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Jiangsu Yiming Biological Technology Co., Ltd., founded in August 1998, is a high-tech enterprise integrating R&D, manufacturing and sales. It boasts three modernized factories covering a total area of 175,000 m2 in Jiangsu province. It also has an R&D base with a team of more than 30 professional researchers. The company is now a member of the China Food Natural Additives & Ingredients Association (CFAA) and China Biotech Fermentation Industry Association (CBFIA). It have natural preservatives for beverages, sausage binder, curdlan in food, yoghurt enzymes,etc.

Each year, about 10%–20% of agricultural and sideline products, aquatic products, fruits and vegetables rot around the world, causing huge economic losses and endangering human health. To resolve this problem, food preservatives are added to food to fight spoilage caused by bacteria, molds, fungus, and yeast. Preservatives can keep food fresher for longer periods of time, extending its shelf life. The commonly used food preservatives are also used to slow or prevent changes in colour, flavour or texture and delay rancidity. In addition, preservatives can be applied in medicine, pharmaceuticals, cosmetics and personal care products.

Compared with artificial preservatives (benzoic acid, sodium benzoate, sorbic acid, potassium sorbate, calcium propionate, etc.), natural food preservatives used in food processing are much less harmful to the human body and have advantages of strong antibacterial activity, safety, no toxicity, good water solubility and thermal stability as well as a wide range of applications.

With customers' pursuit of green and healthy food increasing, Yiming started developing natural preservatives in 2010. By now, Yiming has realized large-scale production of ε-Polylysine and other types of natural food preservatives. We can also provide solutions and customize products according to customers' diversified needs.

There have different preservatives used in food, include preservatives used in canned food, preservatives used in biscuits, permitted preservatives, food grade preservatives,etc. Which can make a list of preservatives used in food.