Grains, the largest food group in many nutrition guides, includes oats, barley and bread. Cookies, however, are categorized as sugar.
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 groups used can vary widely.[1]

Food groups were a public health education concept invented to teach people eating very restricted, unvaried diets how to avoid becoming deficient in specific nutrients. They have since been adapted to also address diseases of affluence related to diet, such as obesity, diabetes and heart disease.[2]

Historical food groups

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Opson and sitos were Classical Greek food groups, mainly used for moral education, to teach sophrosyne. Mitahara, a concept of moderate diet found in early-first-millenium Sanskrit texts, catagorizes food into groups and recommends eating a variety of healthy foods, while avoiding the unhealthy ones; it also considers foods to have emotional and moral effects. Indian foodways had a substantial influence on European organisations such as the Vegetarian Society], which cited Indian diets as proof that a healthy vegetarian diet was possible, and were actively involved in public debate on nutrition.

In the 20th century, food groups became widely used in public health education, as a tool to reduce nutritional deficiencies.

As early as the 1980s, researchers were criticizing food groups, saying that they were a concept useful for teaching people to avoid nutritional deficiencies, but that nutritional deficiencies were no longer major cause of diet-related disease in affluent societies. Since these are caused by unhealthy food, not by diets lacking of a specific nutrient, they thought that food groups would have to be entirely discarded, or entirely revamped to make them useful in nutritional education in post-industrial countries.[2]

United States

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The USDA promoted eight basic food groups prior to 1943, then seven basic food groups until 1956, then four food groups. A food pyramid was introduced in 1992, then MyPyramid in 2005, followed by MyPlate in 2011. Dietary guidelines were introduced in 2015 and slated to be rereleased every five years. The 2020 guidelines were to be released in spring 2020.[3] Recommended Dietary Allowance recommends daily servings of each group for a healthy diet. In the United States for instance, the USDA has described food as being in from 4 to 11 different groups.

The most common food groups

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Uncommon food groups

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The number of "common" food groups varies depending on who is defining them. Canada's Food Guide, which has been in continual publication since 1942 and is the second most requested government document after the income tax form in Canada, recognizes only four official food groups, listing the remainder of foods as "another".

See also

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References

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  1. ^ Nestle, Marion (2013) [2002]. Food Politics: How the Food Industry Influences Nutrition and Health. University of California Press. pp. 36–37. ISBN 978-0-520-27596-6.
  2. ^ a b "Nutrition: The Changing Scene". The Lancet. 322 (8352): 719–721. 24 September 1983. doi:10.1016/S0140-6736(83)92256-0. ISSN 0140-6736. Retrieved 30 August 2024. (see also pages 782-784, 835-838, and 902-905 for other installments)
  3. ^ "2020-2025 Dietary Guidelines for Americans Recommendations". Physicians Committee for Responsible Medicine.
  4. ^ a b c d e f g "The Australian Guide to Healthy Eating - Enjoy a Variety of Foods Every Day". Australian Government Department of Health and Ageing. Archived from the original on March 19, 2011. Retrieved 3 June 2011.
  5. ^ a b c d e f "The eatwell plate". National Health Service. Retrieved 3 June 2011.
  6. ^ a b c d e "USDA's MyPlate". United States Department of Agriculture. Retrieved 2 June 2011.
  7. ^ "Healthy Eating Plate & Healthy Eating Pyramid". 18 September 2012.
  8. ^ "Eine runde Sache: Der neue DGE-Ernährungskreis". Deutsche Gesellschaft für Ernährung (in German). Archived from the original on 23 June 2011. Retrieved 11 June 2011.
  9. ^ "Healing Foods Pyramid™ 2010". University of Michigan Health System. Archived from the original on 5 June 2011. Retrieved 3 June 2011.
  10. ^ "Recommendations for healthy, tasty eating and drinking for adults" (PDF). Swiss Society for Nutrition. Archived from the original (PDF) on 2 November 2011. Retrieved 12 June 2011.
  11. ^ Advances in food and nutrition research. Volume 81. Fidel Toldrá. Cambridge, MA. 2017. ISBN 978-0-12-811917-4. OCLC 978247923.{{cite book}}: CS1 maint: location missing publisher (link) CS1 maint: others (link)