Jengkol
Encyclopedia
Archidendron pauciflorum, commonly known as Jengkol, Dogfruit, or Jering is a species of flowering
tree
in the pea
family, Fabaceae
, that is native to Southeast Asia
. Despite its strong smell, the beans are a popular food in Indonesia
, and are also consumed in Malaysia (where they are known as jering), Myanmar
(where they are called da nyin thee) and in Southern Thailand
, where it is called luk-nieng or luk neang. The large brown legumes are very popular and cooked as satay
or curry
, especially rendang
, in Indonesia. In Burmese cuisine, the da nyin thee is either roasted or boiled, and is often eaten along with a pickled fish sauce (Ngapi yay) on steamed rice.
The beans are mildly toxic due to the presence of djenkolic acid
, an amino acid
, which causes djenkolism (jengkol bean poisoning). It causes "spasmodic pain
, gout
, urinary obstruction
and acute renal failure
". The condition mainly affects men, and is not determined by how the beans are prepared, and individuals can consume the beans on multiple occasions without incident, to develop renal failure on another occasion.
Flowering plant
The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...
tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...
in the pea
Pea
A pea is most commonly the small spherical seed or the seed-pod of the pod fruit Pisum sativum. Each pod contains several peas. Peapods are botanically a fruit, since they contain seeds developed from the ovary of a flower. However, peas are considered to be a vegetable in cooking...
family, Fabaceae
Fabaceae
The Fabaceae or Leguminosae, commonly known as the legume, pea, or bean family, is a large and economically important family of flowering plants. The group is the third largest land plant family, behind only the Orchidaceae and Asteraceae, with 730 genera and over 19,400 species...
, that is native to Southeast Asia
Southeast Asia
Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...
. Despite its strong smell, the beans are a popular food in Indonesia
Indonesia
Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...
, and are also consumed in Malaysia (where they are known as jering), Myanmar
Myanmar
Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....
(where they are called da nyin thee) and in Southern Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...
, where it is called luk-nieng or luk neang. The large brown legumes are very popular and cooked as satay
Satay
Satay , or sate, is a dish of marinated, skewered and grilled meat, served with a sauce. Satay may consist of diced or sliced chicken, goat, mutton, beef, pork, fish, other meats, or tofu; the more authentic version uses skewers from the midrib of the coconut palm frond, although bamboo skewers are...
or curry
Curry
Curry is a generic description used throughout Western culture to describe a variety of dishes from Indian, Pakistani, Bangladeshi, Sri Lankan, Thai or other Southeast Asian cuisines...
, especially rendang
Rendang
Rendang is a dish which originated from the Minangkabau ethnic group of Indonesia, and is now commonly served across the country. One of the characteristic foods of Minangkabau culture, it is served at ceremonial occasions and to honour guests...
, in Indonesia. In Burmese cuisine, the da nyin thee is either roasted or boiled, and is often eaten along with a pickled fish sauce (Ngapi yay) on steamed rice.
The beans are mildly toxic due to the presence of djenkolic acid
Djenkolic acid
Djenkolic acid is a sulfur-containing non-protein amino acid naturally found in djenkol beans of the South-East Asian legumes jengkol . This compound consists of two cysteine radicals connected by a methylene group between the sulfurs, or it is 2-amino-3-[sulfanylmethylsulfanyl] propanoic acid...
, an amino acid
Amino acid
Amino acids are molecules containing an amine group, a carboxylic acid group and a side-chain that varies between different amino acids. The key elements of an amino acid are carbon, hydrogen, oxygen, and nitrogen...
, which causes djenkolism (jengkol bean poisoning). It causes "spasmodic pain
Spasm
In medicine a spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice. It is sometimes accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes...
, gout
Gout
Gout is a medical condition usually characterized by recurrent attacks of acute inflammatory arthritis—a red, tender, hot, swollen joint. The metatarsal-phalangeal joint at the base of the big toe is the most commonly affected . However, it may also present as tophi, kidney stones, or urate...
, urinary obstruction
Urinary retention
Urinary retention, also known as ischuria, is a lack of ability to urinate. It is a common complication of benign prostatic hyperplasia , although it can also be caused by nerve dysfunction, constipation, infection, or medications...
and acute renal failure
Acute renal failure
Acute kidney injury , previously called acute renal failure , is a rapid loss of kidney function. Its causes are numerous and include low blood volume from any cause, exposure to substances harmful to the kidney, and obstruction of the urinary tract...
". The condition mainly affects men, and is not determined by how the beans are prepared, and individuals can consume the beans on multiple occasions without incident, to develop renal failure on another occasion.