Improve economic benefits, promote consumption upgrading, and help security. What is a central intelligent kitchen? With the continuous development of the economy, China's industry has ushered in a golden period of development. In the new era, "central kitchen" has become an inevitable trend of food industrialization with its advantages in cost control, centralized procurement, standardized operation and processing and distribution. According to the definition in the Standards for Examination of Central Kitchen License formulated by the US Food and Drug Administration, a central kitchen refers to a unit set up by a catering chain enterprise, which has independent places and facilities, centrally completes the processing and production of finished or semi-finished food, and directly delivers it to catering service units. The extract of Spenger's yeast itself is an excellent flavor carrier. Only a small amount can improve the flavor and freshness, which is helpful to improve the overall flavor of food, enrich the taste, reduce the salt by 30% and improve the overall flavor. At present, it has been widely used in various semi-finished dishes, convenience foods, soups, sauces, seasonings and other fields in Zhongyang kitchen.