Hydrogel is a colloid gel in which water is dispersed. The production of hydrogel from iles-iles glucomannan in Indonesia has never been studied. Results showed that with the help of sodium phosphate to form a cross bond, iles-iles glucomannan was able to form hydrogel with the capacity to absorb water up to 31% with a yellowish white color. It was expected that this hydrogel would be useful as a medium of transferring medicine into the body as, unlike commercial hydrogel made from polyacrylamide, it is not carcinogenic.
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