Pea: Difference between revisions
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In [[Greece]], [[Turkey]], [[Cyprus]], and other parts of the Mediterranean, peas are made into a stew with meat<!--Lamb or beef?--> and potatoes. |
In [[Greece]], [[Turkey]], [[Cyprus]], and other parts of the Mediterranean, peas are made into a stew with meat<!--Lamb or beef?--> and potatoes. |
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[[Image:Canada-wasabi-green-peas.jpg|left|thumb| |
[[Image:Canada-wasabi-green-peas.jpg|left|thumb|[[Wasabi peas]].]] |
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In the [[United Kingdom]], dried, rehydrated and mashed marrowfat peas, known by the public as [[mushy peas]], are popular, originally in the north of [[England]] but now ubiquitously, and especially as an accompaniment to [[fish and chips]] or [[meat pie]]s, particularly in fish and chip shops. [[Sodium bicarbonate]] is sometimes added to soften the peas. In 2005, a poll of 2,000 people revealed the pea to be Britain's 7th favorite culinary vegetable.{{Fact|date=December 2008}} |
In the [[United Kingdom]], dried, rehydrated and mashed marrowfat peas, known by the public as [[mushy peas]], are popular, originally in the north of [[England]] but now ubiquitously, and especially as an accompaniment to [[fish and chips]] or [[meat pie]]s, particularly in fish and chip shops. [[Sodium bicarbonate]] is sometimes added to soften the peas. In 2005, a poll of 2,000 people revealed the pea to be Britain's 7th favorite culinary vegetable.{{Fact|date=December 2008}} |
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Revision as of 16:30, 30 May 2009
| Pea | |
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| Peas are contained within a pod | |
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| Pea plant: Pisum sativum | |
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| Species: | P. sativum
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| Binomial name | |
| Pisum sativum | |
A pea is most commonly the small spherical seed or the seed-pod of the legume Pisum sativum.[1] Each pod contains several peas. Although it is botanically a fruit,[2] it is treated as a vegetable in cooking. The name is also used to describe other edible seeds from the Fabaceae such as the pigeon pea (Cajanus cajan), the cowpea (Vigna unguiculata), and the seeds from several species of Lathyrus.
P. sativum is an annual plant, with a life cycle of one year. It is a cool season crop grown in many parts of the world; planting can take place from winter through to early summer depending on location. The average pea weighs between 0.1 and 0.36 grams.[3] The species is used as a vegetable - fresh, frozen or canned, and is also grown to produce dry peas like the split pea. These varieties are typically called field peas.
The wild pea is restricted to the Mediterranean basin and the Near East. The earliest archaeological finds of peas come from Neolithic Syria, Turkey and Jordan. In Egypt, early finds come from c. 4800–4400 BC in the delta area, and from c. 3800–3600 BC in Upper Egypt. The pea was also present in 5th millennium BC Georgia. Further east, the finds are younger. Pea remains were retrieved from Afghanistan c. 2000 BC. They were present in 2250–1750 BC Harappa Pakistan and north-west India, from the older phases of this culture onward. In the second half of the 2nd millennium BC this pulse crop appears in the Gangetic basin and southern India.[4]
Description
The pea is a green, pod-shaped fruit, widely grown as a cool-season vegetable crop. The seeds may be planted as soon as the soil temperature reaches 10°C (50°F), with the plants growing best at temperatures of 13 to 18°C (55°F-65°F). They do not thrive in the summer heat of warmer temperate and lowland tropical climates but do grow well in cooler high altitude tropical areas. Many cultivars reach maturity about 60 days after planting. Generally, peas are to be grown outdoors during the winter, not in greenhouses. Peas grow best in slightly acidic, well-drained soils.
| Nutritional value per 100 g (3.5 oz) | |
|---|---|
| Energy | 339 kJ (81 kcal) |
14.5 g | |
| Sugars | 5.7 g |
| Dietary fiber | 5.1 g |
0.4 g | |
5.4 g | |
| Vitamins | Quantity %DV† |
| Vitamin A equiv. | 4% 38 μg4% 449 μg |
| Thiamine (B1) | 25% 0.3 mg |
| Riboflavin (B2) | 8% 0.1 mg |
| Niacin (B3) | 13% 2.1 mg |
| Pantothenic acid (B5) | 2% 0.1 mg |
| Vitamin B6 | 12% 0.2 mg |
| Folate (B9) | 16% 65 μg |
| Vitamin C | 44% 40.0 mg |
| Minerals | Quantity %DV† |
| Calcium | 2% 25.0 mg |
| Iron | 8% 1.5 mg |
| Magnesium | 8% 33.0 mg |
| Phosphorus | 9% 108 mg |
| Potassium | 8% 244 mg |
| Zinc | 11% 1.2 mg |
| †Percentages estimated using US recommendations for adults,[5] except for potassium, which is estimated based on expert recommendation from the National Academies.[6] | |
Peas have both low-growing and vining cultivars. The vining cultivars grow thin tendrils from leaves that coil around any available support and can climb to be 1-2 m high. A traditional approach to supporting climbing peas is to thrust branches pruned from trees or other woody plants upright into the soil, providing a lattice for the peas to climb. Branches used in this fashion are sometimes called pea brush. Metal fences, twine, or netting supported by a frame are used for the same purpose. In dense plantings, peas give each other some measure of mutual support. Pea plants can self-pollinate .[citation needed]
Varieties
There are many varieties of garden pea. Some of the most common include the following:
- Alaska, 55 days (smooth seeded)
- Thomas Laxton/Laxton's Progress #9, 60 days
- Mr. Big, 60 days, 2000 AAS winner
- Little Marvel, 63 days, 1934 AAS winner
- Wando, 68 days
- Green Arrow, 70 days
- Tall Telephone/Alderman, 75 days (tall climber)
Other variations of P. sativum include:
- Pisum sativum var. macrocarpon is commonly known as the snow pea
- Pisum sativum var. macrocarpon ser. cv. is known as the sugar or snap pea or mange-tout
Both of these are eaten whole before the pod reaches maturity. The snow pea (often erroneously called "mange tout") pod is eaten flat. In sugar snap peas, the pod becomes cylindrical but is eaten before the seeds inside develop while the pod is still crisp, hence the 'snap' term used.
Pests and diseases
The pea leaf weevil (Latin: Sitona lineatus) is an insect that damages peas and other legumes. It is native to Europe, but has spread to other places such as Alberta, Canada. They are about 3.5 millimetres (0.14 in) — 5.5 millimetres (0.22 in) long and are distinguishable by three light-coloured stripes running length-wise down the thorax. The weevil larvae feed on the root nodules of pea plants, which are essential to the plant's supply of nitrogen, and thus diminish leaf and stem growth. Adult weevils feed on the leaves and create a notched "c-shaped" appearance on the outside of the leaves.[7]
Use
Culinary use
In early times, peas were grown mostly for their dry seeds. In modern times, however, peas are usually boiled or steamed, which breaks down the cell walls and makes the taste sweeter and the nutrients more bio-available. Along with broad beans and lentils, these formed an important part of the diet of most people in Europe during the Middle Ages (Bianchini 1975 p 40). By the 1600s and 1700s it had become popular to eat peas "green", that is, while they are immature and right after they are picked. This was especially true in France and England, where the eating of green peas was said to be "both a fashion and a madness" (OSU 2006). New cultivars of peas were developed by the English during this time which became known as garden peas and English peas. The popularity of green peas spread to North America. Thomas Jefferson grew more than 30 cultivars of peas on his estate (Kafka 2005 p 297). With the invention of canning and freezing of foods, green peas became available year-round, and not just in the spring as before.
Fresh peas are often eaten boiled and flavored with butter and/or spearmint as a side dish vegetable. Salt and pepper are also commonly added to peas when served. Fresh peas are also used in pot pies, salads and casseroles. Pod peas (particularly sweet cultivars called mange tout and sugar peas, or the flatter "snow peas," called hé lán dòu, 荷兰豆 in Chinese) are used in stir-fried dishes, particularly those in American Chinese cuisine.[1] Pea pods do not keep well once picked, and if not used quickly are best preserved by drying, canning or freezing within a few hours of harvest.
In India, fresh peas are used in various dishes such as aloo matar (curried potatoes with peas) or matar paneer (paneer cheese with peas), though they can be substituted with frozen peas as well. Peas are also eaten raw, as they are sweet when fresh off the bush.
Dried peas are often made into a soup or simply eaten on their own. In Japan, China, Taiwan and some Southeast Asian countries, including Thailand and Malaysia, the peas are roasted and salted, and eaten as snacks. In the UK, dried yellow split peas are used to make pease pudding (or "pease porridge"), a traditional dish. In North America, a similarly traditional dish is split pea soup.
Ärtsoppa is a traditional Scandinavian food which predates the Viking era. This food was made from a fast-growing pea that would mature in a short growing season. Ärtsoppa was especially popular among the many poor who traditionally only had one pot and everything was cooked together for a dinner using a tripod to hold the pot over the fire. When pork was available it was known as Ärtsoppa och fläsk and this tradition has continued to the present day. After the Christian conversion this soup was served on Thursday evening because Friday was a fasting day.
In Chinese cuisine, pea sprouts (豆苗; dòu miáo) are commonly used in stir-fries and its price is relatively high due to its agreeable taste. Pea leaves are often considered a delicacy as well.
In Greece, Turkey, Cyprus, and other parts of the Mediterranean, peas are made into a stew with meat and potatoes.
In the United Kingdom, dried, rehydrated and mashed marrowfat peas, known by the public as mushy peas, are popular, originally in the north of England but now ubiquitously, and especially as an accompaniment to fish and chips or meat pies, particularly in fish and chip shops. Sodium bicarbonate is sometimes added to soften the peas. In 2005, a poll of 2,000 people revealed the pea to be Britain's 7th favorite culinary vegetable.[citation needed]
Processed peas are mature peas which have been dried, soaked and then heat treated (processed) to prevent spoilage — in the same manner as pasteurising. Cooked peas are sometimes sold dried and coated with wasabi as a spicy snack.
Some forms of etiquette require that peas be only eaten with a fork and not pushed onto the fork with a knife [2][3].
Bioplastics
Bioplastics can be made using pea starch.
Peas in science
In the mid-1800s, Gregor Mendel's observations of pea pods led to the principles of Mendelian genetics, the foundation of modern genetics.
Etymology
According to etymologists, the term was taken from the Latin pisum and adopted into English as the noun pease (plural peasen), as in pease pudding. However, by analogy with other plurals ending in -s, speakers began construing pease as a plural and constructing the singular form by dropping the "s", giving the term "pea". This process is known as back-formation.
The name marrowfat pea for mature dried peas is recorded by the OED as early as 1733. The fact that an export cultivar popular in Japan is called Maro has led some people to assume mistakenly that the English name marrowfat is derived from Japanese.
Standardization of its products
See also
Notes
- ^ Oxford English Dictionary - Pea
- ^ Rogers, Speed (2007). Man and the Biological World Read Books. pp. 169–170. ISBN 1406733040 retrieved on 2009-04-15.
- ^ Pea
- ^ Zohary, Daniel and Hopf, Maria (2000). Domestication of Plants in the Old World, third edition. Oxford: University Press. ISBN 0-19-850356-3 p. 105–107
- ^ 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.
- ^ 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.
- ^ Barkley, Shelley (2007-05-02). "Pea Leaf Weevil". Agriculture and Rural Development website. Government of Alberta. Retrieved 2009-04-05.
References
- Bianchini, F. & Corbetta, F., 1976, The Complete Book of Fruits and Vegetables. New York : Crown Publishers, Inc. ISBN 0-517-52033-8.
- European Association for Grain Legume Research (AEP). Pea. [4].
- Hernández Bermejo, J. E. & León, J., (1992). Neglected crops: 1492 from a different perspective, Food and Agricultural Organization of the United Nations (FAO)[5]
- Kafka, B., 2005, Vegetable Love, New York : Artisan, ISBN 978-1-57965-168-8
- Muehlbauer, F. J. and Tullu, A., (1997). Pisum sativum L. Purdue University[6].
- Oelke, E. A., Oplinger E. S., et al. (1991). Dry Field Pea. University of Wisconsin[7].
- Oregon State University (OSU). (2006). Green Peas, Garden Peas, Peas. [8].
External links
