The difference between konjac gum and konjac powder lies in different raw materials and manufacturing methods, and different physical properties and uses.

1. Konjac gum is made from glucomannan in konjac, and Konjac powder is made from dried konjac by physical or chemical treatment. In the process of making konjac gum, the purity of glucomannan is required to be high.

2. Amorphophallus konjac gum has jelly-like texture, soft and glutinous taste and certain elasticity, while Amorphophallus konjac powder is powder, which can be used to make foods such as konjac tofu. In addition, konjac gum is often used as food thickener, which can increase the viscosity and taste of food.