GELLAN GUM can be used as a thickener; Gelling agent; Stabilizer and gelling agent, used in biochemical research. It is a substitute for agar secreted from Pseudomonas sp. It is a mixture of glucuronic acid, rhamnose and glucose. It has the characteristics of colorless, transparent and high toughness, and is the main component for preparing plant tissue culture media and microbial culture media. Because it overcomes the inherent defects of traditional agar in plant tissue culture, it has brought a new revolution to botanical research and has become the internationally recognized preferred product for plant tissue culture.