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Kolang-kaling which is also known by the name of the roof fruit is the name of white fruit is transparent and oval-shaped chewy fruit that has a refreshing taste. Fruit collap-kaling derived from the seeds of palm trees / enau that shaped flat and gummy. Sugar seeds are burnt to charred, then the fruit is removed and boiled for several hours. The boiled fruit is then soaked with a solution of lime water for several days so terfermentasikan.

Kolang-kaling has a very high water content, reaching 93.8% in every 100 grams. Kolang kaling also contains 0.69 grams of protein, 4 grams of carbohydrates, as well as ash content of about 1 gram and 0.95 gram of crude fiber.

One of the benefits of eating fruits is to overcome arthritis. Arthritis causes symptoms of pain in the knee after walking a few minutes or when climbing the stairs so it is very disturbing daily activities. Kolang-kaling can be used as a medicine to relieve the pain.

The way fruits are cooked by boiling way without using sugar or dye. Or it can also be made into sweets by using added sugar and pandan leaves or ginger. It can be consumed daily as a snack of 100-200 grams per day.

The carbohydrates in the frozen meat are generally "galactomannan". In the pharmaceutical world, "galactomannan" is a drug for some diseases such as arthritis. "Galaktomannan" effect analgesic or pain relief so as to reduce pain in arthritis.