Xanthan Gum: 1.food grade Xanthan Gum 2.Dispersible Oil Drilling Grade Xanthan Gum 3.Oil Drilling Grade Xanthan Gum Xanthan Gum, which is mainly made from starch, is a high molecular weight polysaccharide produced by fermetation with xanthomonas campestris under the conditions of special nutrient medium, PH, O2-supply and temperature, the purified, dried and miiled into white-like or light-yellow ...