Konjac Plant

The konjac plant (Amorphophallus konjac) is native to Asia and has been used for centuries in traditional Asian cuisine. Its corm, or underground stem, is the part most commonly used. The corm is dried, ground into a flour, and then processed to extract glucomannan, a soluble dietary fiber.

Konjac flour, primarily its glucomannan fiber, is used as a low-calorie thickener and gelling agent in food products. It is often found in "shirataki" noodles, jellies, and as a fat replacer in desserts and sauces. Its ability to absorb water and create a gel-like consistency makes it useful for mimicking the texture of other foods.

Konjac glucomannan is generally recognized as safe (GRAS) by the FDA for use as a food ingredient. It is a source of soluble fiber, which may help with feelings of fullness and support digestive health. JECFA has evaluated konjac and established an acceptable daily intake. Some studies suggest it may help manage cholesterol and blood sugar levels, but more research is needed to confirm these effects.