Food Pyramid
The Food Pyramid is a general guide for people to choose a healthy diet. This is guidance on how to be a healthy and balanced diet, which involves quantity and types of food often becomes difficult and impractical for most people. A balanced meal should contain daily, about 55% carbohydrates, 30% fat and 15% protein and vitamins, minerals and fiber.
Groups food pyramid
Group 1 : base of the pyramid consists of carbohydrate foods . Carbon hydrates as glucose , fructose, sucrose , maltose, lactose , starch, among others, are the main source of energy for the body . Glucose is essential for maintaining the functional integrity of nerve tissue and in normal circumstances the only energy source for the brain. The presence of carbohydrates is necessary for the normal metabolism of fats. It recommends eating 6-11 servings . Examples of foods in this group: a slice of bread , cereals and pastries , rice , tea or cooked macaroni .
Group 2: plants and vegetables rich in vitamins , minerals and fiber. They have essential nutrients for many body functions , for example, the metabolic reactions . Consumption is preferable dark leafy vegetables like broccoli , carrots , squash and beets . Consume 3-5 servings a day .
Group 3 : Fruits are good sources of vitamins , minerals and fiber , especially when eaten naturally. Also , have essential nutrients for many body functions . Consume 2-4 servings a day .
Group 4: meats , eggs and legumes such as beans , lentils , peas , chickpeas and soybeans, and walnuts and chestnuts in this group . Are required for the construction and maintenance of tissues in the body , forming enzymes, hormones and various body fluids and secretions, as well as preservation of the immune system . Including foods rich in protein, vitamin B12 and minerals like zinc and iron. Consume 2-3 servings a day .
Group 5 : Milk and milk products: are the largest suppliers of calcium, a mineral involved in the formation of bones and teeth , muscle contraction and nervous system action . Protein sources are also good . Consume 2-3 servings a day .
Group 6: Lipids (fats and oils) are a more concentrated source of energy than carbohydrates and proteins. Furthermore, once converted into fatty tissue , are a form of energy storage. Lipids as vehicles for lipid-soluble vitamins can be found in the cream, butter, shortening , oils, etc. . It's on the top of the pyramid and should be eaten in moderation.
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