Jamblang (Syzygium cumini) or also called jambu rivet and duwet is a kind of fruit tree of guava tribe (Myrtaceae). The fruit-bearing plant is also known by various names such as jambee kleng (Aceh), guava kling, nunang (Gayo), guava koliong (Riau), jambu kalang (Min.), Jambulang, jambulan, jombulan, jumblang (various local names in North Sulawesi), jambulan (Flores), jambula (Ternate), jamblang (Btw., Sd.). Also jambu juwat, jiwat, jiwat paddy (Jw.), Juwet, jujutan (Bl.), Dhuwak, dhalas (Md.), Duwe (Bima), Rappo - Rappo (Selayar) etc. In various foreign languages the fruit is known as jambulan, jambulana (Malaysia), duhat (Philippines), crested, jamun, or Java plum (Ingg.), etc. The scientific name is Syzygium cumini.
Distribution and habitat
Jamblang can be found in both cultivated / wild in tropical Asia and Australia. The jamblang tree has its natural dispersal areas in the subtropical Himalayas, India, Sri Lanka, Malesia and Australia. Currently it has been planted throughout the tropics and subtropics. In Java, it grows wild in teak forests and is cultivated as fruit trees in the yard, from lowlands up to 500 mdpl. However, it can grow at an altitude of 1800 masl. The rainfall needed for good growth is more than 1000 mm per year with a real dry season. Jamblang grows on the flood plain. This species is tolerant of drought and can grow in a variety of infertile soils, wetlands and well drained soils (clay soils, calcareous clays, sandy soils and calcareous soils). Generally, jamblang is propagated by seed, but superior cultivars can be propagated by graft.
Benefits of Jamblang Fruit
This plant is cool, aromatic and has strong astrigen properties. So that the fruit is potentially used as a material for making traditional medicine. Some of the benefits of fruit jamblang include:
- Jamblang seeds are used for antidote to Strikhnina or strychnine.
- Fruit extraction can be used to treat lymphatic diseases.
- Jamblang fruit can be used for the manufacture of male contraceptive drugs.
- Consumption of fruits jamblang regularly can cure diabetes.
- Jamblang or duwet also able to eliminate cataracts caused by diabetes.
- Benefits of jamblang fruit is used as a blood pressure-lowering herb.
- Lowering effect Hypoglycemia, a health disorder that occurs when blood sugar levels are below normal.
- Jambang fruit can reduce stains on the teeth, caused by cigarette smoke and beverages.
- Jambalang can be used as juice, jelly and alcoholic beverage or fermented beverage like wine.
- Jamblang fruit rich in vitamin A and vitamin C, very good for children and adults.
- Jamblang can help the body to convert sugar into energy.
- A mixture of jamblang fruit and Dutch berch fruit is useful to reduce heart damage and liver cancer patients.
- A mixture of jamblang and cloves (Eugenia Caryophyllata L) can activate the enzyme S-Transferase in the liver.
Benefits of Jamblang Leaf
- Leaves jamblang also useful for animal health, can be used as animal feed.
- Decoction of leaves and bark of jamblang tree can cure canker sores.
- Water decoction of jamblang leaves mixed with pandanus root and coconut water, can cure blood infection.
- Water decoction of jamblang leaves is also used to treat diarrhea and stomach pain.
Benefits Skin Skin Jamblang
- Benefits of jamblang tree skin can be used to treat diabetes.
- Tree bark extraction can treat diarrhea, abdominal pain, and indigestion.
- Skin and jamblang roots are used to treat epilepsy.
- Benefits of bark of jamblang tree produce tannin compound, and often used to colorize nets.
- Used to inhibit the acidity of tuak or fermented beverages.
- The bark of the jamblang tree is used to treat malaria.
- Skin jamblang serves to diuritik, peluruh urine, clean the kidney and bladder stones.
- Skin patch and jamblang seeds can accelerate the healing and drying of wounds in diabetics.
In addition to the benefits of jamblang very much, it turns out this plant is often seen as a shade in the yard of the house and garden. For farmers, the benefits of jamblang flowers are also very well used as honey bee feed.