Green beans are young, unripe fruits of various cultivars of the common bean ( Phaseolus vulgaris ), [1] [2] although immature or young pods of the runner bean ( Phaseolus coccineus ), yardlong bean (Vigna unguiculata subsp. sesquipedalis), and hyacinth bean ( Lablab purpureus ) are used in a similar way. [3] Green beans are known by many common names, includingFrench beans, [4] string beans (although most modern varieties are "stringless"), [4] and snap beans [4] or simply "snaps." [5] [6] In the Philippines, they are also known as "Baguio beans" or "habichuelas" to distinguish them from yardlong beans. [7]
They are distinguished from the many other varieties of beans in that green beans are harvested and consumed with their enclosing pods before the bean seeds inside have fully matured. An analogous practice is the harvest and consumption of unripened pea pods, as is done with snow peas or sugar snap peas.
Nutritional value per 100 g (3.5 oz) | |||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Energy | 131 kJ (31 kcal) | ||||||||||||||||||||||||||||||||||||||||||||
6.97 g | |||||||||||||||||||||||||||||||||||||||||||||
Dietary fiber | 2.7 g | ||||||||||||||||||||||||||||||||||||||||||||
0.22 g | |||||||||||||||||||||||||||||||||||||||||||||
1.83 g | |||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||
Other constituents | Quantity | ||||||||||||||||||||||||||||||||||||||||||||
Water | 90 g | ||||||||||||||||||||||||||||||||||||||||||||
†Percentages estimated using US recommendations for adults, [8] except for potassium, which is estimated based on expert recommendation from the National Academies. [9] |
As common food in many countries, green beans are sold fresh, canned, and frozen. They can be eaten raw or steamed, boiled, stir-fried, or baked. They are commonly cooked in other dishes, such as soups, stews, and casseroles. Green beans can be pickled, similarly to cucumbers.
A dish with green beans common throughout the northern US, particularly at Thanksgiving, is green bean casserole, a dish of green beans, cream of mushroom soup, and French-fried onions. [10]
Raw green beans are 90% water, 7% carbohydrates, 2% protein, and contain negligible fat (table). In a 100-gram (3.5-ounce) reference amount, raw green beans supply 31 calories and are a moderate source (range 10–19% of the Daily Value) of vitamin C, vitamin K, vitamin B6, and manganese, while other micronutrients are in low supply (table).
The green bean (Phaseolus vulgaris) originated in Central and South America, where there is evidence that it has been cultivated in Mexico and Peru for thousands of years. [11]
The first "stringless" bean was bred in 1894 by Calvin Keeney, called the "father of the stringless bean," while working in Le Roy, New York. [12] Most modern green bean varieties do not have strings. [3]
Green beans are classified by growth habit into two major groups, "bush" (or "dwarf") beans and "pole" (or "climbing") beans. [13] [14] [15]
Bush beans are short plants, growing to not more than 2 feet (61 cm) in height, often without requiring supports. They generally reach maturity and produce all of their fruit in a relatively short period, then cease to produce. Owing to this concentrated production and ease of mechanized harvesting, bush-type beans are those most often grown on commercial farms. Bush green beans are usually cultivars of the common bean (Phaseolus vulgaris).
Pole beans have a climbing habit and produce a twisting vine, which must be supported by "poles," trellises, or other means. Pole beans may be common beans (Phaseolus vulgaris), runner beans (Phaseolus coccineus) or yardlong beans (Vigna unguiculata subsp. sesquipedalis). [16] [17]
Half-runner beans have both bush and pole characteristics, and are sometimes classified separately from bush and pole varieties. [18] [19] [20] [21] Their runners can be about 3–10 feet long. [22] [ irrelevant citation ]
Over 130 varieties (cultivars) of edible pod beans are known. [23] Varieties specialized for use as green beans, selected for the succulence and flavor of their green pods, are the ones usually grown in the home vegetable garden, and many varieties exist. Beans with various pod colors (green, purple, red, or streaked. [24] ) are collectively known as snap beans, while green beans are exclusively green. Pod shapes range from thin and circular ("fillet" types) to wide and flat ("romano" types) and more common types in between.
The three most commonly known types of green beans belonging to the species Phaseolus vulgaris are string or snap beans, which may be round or have a flat pod; stringless or French beans, which lack a tough, fibrous string running along the length of the pod; and runner beans, which belong to a separate species, Phaseolus coccineus . Green beans may have a purple rather than green pod, which changes to green when cooked. [25] [ page needed ] Yellow-podded green beans are also known as wax beans. [3] Wax bean cultivars are commonly of the bush or dwarf form. [26] [ page needed ]
All of the following varieties have green pods and are Phaseolus vulgaris unless otherwise specified:
Production of green beans – 2020 | |
---|---|
Country | (Millions of tonnes) |
China | 18.0 |
Indonesia | 0.9 |
India | 0.6 |
Turkey | 0.5 |
Thailand | 0.3 |
World | 23.3 |
Source: FAOSTAT of the United Nations [31] |
In 2020, world production of green beans was 23 million tonnes, with China accounting for 77% of the total (table).
A bean is the seed of several plants in the family Fabaceae, which are used as vegetables for human or animal food. They can be cooked in many different ways, including boiling, frying, and baking, and are used in many traditional dishes throughout the world.
Pea is a pulse, vegetable or fodder crop, but the word often refers to the seed or sometimes the pod of this flowering plant species. Carl Linnaeus gave the species the scientific name Pisum sativum in 1753. Some sources now treat it as Lathyrus oleraceus; however the need and justification for the change is disputed. Each pod contains several seeds (peas), which can have green or yellow cotyledons when mature. Botanically, pea pods are fruit, since they contain seeds and develop from the ovary of a (pea) flower. The name is also used to describe other edible seeds from the Fabaceae such as the pigeon pea, the cowpea, the seeds from several species of Lathyrus and is used as a compound form for example Sturt's desert pea.
Phaseolus is a genus of herbaceous to woody annual and perennial vines in the family Fabaceae containing about 70 plant species, all native to the Americas, primarily Mesoamerica.
Legumes are plants in the family Fabaceae, or the fruit or seeds of such plants. When used as a dry grain for human consumption, the seeds are also called pulses. Legumes are grown agriculturally, primarily for human consumption, but also as livestock forage and silage, and as soil-enhancing green manure. Well-known legumes include beans, chickpeas, peanuts, lentils, lupins, mesquite, carob, tamarind, alfalfa, and clover. Legumes produce a botanically unique type of fruit – a simple dry fruit that develops from a simple carpel and usually dehisces on two sides.
Phaseolus coccineus, known as runner bean, scarlet runner bean, or multiflora bean, is a plant in the legume family, Fabaceae. Another common name is butter bean, which, however, can also refer to the lima bean, a different species.
A lima bean, also commonly known as butter bean, sieva bean, double bean or Madagascar bean, is a legume grown for its edible seeds or beans.
Phaseolus vulgaris, the common bean, is a herbaceous annual plant grown worldwide for its edible dry seeds or green, unripe pods. Its leaf is also occasionally used as a vegetable and the straw as fodder. Its botanical classification, 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 asparagus bean is a legume cultivated for its edible green pods containing immature seeds, like the green bean. It is also known as: yardlong bean, pea bean, long-podded cowpea, Chinese long bean, snake bean, bodi, and bora. Despite the common name of "yardlong", the pods are actually only about half a yard long, so the subspecies name sesquipedalis is a more accurate approximation.
The snap pea, also known as the sugar snap pea, is an edible-pod pea with rounded pods and thick pod walls, in contrast to snow pea pods, which are flat with thin walls. The name mangetout can apply to snap peas and snow peas.
The black turtle bean is a small, shiny variety of the common bean especially popular in Latin American cuisine, though it can also be found in the Cajun and Creole cuisines of south Louisiana. Like all varieties of the common bean, it is native to the Americas, but has been introduced around the world. It is also used in Indian cuisine, Tamil cuisine, where it is known as karuppu kaaramani and in Maharashtrian cuisine, where it is known as Kala Ghevada. It is widely used in Uttrakhand India also known as "Bhatt". It is a rich source of iron and protein. The black turtle bean is often simply called the black bean, although this terminology can cause confusion with at least three other types of black beans.
The navy bean, haricot bean, pearl haricot bean, Boston bean, white pea bean, or pea bean is a variety of the common bean native to the Americas, where it was first domesticated. It is a dry white bean that is smaller than many other types of white beans, and has an oval, slightly flattened shape. It features in such dishes as baked beans, various soups such as Senate bean soup, and bean pies.
The snow pea is an edible-pod pea with flat pods and thin pod walls. It is eaten whole, with both the seeds and the pod, while still unripened.
Pea beans are several types of common food plants producing beans:
Flat beans, also known as helda beans, romano beans and "sem fhali" in some Indian states, are a variety of Phaseolus vulgaris, known as runner bean with edible pods that have a characteristic wide and flat shape. Flat beans are normally cooked, and served as the whole pods, the same way as other green beans. Like many other types of bean they can also be dehusked or shelled, and the whitish seeds dried and stored, but there is no incentive to grow them for this purpose as higher-yielding bean varieties are available.
The Appaloosa bean is a cultivar bean variety of the species Phaseolus vulgaris.
The rattlesnake bean is an heirloom cultivar of pole bean. The pods are 6 to 8-inches long with purple markings, and the seeds are light brown with brown markings, still visible after cooking. They are named for the snake-like manner in which their pods coil around the vine.
The Calypso bean, pickle bean, orca bean, or yin yang bean, is a bean cultivar of the species Phaseolus vulgaris.
Dragon tongue bean, or dragon tongue shelling bean, is young green bean of cranberry bean, pinto bean in the species Phaseolus vulgaris.
Soon Jai Park, Ph.D. (1937–2018) was a Canadian federal research scientist at Agriculture and Agri-Food Canada in Harrow, Ontario. He was internationally known for his dry bean breeding program that expanded bean production in Canada – taking beans that are usually grown in Africa, India, Korea, Japan and Brazil, and breeding them so they could thrive in Ontario and Western Canada to give farmers new crops to grow. He developed more than 28 bean varieties during his 25 year career
The Bolita bean is an heirloom variety of common bean endemic to New Mexico and southern Colorado. It is a small, round, and sweet bean that is traditional to New Mexican and southwestern cuisine.
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