... which is mainly made from starch, is a high molecular weight polysaccharide produced by fermentation with Xanthomonas Campestris under the conditions ... chemical, agriculture, oil drilling, and so on. Comparing with other kinds of gum, xanthan gum has many advantages.1 ... large range of temperature and PH change.4. Stable compatibility with acid, alkaline, brine, enzyme, surface active agent, antiseptic, ...