Konjac, which is also called JURUO in Chinese, is herbaceous perennial belonging to Araceae.Konjac mainly grows in Asia. Its major ingredient is glucomannan contained in its tuber. Most of konjac plants grow on mountains and hills with an altitude between 600 meters and 2500 meters. Konjac requires the growing environment with an annual average temperature of about 16℃. China has long history on konjac grown.

The Konjac,which is mainly composed of glucomannan in its tuber,is a healthy food with low calorie,high dietary fiber and low protein,is also a great food additives with the properties of watering holding,thickening,stabilizing,suspending,gelling and film forming.