What Are Nutrients? Nutrients:the chemicals in foods that are critical to human growth and function. carbohydrates fats and oils proteins vitamins minerals water
What Are Nutrients? Nutrients: the chemicals in foods that are critical to human growth and function. carbohydrates fats and oils proteins vitamins minerals water
l.Carbohydrates(碳水化合物) Functions: Provide energy:Primary source of fuel for the body, especially for the brain. Composition of body tissues Protect liver from detoxification(保肝解毒作用) Carbohydrates are found in grains (wheat,rice). vegetables,fruits,and legumes
1. Carbohydrates（碳水化合物） Functions: Provide energy: Primary source of fuel for the body, especially for the brain. Composition of body tissues Protect liver from detoxification(保肝解毒作用) Carbohydrates are found in grains (wheat, rice), vegetables, fruits, and legumes
2.Proteins (蛋白质) Functions: Cell and tissue growth and repair Composition of enzymes(酶)，hormone(激素)，and antibodys(抗体) Keep plasm colloid osmotic pressure(血浆胶体渗透压) Provide energy Protein sources include meats,dairy products (乳制品)，seeds,nuts,and legumes(豆制品)
2. Proteins （蛋白质） Functions: Cell and tissue growth and repair Composition of enzymes（酶）, hormone（激素）, and antibodys（抗体） Keep plasm colloid osmotic pressure(血浆胶体渗透压） Provide energy Protein sources include meats, dairy products （乳制品）, seeds, nuts, and legumes（豆制品）
3.Fats and Oils(脂肪) Functions Provide and store energy Composition of body tissue Provide essential fatty acid(供给必需脂肪酸) Keep temperature Protect organs Accelerate fat-soluble vitamins absorption(促进脂溶性维生素吸收) Found in butter,margarine（人造黄油)，vegetable oils
3. Fats and Oils（脂肪） Functions Provide and store energy Composition of body tissue Provide essential fatty acid (供给必需脂肪酸) Keep temperature Protect organs Accelerate fat-soluble vitamins absorption (促进脂溶性维生素吸收) Found in butter, margarine（人造黄油）, vegetable oils
4.Vitamins (维生素) Functions assist in regulating body processes. .Fat-soluble vitamins Vitamins A.D.E and K Water-soluble vitamins:Vitamin C,B1 How do we cook Carrot？
4. Vitamins （维生素） Functions assist in regulating body processes. • Fat-soluble vitamins ：Vitamins A, D, E and K • Water-soluble vitamins：Vitamin C ，B1 How do we cook Carrot ?