First, it works as an emulsifier, enabling liquids that normally don't like one another to mix together second, it works as thickener in liquids and batters;Xanthan gum is a vegan thickening agent that is sourced purely from plants and also works as a stabilizer;In the gluten free cooking, xanthan gum plays the crucial role of imitating gluten in baking, gluten is what makes dough sticky, elastic and viscous