Keben (Barringtonia asiatica) is a tree-shaped plant that is easily found along the coasts of Asia and the Pacific. In Indonesia, especially Papua, the seeds of keben are known as fish poison. However, no one knows if the seeds of keben have a greater benefit for humans. Seed extract seeds can be used to make eye drops that are able to treat various kinds of eye disorders.
Since found in late 2002, eye drops from this keben have been proven empirically able to cure tens of thousands of people with eye diseases with various complaints. Is a large tree species that grow in dry coastal areas. The leaves are oval, rather thick, shiny, and large. Clean white flowers. The fruit is rectangular, large and stringy. This fruit contains a lot of saponins that can be used as a poison fish. Often used as an ornamental plant with the name of a tree of peace.
Keben petiole short, leaf large, stiff like skin, and the top surface shiny. The fruit is a pyramid-shaped square 4, often planted in the palace, especially in Yogyakarta in front of Bang Meng Sri because of the philosophical value of the form of a fruit bersegi 4 and fused in a tip point like the picture of unified regions of the four directions of the unified wind direction to be able to meet With Sri Sultan, besides being planted as shade also symbolized as a tree of peace