黄原胶，又名汉生胶，是由野油菜黄单胞杆菌以碳水化合物为主要原料( 如玉米淀粉) 经发酵工程生产的一种作用广泛的微生物胞外多糖。它具有独特的流变性，良好的水溶性、对热及酸碱的稳定性、与多种盐类有很好的相容性，作为增稠剂、悬浮剂、乳化剂、稳定剂，可广泛应用于食品、石油、医药等20多个行业，是目前世界上生产规模最大且用途极为广泛的微生物多糖。
       Xanthan Gum, also known as Hanshengjiao, is a widely used microbial exopolysaccharide produced by Xanthomonas Campestris through fermentation engineering with carbohydrate as the main raw material (such as corn starch) . It has a unique rheological property, good water solubility, thermal and acid-base stability, and a good compatibility with a variety of salts, as thickener, suspending agent, emulsifier, stabilizer, can Be widely used in food, oil, medicine and more than 20 industries, is the world's largest production and the use of a wide range of microbial polysaccharides.