Scientific Name :Sapindus rarak De Candole
Bahasa Indonesian: Lerak
Sapindus rarak is a species of soapberry. It is a deciduous tree up to 42 metres (138 ft) tall native to south and east Asia (from India and Sri Lanka in the west to south China and Taiwan in the north and to Indonesia in the south). Its species name is derived from the Malaysian name rerak or rerek. In Indonesia it is commonly known as lerak or klerek.
Sapindus rarak trees can reach height of 42 metres (138 ft) and a diameter of 1 metre (3 ft 3 in). Its compound leaves are large, up to 50 centimetres (20 in) long.
Lerak seeds contain saponins, a type of alkaloid that is opposed, these saponins produce foam and use washing agents, and can be used as a cleaner for various kitchen utensils, floors, even bathing and protected drugs
 The poison content of lerak seeds is also activated as an insecticide. Lerak methanol extract, lerak water extract, forest betel extract and lerak extract are used as an alternative to controlling Crocidolomia pavonana cabbage.
 Additionally, mixing of lerak methanol extract with ethyl extract of lard leaves can also be done to control the same pest.
 The addition of lerak fruit extract also provides a real role as a Ultraviolet protector for SlNPV for controlling the Spodoptera litura pest.
 Fruit skin can be used to reduce facial and scabies pimples. Lerak fruit is relatively easy to obtain in traditional markets. Currently, liquid packaging products in the market that are more practical are available so that they can be used immediately.
in ancient times people used lerak as bath soap and face soap as well as a detergent or pet soap substitute
How to Plant a Sapindus Rarak De Condole Tree?
Spacing for lerak plants is 6 x 6 m, 8 x 8 m or 10 x 10 m. Seed comes from seeds, and can be moved to the field at the age of 3 months with a height of 30-40 cm by opening the plant from polybags and put in a planting hole with a size of 40 x 40 x 40 cm. Manure is given as much as 5 kg / planting hole. How to maintain lerak plants does not require special handling. Weeding and piling up until the plants are 2 years old. Fruit harvest Lerak plants begin to bear fruit at the age of 5-10 years, fruiting season every year, namely at the beginning of the rainy season in November-January. Fruit shape of round marbles, measuring 2 cm in diameter, thin skin with smooth surface, short stems. Ripe fruits are marked in dark green to brown. Fruit harvesting is done by cutting the stems of ripe fruit with bamboo poles that are given a knife or allowed to fall. The fruit that has been picked is dried by drying it so that the seed coat is wrinkled.http://lerakindonesia.com/info/7/lerak-sapindus-rarak–tanaman-industri-pengganti-sabun
What you Can Use All From The Tree?