Calcium Propionate is a calcium salt of propionic acid with the chemical formula C6H10CaO4. Here is a description of calcium propionate and some common uses:

Description: 

•Chemical properties: Calcium propionate is a white crystalline solid, soluble in water. It has a faint sour taste.

•Production method: Calcium propionate can be prepared by reacting propionic acid with calcium hydroxide.

Purpose: 

1. Food preservative: Calcium propionate is a commonly used food preservative, widely used in food and beverage manufacturing. It can inhibit the growth and reproduction of microorganisms and extend the shelf life of food. Calcium propionate is often used in breads, pastries, dairy products, meat products and other foods to prevent the growth of mold, yeast and bacteria.

2. Feed additives: Calcium propionate can also be used as a feed additive for animal feed to inhibit the growth of microorganisms in feed and maintain the freshness and nutritional value of feed.

3. Bread starter: Calcium propionate can be used as starter in the bread manufacturing process. It can inhibit the growth of yeast and mold in the dough, extend the freshness of the dough, and improve the texture and taste of the bread.

4. Tobacco mildew prevention agent: calcium propionate is used as a mildew prevention agent in the tobacco industry. It can inhibit the growth of mold in tobacco, extend the shelf life of tobacco, and improve the quality and taste of tobacco.