Herbs & Plants

Tree Bean

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Botanical Name :Parkia javanica Merr.
Family : Fabaceae (Leguminosae)
Other Scientific Names :Gleditsia javanica Lam.,Acacia javanica DC.,Mimosa biglobosa Roxb.,Parkia roxburghii G. Don,
Local Common Names :Amarang  (Tagb.); bagoen (Ilk.); balaiuak (Ilk.); kupang (Tag., Sbl., Tagb., Ilk.).Tree bean (Engl.),Inga timoriana DC.,Mimosa peregrina Blanco ,Acacia niopa Llanos,Parkia timoriana Merr.

Habitat :Tree Bean is native to northeastern India to Java. It is common in forest at low and medium altitudes in La Union to Laguna Provinces in Luzon and in Palawan.

Description :
A very large tree growing to a height of 25 to 40 meters. The leaves are evenly bipinnate, 30-80 cm long. The pinnae are 40 to 60, 8 to 20 cm long. The leaflets are 60 to 140, linear-oblong, 6-12 millimeters long, close-set, shining above, and pointed at the tip. The heads are dense, obovoid or pyriform, axillary, long-peduncled, up to 6 cm long. Flowers are white, about 1 cm long. The pods are 25 to 30 cm long, about 3.5 cm wide, rather thick, pendulous, black and shining when mature, containing 15-20 seeds.

Propagation : It is grown from seeds.The wood is attracted by termites , so it has no commercial value.

Edible Uses: The seed pods are edible.Their pulp is golden yellow, with a sweetish taste and an odor like that of violets.Roasted seed are used in certain parts of Africa to make an infusion like coffee, for which reason they have been called “soudan Coffee”.

Chemical constituents and properties:-
Pulp contains 60% sugar weight (dextrose and levulose); 0.98 % free tartaric and citric acids, fats, and albuminoids.
Study extracted a lectin from the beans . The purified lectin showed two forms of protein that appeared to be singkle polypeptide chains.

Medicinal Uses:
*Seeds used for abdominal colic.
*In India, pods are used for bleeding piles. Bark extract used for diarrhea and dysentery.
*Lotion made from bark and leaves applied to sores and skin affections.


Phytochemicals: Study yilelded two new iridoid glucosides, javanicosides A and B along with known compounds, urosolic acid, B-sitosterol from the leaf and bark of Pj.
• Hemagglutinating Activity: Study yielded a lectin from the beans of Pj. The purified lectin could agglunate the RBCs of rabbit and rat but not human, sheep or goose.

Other Uses:
Fruit skin known to give a brown color but not used extensively for dyeing fabrics.

The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider


Click to access kupang.pdf