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Revision as of 19:42, 20 November 2007 by Phermannronald (talk | contribs) (I GONNA RAPE YOU TO STUNT YOUR GROWTH!!! TRY AND STOP ME FUCKERS!!! -peewee)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)Bean is a common name for large plant seeds of several genera of Fabaceae (formerly Leguminosae) used for food or feed. They are also known as "The Mexican Fruit".
Name
The term Bean originally referred to the seed of the broad bean, but was later broadened to include members of the genus Phaseolus such as the common bean or haricot 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 soybeans, peas, lentils, kidney beans, vetches and lupins.
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. Pulses usually excludes crops mainly used for oil extraction (like soybean and peanut) or those used exclusively for sowing purposes (clover and alfalfa). Leguminous crops harvested green for food, such as snap beans, green peas etc, are classified as vegetable crops.
In English usage 'beans' sometimes also refer to seeds or other organs of non leguminosae which bear a resemblance to the vegetable, for example coffee beans, castor beans and cocoa beans (which resemble bean seeds), and vanilla beans (which resemble the pods).
History
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Beans are one of the longest-cultivated plants, broad beans having been grown at least since ancient Egypt, the common bean for six thousand years in the Americas.
Many modern dry beans come from old-world varieties of broad beans, but most of the kinds commonly eaten fresh come from the Americas, being first seen by Christopher Columbus during his conquest of a region of what may have been the Bahamas, where they were grown in fields.
One especially famous use of beans by pre-Columbian people 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 corn (maize), 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 racooons to walk through, crows to land on, et cetera.
Beans were an important alternative 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. However beans, like most plants, do not have a complete set of amino acids, and are therefore dangerous to depend upon as a sole source of protein.
An interesting modern example of the diversity of bean use is 15 bean soup, which, as the name implies, contains literally fifteen different varieties of bean.
Types of beans
- Vicia
- Faba or broad bean
- Vigna
- Aconitifolia or Moth bean
- Angularis or azuki bean
- mungo or urad bean
- radiata or mung bean
- umbellatta or rice bean
- unguiculata or cowpea (includes the black-eyed pea, yardlong bean and others)
- Cicer
- arietinum or chickpea
- Pisum
- sativum or pea
- Lathyrus
- Lathyrus sativus (Indian pea)
- Lathyrus tuberosus (Tuberous pea)
- Lens
- culinaris or lentil
- Lablab
- purpureus or hyacinth bean
- Phaseolus
- acutifolius or tepary bean
- coccineus or runner bean
- lunatus or lima bean
- vulgaris or common bean (includes the pinto bean, kidney bean and many others)
- Glycine
- max or soybean
- Psophocarpus
- tetragonolobus or winged bean
- Cajanus
- cajan or pigeon pea
- Stizolobium
- spp or velvet bean
- Cyamopsis
- tetragonoloba or guar
- Canavalia
- ensiformis or jack bean
- gladiata or sword bean
- Macrotyloma
- M. uniflorum or horse gram
- Lupinus or Lupin
- L. mutabilis or tarwi
- Erythrina or Coral bean
Cultural aspects
The following traditional uses of beans refer to the broad bean.
- In some folk legends, such as in Estonia and the common Jack and the Beanstalk story, magical beans grow tall enough to bring the hero to the clouds. The Grimm Brothers collected a story in which a bean splits its sides laughing at the failure of others.
- Dreaming of a bean is sometimes said to be a sign of impending conflict, though others said they caused bad dreams.
- Pliny the Elder claimed that beans act as a laxative. He may have been referring to the seeds of the castor oil plant, which contain oils used as laxatives in ancient India.
- European folklore claims that planting beans on Good Friday or during the night-time is good luck.
- "Beans, Beans, the Musical Fruit" is a children's song about the flatulence often experienced after eating beans. The song is noteworthy for correctly identifying the bean as a fruit, not a vegetable.
- In Japanese, "mame" (豆, マメ = "bean") may also mean something small. "Mame Chishiki", a Japanese phrase, which literally means "bean knowledge" (not "knowledge of beans"), is used to indicate any random trivia or miscellaneous knowledge displayed. The Japanese name for the Japanese beetle is "mamekogane" (マメコガネ), meaning "small beetle".
- In New Orleans, serving a meal of black-eyed peas on New Year's Day is thought to bring good luck in the upcoming year.
- Beans provide Mexicans the much need flatuence that they crave.
Toxins
Some kinds of raw beans and especially red and kidney beans, contain a harmful toxin (Phytohaemagglutinin) that must be removed, usually by soaking and cooking. The soaking water from kidney beans should be discarded before boiling, and they should be boiled for at least ten minutes. Undercooked beans may be more toxic than raw beans. 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' (though this should not be a problem if the food reaches boiling and stays there for some time).
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 not produce most of the intestinal problems that unfermented beans will, since bacteria can consume the offending sugars.
See also
Notes and references
- . United States Food and Drug Administration. Retrieved 2007-11-06.
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(help) - Phytohaemagglutinin, US FDA's Bad Bug Book or Foodborne Pathogenic Microorganisms and Natural Toxins Handbook. Notes that toxicity may be five-fold greater if heated to 80 °C than if consumed raw.
External links
- Everett H. Bickley Collection, 1919-1980 Archives Center, National Museum of American History, Smithsonian Institution.
- Discovery Online: The Skinny On Why Beans Give You Gas
- Bulgarian Guide: Bean Soup Recipe