Phaseolus vulgaris, the common bean,, is a herbaceous annual plant grown worldwide for its edible dry seeds or green bean. Its leaf is also occasionally used as a Leaf vegetable and the straw as fodder. Its Plant taxonomy, along with other Phaseolus species, is as a member of the legume family, Fabaceae. Like most members of this family, common beans acquire the nitrogen they require through an association with rhizobia, which are nitrogen-fixing bacteria.
The common bean has a long history of cultivation. All wild members of the species have a climbing habit, but many are classified either as bush beans or climbing beans, depending on their style of growth. The other major types of commercially grown beans are the runner bean ( Phaseolus coccineus) and the broad bean ( Vicia faba).
Beans are grown on every continent except Antarctica. In 2022, 28 million of dry common beans were produced worldwide, led by India with 23% of the total.
Raw dry beans contain the toxic compound phytohaemagglutinin, which can be deactivated by cooking beans for ten minutes at boiling point (100 °C, 212 °F). The U.S. Food and Drug Administration also recommends an initial soak of at least 5 hours in water which should then be discarded, although this is largely for reducing indigestible carbohydrates.
Like most species from Phaseolus, the genome of P. vulgaris has 11 chromosomal pairs (2n = 22). Its genome is one of the smallest in the legume family at 625 Mbp per haploid genome.
Raw or undercooked beans contain a toxic protein called phytohaemagglutinin.
In Species Plantarum in 1753, Carl Linnaeus classified the beans known by him into genus Phaseolus and genus Dolichos, naming 11 species of Phaseolus, including 6 cultivated species and 5 "wild" species.
The beans cultivated in Europe prior to the Columbian Exchange were of Asian origin and are unrelated to New World Phaseolus species. The Eurasian species were transferred to other genera including Vigna, Vicia and Lablab, so members of the Phaseolus genus are now all from the Americas.
In the Americas, P. vulgaris is also known as ayacotl in Nahuatl (Aztec language), búul in Mayan language (Maya language) and purutu in Quechua (Inca language). In Argentina, Bolivia, Chile, Paraguay and Uruguay, the Spanish name poroto is used, being derived from its corresponding Quechua word. Additional names include the Spanish language frijol, the Portuguese feijão, and the Catalan language fesol.
Beans, squash, and maize (corn) are the three crops that constitute the "Three Sisters", central to indigenous American agriculture.
The common bean arrived in Europe as part of the Columbian exchange.
Many well-known bean and varieties belong to this species, and the list below is in no way exhaustive. Both bush and running (pole) cultivars/varieties exist. The colors and shapes of pods and seeds vary over a wide range.
Phytohaemagglutinin can be inactivated by cooking beans for ten minutes at boiling point (100 °C, 212 °F). Insufficient cooking, such as in a slow cooker at 80 °C/176 °F, is insufficient to deactivate all toxins. To safely cook the beans, the U.S. Food and Drug Administration (FDA) recommends boiling for 30 minutes to ensure they reach a sufficient temperature for long enough to destroy the toxin completely. For dry beans, the FDA also recommends an initial soak of at least 5 hours in water which should then be discarded. Outbreaks of poisoning have been associated with cooking kidney beans in .
The primary of phytohaemagglutinin poisoning are nausea, vomiting, and diarrhea. Onset is from one to three hours after consumption of improperly prepared beans, and symptoms typically resolve within a few hours. Consumption of as few as four or five raw, soaked kidney beans can cause symptoms. Canned red kidney beans are safe to use immediately, as they have already been cooked.
Beans are high in , which are metabolized to uric acid. Uric acid is not a toxin but may promote the development or exacerbation of gout. However, more recent research has questioned this association, finding that moderate intake of purine-rich foods is not associated with an increased risk of gout.
Dry white common beans, after boiling, are 63% water, 25% carbohydrates, 10% protein, and contain little fat. In a reference amount of , boiled white common beans supply 139 calories and are a rich source of folate and manganese, with moderate amounts of thiamine and several dietary minerals.
In Mexico, Central America, and South America, the traditional spice used with beans is epazote, which is also said to aid digestion. In East Asia, a type of seaweed, kombu, is added to beans as they cook for the same purpose. Salt, sugar, and acidic foods such as tomatoes may harden uncooked beans, resulting in seasoned beans at the expense of slightly longer cooking times.
Dry beans may also be bought cooked and canning as refried beans, or whole with water, edible salt, and sometimes sugar.
As the name implies, snap beans break easily when the pod is bent, giving off a distinct audible snapping sound. The pods of snap beans (green, yellow, and purple) are harvested when they are rapidly growing, fleshy, tender (not tough and stringy), and bright in color, and the seeds are small and underdeveloped (8 to 10 days after flowering).
Green beans and wax beans are often Steaming, boiled, Stir frying, or Baking in .
Beans have been used as devices in various methods of divination since ancient times. Fortune-telling using beans is called favomancy.
P. vulgaris has been found to bio-accumulate zinc, manganese, and iron and have some tolerance to their respective toxicities, suggesting suitability for natural bio-remediation of heavy-metal-contaminated soils.
Description
Taxonomy
Etymology
Distribution
Cultivation
Cultivars and varieties
Anasazi Anasazi beans are a dappled red and white bean first cultivated by Ancestral Puebloan people around 130 AD in what is now the Four Corners region of the United States. Anasazi Bean is often confused with Jacob's Cattle variety, but Anasazi has splashes of color, whereas Jacob's Cattle has splashes and small spots. Anasazi beans were adopted by commercial growers beginning in the 1980s and marketed under the name "Anasazi"; traditionally they were known by the Spanish names frijol conejo (rabbit bean), vaquita (little cow), or pájaro carpintero (woodpecker). Appaloosa bean Front portion of the bean is ivory colored; the other end is speckled with reddish-purple and mocha. The bean is named after the Appaloosa ponies of the Nez Perce tribe. The seed was cultivated near the Palouse River in Eastern Washington and Northern Idaho. Black turtle The black turtle bean has small, shiny black seeds. It is especially popular in Latin American cuisine. Bolita bean Bolita beans are a traditional variety utilized in New Mexican cuisine by New Mexican Hispanos from northern New Mexico and southern Colorado. They can range from whitish-tan to beige and even pinkish-purple in color. Calypso bean Calypso beans, also called Panda beans or Yin Yang beans, are half black and half white, with one or two black dots in the white area. When young, the pods can be harvested as green beans. But when full-grown, they are used as a bean for drying. Cranberry bean The originated in Colombia as the cargamanto bean. Borlotti or Roman beans are a variety of cranberry beans bred in Italy to have a thicker skin. They are much used in Mediterranean cuisine. A widespread cultivar of European borlotti is 'Borlotto Lingua di Fuoco' (Tongue of Fire). Dragon tongue Dragon tongue bean is a type of cranberry bean. It is a flavorful, juicy bean whose seeds are encased in a buffed, colorful pod with mottled burgundy patterns throughout the shell's surface. The shelled beans are pale pistachio green in color, their size, petite, and their shape, ovate and slightly curved. Flageolet bean Flageolet beans are picked before full maturity and dried in the shade to retain a green color and a distinct taste. The seeds are small, light green, and kidney-shaped. If shelled and cooked when fresh but semi-dry, the texture is firm yet creamy. They are often eaten in France, where they traditionally accompany lamb. Great northern beans Great northern beans are a large, flat, kidney-shaped white bean. They have a mild, nutty flavor. They are popular in North America and often added to soup beans and casseroles. Kidney bean Kidney beans, also known as red beans, are named for their visual resemblance in shape and color to . They are sometimes used in chili con carne and are an integral part of the cuisine in northern regions of India. They are also used in New Orleans and much of southern Louisiana for the Monday Creole dish of red beans and rice as well as the Caribbean habichuelas guisadas and Central American gallo pinto. Jacob's Cattle Similar to Anasazi in appearance, with the exception of having also dots. Legend says the Passamaquoddy indigenous people of Maine gave these beans as a gift to Joseph Clark, the first Caucasian child born in Lubec, Maine in the 1600s. Also known as Trout. Mocha with Cherry "Mocha with Cherry" is a polebean. This variety is said to come from the Rodope area in Bulgaria, and to be related to "Papa de Rola" and "Dove's Breast". North Holland Brown This bean is an old Dutch Heirloom bush variety primarily used for dried beans. Pea bean, Painted Pony A type of P. vulgaris called pea bean has been recorded in Britain since the 16th century. In the US, the name "pea bean" is also used to describe small white beans and the same name is used for Vigna unguiculata subsp. sesquipedalis, also called yard-long bean and cowpea. The seeds of the British pea bean are bicolored red-brown and white (not to be confused with Jacob's Cattle, which is darker red than reddish-brown). The plants are typical climbing beans. The beans are either eaten in the pod-like French beans or may be harvested when mature and eaten as other dried beans. – The National Vegetable Society – the Pea bean Peruano Also known as mayocoba, canary, canario, Peruvian, Mexican yellow bean. A light green to jaundice yellow kidney-shaped bean that is preferred in certain regions of Mexico (such as Jalisco Pink Pink beans are small, pale pink, oval-shaped beans also known by the Spanish name habichuelas rosadas. The Santa Maria pinquito (Spanglish = pink and small), is commercially grown on the mesas above Santa Maria, California, and is a necessary ingredient in Santa Maria-style barbecue. Pinto bean Pinto beans are named for their mottled skin ( = painted or mottled). They are the most common bean in the United States and northwestern Mexico, and are most often eaten whole in broth or mashed and refried beans. Either whole or mashed, they are a common filling for . The young pods may also be harvested and cooked as green pinto beans. Polish Eagle Beans Also called by the Independence bean by the Polish people because the brown pattern on the inner side of the bean resembles and Eagle - the Polish emblem. This bean variety was cultivated in the XIX century as an act of patriotism by the Polish people. Rattlesnake bean A medium-sized, oblong bean with light brown seeds striped with brown markings. Named for the snake-like manner in which their pods coil around the vine. Small red beans Small red beans, also known as "Mexican red beans", "Central American red beans", and "New Orleans red beans". Popular in central america. Often confused with kidney beans their cousin for a similar color. Sulphur aka China Yellow Bean: A thin-skinned, nearly round Maine heirloom bean that has a tawny yellow color but cooks white and has a distinctly unique flavor. This is a choice variety for use in the traditional Bean Hole style. Tiger's Eye A bush variety, thought to have originated in Chile or Argentina. White or haricot beans are particularly popular in the United Kingdom and the United States. White beans are the most abundant plant-based source of phosphatidylserine known.Souci SW, Fachmann E, Kraut H (2008). Food Composition and Nutrition Tables. Medpharm Scientific Publishers Stuttgart. Yellow (Enola type) 'Sinaloa Azufrado', 'Mayocoba', and 'Peruano' (also called canary) are yellow beans. Peruano beans (see above) are small, oval, yellow beans about 1/2 in (1 cm) long with a thin skin. They have a creamy texture when cooked. Despite the name ('Peruvian beans' in Spanish), they are native to Mexico. Yellow beans are uncommon in the United States due to a controversial patent issued in 1999 to John Proctor, who selected and named a strain of yellow beans from seeds he brought back from Mexico. U.S. Patent No. 5,894,079 (the Enola bean) granted POD-NERS, LLC., exclusive right to import and sell yellow beans in the United States from 1999 through 2008 when the patent was rejected after reexamination. Yellow Eye aka Maine Yellow Eye, this is the most popular baking bean in Maine, which comes in several strains, including the 'Steuben', one of the oldest heirloom beans. It has a wide appeal for its clean, mild taste and is considered the baked bean of choice for church and grange suppers. + Dry bean production – 2022 6.6 2.8 2.7 1.3 1.2 1.0 28.3 Source: FAOSTAT of the United Nations
Production
Toxicity
Uses
Nutrition
Dry beans
Green beans and wax beans
Shelling beans
Popping beans
Other uses
In culture
Gallery
See also
External links
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