nutrition summary
Below is the article summary. For the full article, see nutrition.
vitamin Summary
Vitamin, any of several organic substances that are necessary in small quantities for normal health and growth in higher forms of animal life. Vitamins are distinct in several ways from other biologically important compounds such as proteins, carbohydrates, and lipids. Although these latter
carbohydrate Summary
Carbohydrate, class of naturally occurring compounds and derivatives formed from them. Carbohydrates are probably the most abundant and widespread organic substances in nature and are essential constituents of all living things. The term carbohydrate means “watered carbon”; the general formula
protein Summary
Protein, highly complex substance that is present in all living organisms. Proteins are of great nutritional value and are directly involved in the chemical processes essential for life. The importance of proteins was recognized by chemists in the early 19th century, including Swedish chemist Jöns
vegetarianism Summary
Vegetarianism, the theory or practice of living solely upon vegetables, fruits, grains, legumes, and nuts—with or without the addition of milk products and eggs—generally for ethical, ascetic, environmental, or nutritional reasons. All forms of flesh (meat, fowl, and seafood) are excluded from all