A-ketoglutarate (α-KG), as an important organic compound, is involved in A variety of metabolic pathways in organisms, especially in amino acid metabolism and energy production plays a key role. In addition to its application in the pharmaceutical field, α-KG is also widely used in the food industry. Here are some of the main application areas of α-KG in food.

　　1. Nutritional supplements

　　As an essential metabolic intermediate product, α-KG can participate in the synthesis and decomposition of amino acids, which plays an important role in maintaining normal physiological functions. Therefore, it is often added to nutritional supplements, especially sports nutrition, to promote muscle recovery and enhance physical strength.

　　2. Food additives

　　α-KG can be used as a food additive to enhance flavor and keep fresh. For example, it can improve the taste of food, increase the release of flavor substances, and make food more delicious. In addition, α-KG also has certain antioxidant properties, which can help delay the process of food oxidation and deterioration and extend the shelf life.

　　Step 3: Condiments

　　In the production of condiments, α-KG can be used as a freshening agent to enhance the delicious taste of food. Especially in some foods that need to emphasize umami, such as soups, sauces and other products, α-KG can significantly improve the flavor of the product.

　　4. Functional foods

　　In recent years, with the increasing emphasis on healthy eating, the functional food market has developed rapidly. Because of its unique physiological activity, α-KG is added to functional foods, such as sports drinks, energy bars, etc., to help improve the body's energy metabolism level and enhance sports performance.

　　5. Bread and baked goods

　　In breads and baked goods, α-KG can promote the dough fermentation process and improve the texture and taste of the dough. In addition, it can react with amino acids in flour to produce aroma substances that enhance the overall flavor of baked goods.

　　6. Meat products

　　α-KG can be used in the processing of meat products to help improve the quality of meat and make it more tender. At the same time, it can also inhibit the oxidation of meat, maintain the bright color of meat, and extend the shelf life.

　　7. Dairy Products

　　In dairy processing, α-KG can promote the growth of lactic acid bacteria and contribute to the production of fermented dairy products such as yogurt. In addition, it can enhance the nutritional value of dairy products and make them more in line with the health needs of consumers.

　　As a multifunctional compound, α-KG has been widely used in food industry. It can not only improve the flavor and taste of food, but also enhance the nutritional value of food and improve its health function. With the progress of science and technology and the improvement of people's health awareness, the application of α-KG in the field of food will be more and more extensive.