Food additive what is lactic acid

Introduction: many people ask what is lactic acid, a food additive? As a natural acid regulator, lactic acid can be used in bread, cake, biscuit and other baked food for seasoning and bacteriostasis, and can improve the quality of food, maintain the color and prolong the shelf life Do you know what is the food additive lactic acid? Where is this food additive used? Let's go to Baibai safety net to understand it? Lactic acid (IUPAC scientific name: 2-hydroxypropionic acid) is a compound, which plays a role in a variety of biochemical processes It is a kind of carboxylic acid with the molecular formula C3H6O3 It is a carboxylic acid with hydroxyl group, so it is an α - hydroxy acid (AHA) In the aqueous solution, the carboxyl group of ch3chohcoo releases a proton to produce the lactate ion ch3chohcoo During fermentation, LDH converts pyruvate to L-lactate Lactate is constantly produced in general metabolism and exercise, but its concentration generally does not rise 1) Lactic acid has a strong antiseptic and fresh-keeping effect It can be used in wine, beverage, meat, food, pastry making, vegetables (olives, cucumbers, pearl onions) pickling, can processing, food processing, fruit storage It has the functions of adjusting pH value, bacteriostasis, prolonging shelf life, adjusting flavor, maintaining food color, improving product quality, etc; 2) In terms of seasoning, the unique sour taste of lactic acid can increase the taste of food Adding a certain amount of lactic acid to salad, soy sauce, vinegar and other seasonings can maintain the stability and safety of microorganisms in the product, and make the taste more mild; 3) Because the acidity of lactic acid is mild and moderate, it can also be used as the first choice of the carefully prepared soft drinks and fruit juices; 4) When brewing beer, adding proper amount of lactic acid can not only adjust pH value to promote saccharification, but also help yeast fermentation, improve beer quality, increase beer flavor and prolong shelf life It can be used in liquor, sake and fruit wine to regulate pH, prevent the growth of mixed bacteria, enhance the sour taste and refreshing taste; 5 Buffered lactic acid can be used in hard sugar, fruit sugar and other candy products, with moderate sour taste and low sugar conversion rate The lactic acid powder can be used as the powder of all kinds of sweets, and as the powder acid; 5) Natural lactic acid is the natural inherent component of dairy products, which has the taste of dairy products and good anti microbial effect It has been widely used in the preparation of yogurt, cheese, ice cream and other foods, and has become a popular sour agent for dairy products; 6) Lactic acid powder is a direct acid regulator used to produce buckwheat head Lactic acid is a kind of natural fermentation acid, so it can make bread have a unique taste; as a natural acid regulator, lactic acid is used for seasoning and bacteriostasis in bread, cake, biscuit and other baked food, and can improve the quality of food, maintain color and prolong the shelf life Nowadays, many foods have food additives, so what is food additives? In fact, food additives are synthetic or natural substances added into food to improve the quality of food such as color, fragrance and taste, as well as the needs of antisepsis and processing technology Some food additives are harmful to human body, but China's food safety detector can accurately check whether the food is safe or not, and whether there is excessive use of additives, so that we can eat food more safely If you want to know more about food additives, please go to Baibai safety net Editor in charge: he xianrob