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[[File:Phaseolus Beans.jpg|thumb|300px|Various types of beans]]
[[File:Phaseolus Beans.jpg|thumb|300px|Various types of beans]]


'''Bean''' is a common name for large plant [[seed]]s of several [[genus|genera]] of the [[Family (biology)|family]] [[Fabaceae]] (alternately Leguminosae) used for [[human]] [[food]] or [[animal feed]].

The whole young pods of bean plants, if picked before the pods ripen and dry, are very tender and may be eaten cooked or raw. Thus the word "green beans" means "green" in the sense of unripe (many are in fact not green in color), as the beans inside the pods of green beans are too small to comprise a significant part of the cooked fruit.


== Terminology ==
== Terminology ==
The term "bean" originally referred to the seed of the [[Vicia faba|broad bean]], but was later expanded to include members of the genus ''[[Phaseolus]]'', such as the [[common bean]] and the [[runner bean]], and the related genus ''[[Vigna]]''. The term is now applied in a general way to many other related plants such as [[soybean]]s, [[pea]]s, [[lentil]]s, [[chickpea]]s (garbanzos), [[vetch]]es, and [[lupin]]s.{{Citation needed|date=November 2009|reason=no reference for addition}}
The term "bean" originally referred to the seed of the [[Vicia faba|broad bean]], but was later expanded to include members of the genus ''[[Phaseolus]]'', such as the [[common bean]] and the [[runner bean]], and the related genus ''[[Vigna]]''. The term is now applied in a general way to many other related
== BEANS ARE AWESOME YES ==
plants such as [[soybean]]s, [[pea]]s, [[lentil]]s, [[chickpea]]s (garbanzos), [[vetch]]es, and [[lupin]]s.{{Citation needed|date=November 2009|reason=no reference for addition}}


"Bean" can be used as a near-synonym of "[[Pulse (legume)|pulse]]", an edible [[legume]], though the term "pulses" is usually reserved for leguminous crops harvested for their dry grain and usually excludes crops mainly used for [[oil]] extraction (like soybeans and peanuts) or those used exclusively for [[sowing]] purposes (such as [[clover]] and [[alfalfa]]). Leguminous crops harvested green for food, such as [[snap pea]]s, [[snow pea]]s, etc., are classified as vegetable crops.{{Citation needed|date=November 2009|reason=no reference for addition}}
"Bean" can be used as a near-synonym of "[[Pulse (legume)|pulse]]", an edible [[legume]], though the term "pulses" is usually reserved for leguminous crops harvested for their dry grain and usually excludes crops mainly used for [[oil]] extraction (like soybeans and peanuts) or those used exclusively for [[sowing]] purposes (such as [[clover]] and [[alfalfa]]). Leguminous crops harvested green for food, such as [[snap pea]]s, [[snow pea]]s, etc., are classified as vegetable crops.{{Citation needed|date=November 2009|reason=no reference for addition}}

Revision as of 13:12, 2 November 2010

For other uses, see Bean (disambiguation).
Various types of beans


Terminology

The term "bean" originally referred to the seed of the broad bean, but was later expanded to include members of the genus Phaseolus, such as the common bean and the runner bean, and the related genus Vigna. The term is now applied in a general way to many other related

BEANS ARE AWESOME YES

plants such as soybeans, peas, lentils, chickpeas (garbanzos), vetches, and lupins.[citation needed]

"Bean" can be used as a near-synonym of "pulse", an edible legume, though the term "pulses" is usually reserved for leguminous crops harvested for their dry grain and usually excludes crops mainly used for oil extraction (like soybeans and peanuts) or those used exclusively for sowing purposes (such as clover and alfalfa). Leguminous crops harvested green for food, such as snap peas, snow peas, etc., are classified as vegetable crops.[citation needed]

In English usage, the word "beans" is also sometimes used to mean the seeds or pods of plants that are not in the family Leguminosae, but which bear a superficial resemblance to true beans, for example coffee beans, castor beans and cocoa beans (which resemble bean seeds), and vanilla beans (which resemble the pods).[citation needed]

History

Beans are one of the longest-cultivated plants. Broad beans, with seeds the size of the small fingernail, were gathered in their wild state in Afghanistan and the Himalayan foothills.[1] In a form improved from naturally occurring types, they were already being grown in Thailand since the early seventh millennium BC, predating ceramics.[2] They were deposited with the dead in ancient Egypt. Not until the second millennium BC did cultivated, large-seeded broad beans appear in the Aegean, Iberia and transalpine Europe.[3] In the Iliad (late 8th century) is a passing mention of beans and chickpeas cast on the threshing floor.[4]

The common bean has been cultivated for six thousand years in the Americas.[citation needed] The oldest-known domesticated beans in the Americas were found in Guitarrero Cave, an archaeological site in Peru, and dated to around the second millennium BCE.[5]

Beans were an important source of protein throughout Old and New World history, and still are today. There are over 4,000 cultivars of bean on record in the United States alone. An interesting modern example of the diversity of bean use is the modern urban recipe 15 bean soup, which, as the name implies, contains literally fifteen different varieties of bean.

Most of the kinds commonly eaten fresh come from the Americas, being first seen by a European when Christopher Columbus during his exploration of what may have been the Bahamas, found them being grown in fields. Five kinds of Phaseolus beans were domesticated[6] by pre-Columbian peoples: common beans (Phaseolus vulgaris) grown from Chile to the northern part of what is now the United States, and lima and sieva beans (Phaseolus lunatus), as well as the less widely distributed teparies (Phaseolus acutifolius), scarlet runner beans (Phaseolus coccineus) and polyanthus beans (Phaseolus polyanthus)[7] One especially famous use of beans by pre-Columbian people as far north as the Atlantic seaboard is the "Three Sisters" method of companion plant cultivation:

On the east coast of what would come to be called the United States, some tribes would grow maize (corn), beans, and squash intermingled together, a system which had originated in Mexico. The corn would not be planted in rows as it is today, but in a checkerboard/hex fashion across a field, separate patches of one to four stalks each.
Beans would be planted around the base of the developing stalks, and would vine their way up as the stalks grew. All American beans at that time were vine plants, "bush beans" having only been bred more recently. The cornstalks would work as a trellis for the beans, and the beans would provide much-needed nitrogen for the corn.
Squash would then be planted in the spaces between the patches of corn in the field. They would be provided slight shelter from the sun by the corn, and would deter many animals from attacking the corn and beans, because their coarse, hairy vines and broad, stiff leaves are difficult or uncomfortable for animals like deer and raccoons to walk through, crows to land on, et cetera.

Dry beans come from both Old World varieties of broad beans (fava beans) and New World varieties (kidney, black, cranberry, pinto, navy/haricot).

Types

Beans, average, canned, sugarfree
Nutritional value per 100 g (3.5 oz)
Energy334 kJ (80 kcal)
10.5 g
0.5 g
9.6 g
Vitamins and minerals
†Percentages estimated using US recommendations for adults,[8] except for potassium, which is estimated based on expert recommendation from the National Academies.[9]

There are many bean types, including:

Toxins

Some kinds of raw beans and especially red and kidney beans, contain a harmful toxin (the lectin Phytohaemagglutinin) that must be destroyed by cooking. A recommended method is to boil the beans for at least ten minutes; undercooked beans may be more toxic than raw beans.[10] Cooking beans in a slow cooker, because of the lower temperatures often used, may not destroy toxins even though the beans do not smell or taste 'bad'[10] (though this should not be a problem if the food reaches boiling and stays there for some time).

Fermentation is used in some parts of Africa to improve the nutritional value of beans by removing toxins. Inexpensive fermentation improves the nutritional impact of flour from dry beans and improves digestibility, according to research co-authored by Emire Shimelis, from the Food Engineering Program at Addis Ababa University. Beans are a major source of dietary protein in Kenya, Malawi, Tanzania, Uganda and Zambia.[11]

Nutrition

Beans have significant amounts of fiber and soluble fiber, with one cup of cooked beans providing between nine to thirteen grams of fiber.[12] Soluble fiber can help lower blood cholesterol.[12] Beans are also high in protein, complex carbohydrates, folate, and iron.[12]

Flatulence

Many edible beans, including broad beans and soybeans, contain oligosaccharides (particularly raffinose and stachyose), a type of sugar molecule also found in cabbage. An anti-oligosaccharide enzyme is necessary to properly digest these sugar molecules. As a normal human digestive tract does not contain any anti-oligosaccharide enzymes, consumed oligosaccharides are typically digested by bacteria in the large intestine. This digestion process produces flatulence-causing gases as a byproduct. This aspect of bean digestion is the basis for the children's rhyme "Beans, Beans, the Musical Fruit".

Some species of mold produce alpha-galactosidase, an anti-oligosaccharide enzyme, which humans can take to facilitate digestion of oligosaccharides in the small intestine. This enzyme, currently sold in the U.S. under the brand-name Beano, can be added to food or consumed separately. In many cuisines beans are cooked along with natural carminatives such as anise seeds, coriander seeds and cumin.

Other strategies include soaking beans in water for several hours before mixing them with other ingredients to remove the offending sugars. Sometimes vinegar is added, but only after the beans are cooked as vinegar interferes with the beans' softening.

Fermented beans will usually not produce most of the intestinal problems that unfermented beans will, since yeast can consume the offending sugars.

Production

The world leader in production of dry bean is Brazil, followed by India and then China. In Europe, the most important producer is Germany.

Top Ten Dry Bean Producers — 11 June 2008
Country Production (Tonnes) Footnote
 Brazil 3,330,435
 India 3,000,000 F
 People's Republic of China 1,957,000 F
 Myanmar 1,765,000 F
 Mexico 1,390,000 F
 United States 1,150,808
 Kenya 535,000 F
 Uganda 435,000
 Argentina 328,249
 Indonesia 320,000 F
 World 19,289,231 A
No symbol = official figure, P = official figure, F = FAO estimate, * = Unofficial/Semi-official/mirror data, C = Calculated figure A = Aggregate (may include official, semi-official or estimates);

Source: Food And Agricultural Organization of United Nations: Economic And Social Department: The Statistical Division

The world leader in production of Green Bean is China, followed by Indonesia and then Turkey.

Top ten green bean producers — 11 June 2008
Country Production (tonnes) Footnote
 People's Republic of China 2,485,000 F
 Indonesia 830,000 F
 Turkey 499,298
 India 420,000 F
 Spain 225,000 F
 Egypt 215,000 F
 Italy 187,190
 Belgium 105,000 F
 Morocco 100,000 F
 United States 100,000 F
 World 6,371,333 A
No symbol = official figure, P = official figure, F = FAO estimate, * = Unofficial/Semi-official/mirror data, C = Calculated figure A = Aggregate (may include official, semi-official or estimates);

Source: Food And Agricultural Organization of United Nations: Economic And Social Department: The Statistical Division

See also

Footnotes

  1. ^ L. Kaplan, "Legumes in the History of Human Nutrition" The World of Soy, 2008:27ff.
  2. ^ Chester F. Gorman, "Hoabinhian: a pebble-tool complex with early plant associations in Southeast Asia", Science, 1969.
  3. ^ Daniel Zohary and Maria Hopf Domestication of Plants in the Old World 2000:114.
  4. ^ "And as in some great threshing-floor go leaping From a broad pan the black-skinned beans or peas" (Iliad xiii, 589).
  5. ^ Chazan p. 271
  6. ^ Domestication, besides involving selection for larger seed size, also involved selection for pods that did not curl and open when ripe, scattering the beans they contained (Kaplan 2008:30)..
  7. ^ Kaplan 2008:30f).
  8. ^ United States Food and Drug Administration (2024). "Daily Value on the Nutrition and Supplement Facts Labels". FDA. Archived from the original on 2024-03-27. Retrieved 2024-03-28.
  9. ^ National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Food and Nutrition Board; Committee to Review the Dietary Reference Intakes for Sodium and Potassium (2019). Oria, Maria; Harrison, Meghan; Stallings, Virginia A. (eds.). Dietary Reference Intakes for Sodium and Potassium. The National Academies Collection: Reports funded by National Institutes of Health. Washington, DC: National Academies Press (US). ISBN 978-0-309-48834-1. PMID 30844154. Archived from the original on 2024-05-09. Retrieved 2024-06-21.
  10. ^ a b "Foodborne Pathogenic Microorganisms and Natural Toxins Handbook: Phytohaemagglutinin". Bad Bug Book. United States Food and Drug Administration. Retrieved 2009-07-11.
  11. ^ Summary: Fermentation 'improves nutritional value of beans' (Sub Saharan Africa page, Science and Development Network website). Paper: Influence of natural and controlled fermentations on α-galactosides, antinutrients and protein digestibility of beans (Phaseolus vulgaris L.)
  12. ^ a b c Mixed Bean Salad (information and recipe) from The Mayo Clinic Healthy Recipes. Accessed February 2010.

References

  • Chazan, Michael (2008). World Prehistory and Archaeology: Pathways through Time. Pearson Education, Inc. ISBN 0-205-40621-1.
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