咩係健康金字塔,佢同均衡飲食有咩關係?點樣先可以食得健康?

如題,用英文答,最好today有答案,分三段答,詳細D,好趕呀,快d嚟答呀!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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  • John
    Lv 7
    1 十年前
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    The improved American food guiding pyramid, informally known as the food pyramid, was a nutrition guide created by the USDA. Released in 1992, the food pyramid suggested how much of each food category one should eat each day. The food guide pyramid replaced the food groups classification. On April 19, 2005, the USDA released the food guide pyramid's successor, MyPyramid.

    圖片參考:http://upload.wikimedia.org/wikipedia/commons/thum...

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    This 1992 food pyramid diagram can still be found on much of the food packaging in the United States

    Origin

    The food quide pyramid's original version was invented and designed in Sweden by Ann-Britt Agnsater for KF: Testkitchen 1974. The food pyramid was based on the amount of basic food one needs to eat daily in order to maintain their health. Later it was developed to a pyramid. KFs: Test kitchen ( Swedish Cooperative movments Test kitchen) later introduced the Food Pyramid to other European countries, as well as Tanzania and Sri Lanka. In 1992 it inspired American nutritional experts to develop an improved American food pyramid.

    This initial pyramid became famous throughout the world, and became an American icon. One issue which this pyramid was believed to have was its rigidness. The new pyramid reflected the concept that a diet should be structured according to an individual's needs. The old pyramid allowed individuals to consume the foods within a certain range of servings, but did not state how to interpret that choice.

    [edit] Content

    In general terms, the food guide pyramid recommends the following intake of different food groups each day, although exact amounts of calorie intake depends on sex, age, and lifestyle.

    3-5 servings a day of vegetables, especially dark green vegetables and orange vegetables.

    2-4 servings of fruits a day, especially fresh fruits and frozen fruits .

    2-3 servings of meat, poultry, fish, beans, eggs, or nuts a day, especially dry bean and peas, eggs, and nut and seeds.

    2-3 servings of milk, cheese, and yogurt a day, especially milk.

    Occasional use of fats, oils, and sweets, especially oils.

    6-11 servings of grains a day, especially whole grains.

    [edit] Federal dietary recommendations before 1992

    The USDA and other U.S. federal bodies have been analyzing diet and issuing dietary recommendations since the early 20th century. The USDA, created in 1862, was set up to guarantee adequate food supply and to provide dietary advice (Nestle, 2003, 33). During the 1890s, the USDA conducted studies on the relationship between agriculture and human nutrition (Nestle, 2003, 33). W.O. Atwater was the first director of research activities. He published various tables for different American food types and dishes, which listed content of calories, protein, carbohydrate, fat, and mineral matters (Nestle, 2003, 33).

    In 1917, the USDA published a pamphlet, How to Select Foods (Nestle, 2003, 34). This was the USDA's first publication of dietary recommendations which created the food-group format. In the 1920s the USDA suggested five food groups, but this changed soon (Nestle, 2003, 35). By the end of the 1930s there had been 12 suggested food groups (Nestle, 2003, 33).

    Then, in 1940 what would eventually be known as the Food and Nutrition Board was created to aid and teach the government about nutrition problems which might have affected national defense (Nestle, 2003, 35).

    In 1972 the USDA, in cooperation with the National 4-H Council, produced a children's television series, called Mulligan Stew, that taught four basic food groups to be eaten daily on a 4-4-3-2 pattern: "fruits and vegetables", "breads and cereals", "milk or cheese", and "meat, fish or fowl". This show continued to be aired until 1981.

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