Yeast extract is the common name for various forms of processed yeast products made by extracting the cell contents (removing the cell walls); they are used as food additives or flavorings, or as nutrients for bacterial culture media. They are often used to create savoury flavours and umami taste sensations, and can be found in a large variety of packaged food including frozen meals, crackers, snack foods, gravy, stock and more. Yeast extracts in liquid form can be dried to a light paste or a dry powder.Yeast extract riches in nutrition,it has been widely used in food industry.

The combination between ceramic membrane technology and UF technology is providing optimum clarification process to replace DE traditional method which can achieve maximum yield ,reduce cost and waste, and realize automated, reliable, convenient operation and maintenance.