients are needed in lesser amounts, but are still essential for bodily function. They are vitamins and minerals. One measurement of food quality is the ratio of essential nutrients to the amount of energy in a food.
Thumbnail: Burning marshmellow. (Unsplash License; Leon Contreras via Unsplash)