... .Oil Drilling Grade Xanthan Gum Xanthan Gum, which is mainly made from starch, is a high molecular weight polysaccharide produced by ... industrial fields, Such as food pharmaceutical, fine chemical, agriculture, oil drilling, and so on. Comparing with other kinds of gum ... found in salad dressings and sauces. It helps to prevent oil separation by stabilizing the emulsion, although it is not an emulsifier ...