... widely used in more than twenty industrial fields,such as food, pharmaceutical,fine chemical,agriculture,oil drilling and exploitation,and ... freeze/thaw stabilizer.4,Satisfying compatibility with acid,alkaline,brine,enzyme,surface active agent,antiseptic,oxidant and other thickener.5, ... environment. 1983, FAO/WHO approved xanthan gum as safe food additive and didn't limit its additional ratio. As a ...