Konjac Extract Details Product Name: Konjac Extract Latin Name: Amorphophallus konjac Part Used: Root Active Ingredient: Konjac Glucomannan Appearance: White to Yellow Powder Specification: Glucomannan 90% Test Method: HPLC CAS#: 37220-17-0 What Is Konjac Extract? Konjac extract is prepared from a kind of perennial herbage plant with low energy, low protein, and high fiber, It is known primarily for its starchy corm, a tuber-like structure that is actually part of the plants stem, but which grows underground and acts as a storage organ for the plant. konjac glucomannan is the main component of konjac extract. Glucomannan is used as a food additive for its thickening and emulsifying properties, and as a nutritional sup…