Zhengzhou Kun Lee Food Additives Co., Ltd. Contact: Liu Mobile: 13598849000 Tel: 0371-86501522 400-613-3132 QQ: 961652653 Address: Zhengzhou Jingguang Road Logistics two long rows on the 25th http: //www.zzklgs. com / sour agent function of sour agents used in conjunction with other flavorings, food taste can be adjusted flexibly and scientific use sour agent, not only can play the role of seasoning to make food products with the best flavor and texture, but also improve sterilization conditions, plays an integral role in the food production process unique in [2]. Gives a refreshing sour sour given stimulus, although generally more fond of sweets, but pure sweet candy, drinks, jams and other sweet bland diet, eat more tired then, if appropriate ratio with the sweet and sour, can significantly improve their flavor and conceal some of the bad flavor. Therefore, sour agent in food processing is widely used. Adjusting the pH sour agent in food can be used to control the pH of the system, such as gels, dry cool, jelly, soft sugar, jam and other products, in order to get the best product properties and toughness, must be properly adjusted to pH value, pectin gels, particularly the coagulation of cheese. Ilizers reduced pH of the system, can inhibit reproduction of many harmful microorganisms and inhibit undesirable fermentation process and helps acid preservative effect, reduce the temperature sterilization time, reduce the adverse effects of high temperature on the flavor of the food.