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Lactose is a disaccharide found in animal milk. It consists of a molecule of D-galactose and a molecule of D-glucose bonded by beta-1-4 glycosidic linkage.. A carbohydrate (/ ˌ k ɑːr b oʊ ˈ h aɪ d r eɪ t /) is an biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1 (as in water) and thus with the empirical formula C ...
Where plants fall within these categories can vary, with botanically described fruits such as the tomato, squash, pepper and eggplant or seeds like peas commonly considered vegetables. [37] Food is a fruit if the part eaten is derived from the reproductive tissue , so seeds, nuts and grains are technically fruit.
Vegetables, the second largest food group in many nutrition guides, come in a wide variety of shapes, colors and sizes. Food groups categorise foods for educational purposes, usually grouping together foods with similar nutritional properties or biological classifications. Food groups are often used in nutrition guides, although the number of ...
Vegetables can be eaten either raw or cooked and play an important role in human nutrition, being mostly low in fat and carbohydrates, but high in vitamins, minerals and dietary fiber. Many nutritionists encourage people to consume plenty of fruit and vegetables, five or more portions a day often being recommended.
Tomatoes. To-may-to, to-mah-to, fruit, vegetable. There are lots of ambiguities surrounding the juicy, red food! To set the record straight, tomatoes are technically fruit (although their ...
Polysaccharides, which include starch and glycogen, are often referred to as 'complex' carbohydrates because they are typically long multiple-branched chains of sugar units. Traditionally, simple carbohydrates were believed to be absorbed quickly, and therefore raise blood-glucose levels more rapidly than complex carbohydrates. This is inaccurate.
A vegetable is not considered a grain, fruit, nut, spice, or herb. For example, the stem , root , flower , etc., may be eaten as vegetables. Vegetables contain many vitamins and minerals ; however, different vegetables contain different balances of micronutrients, so it is important to eat a wide variety of types.
Compound sugars, also called disaccharides or double sugars, are molecules made of two bonded monosaccharides; common examples are sucrose (glucose + fructose), lactose (glucose + galactose), and maltose (two molecules of glucose). White sugar is a refined form of sucrose. In the body, compound sugars are hydrolysed into simple sugars.