what is gellan
Gellan is a popular gelling agent and comes in two varieties, high acyl or low acyl. High acyl gellan typically results in soft, elastic gels while low acyl gellan creates hard, brittle gels. They are often used together to create a variety of textures. They can also be used in spherification.
Gellan Gum is a water-soluble polysaccharide produced by fermentation. This multifunctional gelling agent can be used alone or in combination with other products to produce a wide variety of interesting textures.