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Lentil

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Lentil



 
 
The lentil or daal or pulse (Lens culinaris) is a bushy annual plant
Annual plant

An annual plant is a plant that usually germinates flowers and dies in one year. True annuals will only live longer than a year if they are prevented from setting seed....
 of the legume
Fabaceae

Fabaceae or Leguminosae is a large and economically important family of flowering plants, which is commonly known as the legume family, pea family, bean family or pulse family....
 family, grown for its lens-shaped seed
Seed

A seed is a small Plant embryogenesis plant enclosed in a covering called the seed coat, usually with some Food storage. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant....
s. It is about 15 inches tall and the seeds grow in pods, usually with two seeds in each.

plant originated in the Near East
Near East

Near East today is an ambiguous term that covers different countries for archeologists and historians, on one hand, and for political scientists, economists, and journalists, on the other....
, and has been part of the human diet since the aceramic
Aceramic

Aceramic is a classification of certain early human civilisations, implying the culture has not yet produced pottery.The attribute is often associated with the early phase of Neolithic cultures....
 (non-pottery
Pottery

Pottery is the ceramic ware made by potters. Major types of pottery include earthenware, stoneware, and porcelain. The places where such wares are made are called potteries....
 producing) Neolithic
Neolithic

The Neolithic period was a period in the development of human technology, beginning about 9500 Before the Christian Era in the Middle East that is traditionally considered the last part of the Stone Age....
 times, being one of the first crops domesticated
Neolithic founder crops

The Neolithic founder crops are the eight plant species that were Domestication by early Holocene farming communities in the Fertile Crescent region of southwest Asia, and which formed the basis of systematic agriculture in the Middle East, North Africa, India, Persia and Europe....
 in the Near East.






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Encyclopedia


The lentil or daal or pulse (Lens culinaris) is a bushy annual plant
Annual plant

An annual plant is a plant that usually germinates flowers and dies in one year. True annuals will only live longer than a year if they are prevented from setting seed....
 of the legume
Fabaceae

Fabaceae or Leguminosae is a large and economically important family of flowering plants, which is commonly known as the legume family, pea family, bean family or pulse family....
 family, grown for its lens-shaped seed
Seed

A seed is a small Plant embryogenesis plant enclosed in a covering called the seed coat, usually with some Food storage. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant....
s. It is about 15 inches tall and the seeds grow in pods, usually with two seeds in each.

Background

The plant originated in the Near East
Near East

Near East today is an ambiguous term that covers different countries for archeologists and historians, on one hand, and for political scientists, economists, and journalists, on the other....
, and has been part of the human diet since the aceramic
Aceramic

Aceramic is a classification of certain early human civilisations, implying the culture has not yet produced pottery.The attribute is often associated with the early phase of Neolithic cultures....
 (non-pottery
Pottery

Pottery is the ceramic ware made by potters. Major types of pottery include earthenware, stoneware, and porcelain. The places where such wares are made are called potteries....
 producing) Neolithic
Neolithic

The Neolithic period was a period in the development of human technology, beginning about 9500 Before the Christian Era in the Middle East that is traditionally considered the last part of the Stone Age....
 times, being one of the first crops domesticated
Neolithic founder crops

The Neolithic founder crops are the eight plant species that were Domestication by early Holocene farming communities in the Fertile Crescent region of southwest Asia, and which formed the basis of systematic agriculture in the Middle East, North Africa, India, Persia and Europe....
 in the Near East. With 26% protein, lentils have the third highest level of protein from any plant-based food after soybean
Soybean

The soybean or soya bean is a species of legume native to East Asia. The plant is classed as an oilseed rather than a Pulse . It is an annual plant that has been used in China for 5,000 years as a food and a component of drugs....
s and hemp
Hemp

File:Industrialhemp.jpgHemp is the common name for plants of the entire genus Cannabis, although the term is often used to refer only to Cannabis strains cultivated for industrial use....
, and is an important part of the diet in many parts of the world, especially in Nepal
Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia and is the world's youngest republic. It is bordered to the north by the People's Republic of China, and to the south, east, and west by India....
 and India
India

India, officially the Republic of India , is a country in South Asia. It is the List of countries and outlying territories by total area country by geographical area, the List of countries by population country, and the most populous liberal democracy in the world....
, which have large vegetarian
Vegetarianism

File:Foods.jpgVegetarianism is the practice of a diet that excludes meat , fish and poultry.There are several variants of the diet, some of which also exclude egg and/or some products produced from animal labour such as dairy products and honey....
 populations.

A variety of lentils exists with colors that range from yellow to red-orange to green, brown and black. Red, white and yellow lentils are decorticated, i.e., they have their skins removed. There are large and small varieties of many lentils (e.g., Masoor Lentils). Lentils are sold in many forms, with or without the skins, whole or split.

Culturally, other pulses are sometimes called lentils but are actually beans or peas, e.g. "black lentils" (urad beans
Urad (bean)

Urad, also referred to as urad dal, udad dal, urd bean, urd, urid, black matpe bean, black gram, black lentil , or white lentil , is a bean grown in southern Asia....
).

Types

Illustration Lens Culinaris0
  • Brown/Spanish Pardina
  • French Green/Puy (Dark speckled blue-green)
  • Green
  • Black/Beluga
  • Yellow/Tan Lentils (Red inside)
    • Red Chief (Decorticated yellow lentils)
  • Eston Green (Small green)
  • Richlea (Medium green)
  • Laird (Large green)
  • Petite Golden (Decorticated lentils)
  • Masoor (Brown-skinned lentils which are red inside)
    • Petite Crimson/Red (Decorticated masoor lentils)
  • Macachiados (Big Mexican yellow lentils)


Preparation

The seeds have a short cooking time (especially for small varieties with the husk removed, such as the common red lentil) and a distinctive earthy flavor. Lentils are used to prepare an inexpensive and nutritious soup
Soup

Soup is a food that is made by combining ingredients such as meat and vegetables in Stock or hot/boiling water, until the flavor is extracted, forming a broth....
 all over Europe
Europe

Europe is, conventionally, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally divided from Asia to its east by the water divide of the Ural Mountains, the Ural , the Caspian Sea, and by the Caucasus Mountains to the southeast....
 and North and South America
Americas

The Americas are the region of the Western hemisphere that consists of the continents of North America and South America with their associated islands and regions....
, sometimes combined with some form of chicken
Chicken

The chicken is a Domestication fowl. Recent evidence suggests that domestication of the chicken was under way in Vietnam over 10,000 years ago....
 or pork
Pork

Pork is the culinary name for meat from the domestic pig . The word, pork, is often meant to denote specifically the fresh meat of the pig, but it can be used as an all-inclusive term, to include cured, smoked, or processed meats It is one of the most-commonly consumed meats worldwide, with evidence of pig animal husbandry dating back...
. They are frequently combined with rice
Rice

Rice is a staple food for a large part of the world's human population, especially in tropical Latin America, and East Asia, South Asia and Southeast Asia, making it the second-most consumed cereal grain, after maize....
, which has a similar cooking time. A lentil and rice dish is referred to in the Middle East as mujaddara
Mujaddara

Mujaddara , also known as mejadra or mudardara, consists of cooked lentils together with wheat or rice, garnished with onions that have been sauteed in vegetable oil....
 or mejadra. Rice and lentils are also cooked together in khichdi
Khichdi

Khichdi is a South Asian rice dish made from rice and lentils . Khichdi is commonly considered to be South Asia's comfort food, and was the inspiration for the Anglo-Indian cuisine dish of kedgeree....
, a popular Indian dish. Lentils are used throughout India
India

India, officially the Republic of India , is a country in South Asia. It is the List of countries and outlying territories by total area country by geographical area, the List of countries by population country, and the most populous liberal democracy in the world....
, the Mediterranean regions and the Middle East
Middle East

File:GreaterMiddleEast1.pngThe Middle East is a region that spans southwestern Asia, western Asia, and northeastern Africa. It has no clear boundaries, often used as a synonym to Near East, in opposition to Far East....
. In rare cases the lentils are mixed with dairy cheese
Cheese

Cheese is a food consisting of proteins and fat from milk, usually the milk of cattle, Water Buffalo, goats, or sheep's milk. It is produced by Coagulation of the milk protein casein....
.

A large percentage of India
India

India, officially the Republic of India , is a country in South Asia. It is the List of countries and outlying territories by total area country by geographical area, the List of countries by population country, and the most populous liberal democracy in the world....
ns are vegetarian
Vegetarianism

File:Foods.jpgVegetarianism is the practice of a diet that excludes meat , fish and poultry.There are several variants of the diet, some of which also exclude egg and/or some products produced from animal labour such as dairy products and honey....
 and lentils have long been part of the indigenous diet as a common source of protein. Usually, lentils are boiled to a stew-like consistency with vegetables and then seasoned with a mixture of spices to make many side dishes such as sambar
Sambar (dish)

Sambar or sambhar or Sambaaru , is a dish common in south Indian cuisine and Sri Lankan Tamil cuisines, made of toovar dal .Sambar is a vegetable stew or chowder based on a broth made with tamarind and toovar dal, and is very popular in the cooking of southern regions of India especially in Andhra Pradesh, Karnataka, Kerala an...
, rasam
Rasam

Rasam, is a South Indian soup. It is prepared with tamarind juice or tomato, Chili pepper and other spices. Lentils are added by some along with vegetables....
 and dal
Dal

Dal or Pappu is a preparation of pulse s which have been stripped of their outer hulls and split. It also refers to the thick, spicy stew prepared therefrom, a mainstay of Indian cuisine, Cuisine of Pakistan, and Cuisine of Bangladesh cuisine....
, which are usually served over rice and roti
Roti

Roti or Phulka in general, is defined as an Leavening agent flat bread in Urdu, Hindi language, Punjabi language, Pashto, Assamese language, Indonesian language, Malay language, Bengali language, and Somali language languages....
.

When lentils are prepared, they are first inspected for damaged lentils, stones and other foreign matter. Then they are rinsed until the water runs through and comes out clear. Some prefer to soak the lentils for an extended time and discard the water. This removes substances that may cause indigestion. The lentils are then boiled in water or broth. They may be cooked on the stovetop, or in a slow cooker
Slow cooker

A slow cooker, or Crock-Pot , is a countertop electrical cooking appliance that maintains a relatively low temperature for many hours, allowing unattended cooking of pot roast, stew, and other suitable dishes....
. Pressure cookers are not recommended, since the small lentils may clog the pressure relief valve, and their quick cooking time means there is little benefit from pressure cooking. Cooked lentils often require thinning: adding more hot water or broth to the cooked legumes until the desired final consistency is reached.

Nutritional value and health benefits


Lentils contain high levels of proteins, including the essential amino acids isoleucine
Isoleucine

Isoleucine is an a-amino acid with the chemical formula HO2CCHCHCH2CH3. It is an essential amino acid, which means that humans cannot synthesize it, so it must be part of our diet....
 and lysine
Lysine

Lysine is an a-amino acid with the chemical formula HO2CCH4NH2. This amino acid is an essential amino acid, which means that humans cannot synthesize it....
. Lentils are deficient in two essential amino acids, methionine and cystine. However, sprouted lentils contain sufficient levels of all essential amino acids, including methionine
Methionine

Methionine is an a-amino acid with the chemical formula HO2CCHCH2CH2SCH3. This Essential amino acid is classified as nonpolar....
 and cystine
Cystine

Cystine is the amino acid dimer formed when a pair of cysteine molecules are joined by a disulfide bond. It is described by the formula 2....
.

Apart from a high level of proteins, lentils also contain dietary fiber, Folate, vitamin B1, and minerals. Red (or pink) lentils contain a lower concentration of fiber than green lentils (11% rather than 31%). Health magazine has selected lentils as one of the five healthiest foods. Lentils are often mixed with grains, such as rice, which results in a complete protein
Complete protein

A complete protein is a source of protein that contains an adequate proportion of all of the essential amino acids for the dietary needs of humans or other animals....
 dish.

Iron content

Lentils are one of the best vegetable sources of iron
Human iron metabolism

Human iron metabolism is the set of chemical reactions maintaining human homeostasis of iron. Iron is an essential element for most life on Earth, including human beings....
. This makes them an important part of a vegetarian diet, and useful for preventing iron deficiency
Iron deficiency (medicine)

For a more specific and detailed discussion of anemia caused by iron deficiency, see the Wikipedia article iron deficiency anemia.Iron deficiency is the most common known form of nutritional deficiency....
. Iron is particularly important for adolescents and pregnant women, whose requirements for it are increased.

Production

Lentils are relatively tolerant to drought and are grown throughout the world. About half of the worldwide production of lentils is from India
India

India, officially the Republic of India , is a country in South Asia. It is the List of countries and outlying territories by total area country by geographical area, the List of countries by population country, and the most populous liberal democracy in the world....
, most of which is consumed in the domestic market. Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
 is the largest export producer of lentils in the world and Saskatchewan
Saskatchewan

Saskatchewan is a prairie provinces in Canada, which has an area of 588,276.09 square kilometres and a population of 1,015,895 , mostly living in the southern half of the province....
 is the most important producing region in Canada. The Palouse
Palouse

The Palouse is a region of the northwestern United States, encompassing parts of eastern Washington, North Central Idaho and, in some definitions, extending south into northeast Oregon....
 Region of Eastern Washington and the Idaho Panhandle, with its commercial center at Pullman, WA, constitutes the most important producing region in the United States.

FAO reports that world production of lentils for calendar year 2007 is 3.874 million metric tonnes, primarily coming from India(36%), Canada(17%) and Turkey(15%). National Agricultural Statistics Service (NASS) reports United States 2007 production at 154.5 thousand metric tonnes, primarily coming from North Dakota, Montana, Washington, and Idaho.

Top Ten Lentils Producers – 2007
Country Production (tonne
Tonne

A tonne or metric ton , also referred to as a metric tonne, is a measurement of mass equal to 1,000 kilograms, or 2204.6226 pounds....
s)
Footnote
1,400,000 *
669,700  
580,260  
180,000 F
165,000 F
164,694  
154,584  
131,000  
119,000 F
115,000 F
3,873,801 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:


Current United States production numbers can be found at the NASS database by selecting the desired items.

Diseases


Lentils in culture

Lentils are mentioned many times in the Old Testament
Old Testament

In Western Christianity, the Old Testament refers to the books that form the first of the two-part Christianity Bible Biblical canon. These works correspond to the Hebrew Bible , with some variations and additions....
. In Jewish tradition they are considered as food for mourners, together with boiled eggs
Egg (food)

An egg is a round or oval body laid by the female of many animals, consisting of an ovum surrounded by layers of membranes and an outer casing, which acts to nourish and protect a developing embryo and its nutrient reserves....
. The reason is that their round shape symbolizes the life cycle from birth to death.

Lentils and lenses

The optical lens is named after the lentil (Latin: lens), whose shape it resembles. This same connection appears in many other languages:
Language lens lentil
AlbanianThjerrëz (bot.)Thjerrëza
Arabic???? (adasa)??? (adas)
BotswanaChadiAditi Chaddi
Bulgarian????????
Catalanlentllentia
Croatianlecaleca
Czechcockacocka
Danishlinselinse
Dutchlenslinzen
Estonianläätsedläätsed
Finnishlinssilinssi
Frenchlentillelentille
GermanLinseLinse
Greekfa???fa??
Hebrewadasha (pl. adashot)adasha (pl. adashim)
HindidalMasoor dal
Hungarianlencselencse
Italianlentelenticchia
Japanese??? (renzu)???? (renzumame)
KannadaBayleaThogare Baylea
KapampanganMalobiasMalobias
Latinlenslens
Latvianlecaleca
Lithuanianlešislešis
Macedonian????????
MalayalamParippuThvara Parippu
MarathiDaalMasoor Daal
Norwegianlinselinse
Persianadasiadas
Polishsoczewkasoczewica
Portugueselentelentilha
Romanianlentilalinte
Serbiansocivosocivo
Slovenelecaleca
Slovakšošovkašošovica
Spanishlentelenteja
Swahilijichoicho
Swedishlinslins
TeluguPappuPappu
TamilParuppuThuvaram Paruppu
Turkishmercekmercimek
Urdudaaldaal


Further reading

  • S S Yadav et al. Lentil: An Ancient Crop for Modern Times. (2007). Springer Verlag. ISBN 9781402063121.


External links