A brief introduction to glycerin
Glycerin, colorless, odorless, sweet taste, the appearance of clear viscous liquid, is a kind of organic matter. It can absorb moisture from the air, also can absorb hydrogen sulfide, hydrogen cyanide, and sulfur dioxide, commonly used as a moisturizer, sweetener, antifreeze, plasticizer, emulsifier.
Type and source of glycerin
Glycerol is divided into natural glycerol and synthetic glycerol. Natural glycerin is made from natural oils and fats (animal and plant lipids). The production process of natural glycerin includes hydrolyzed palm oil, saponified glycerin and so on. The glycerol of hydrolyzed palm oil is the best glycerol with low impurity and high purity.
Storage of glycerin
Glycerin is a general non-dangerous chemical, easy to absorb water, should be sealed in a clean and dry storeroom, and oxidant, nitric acid isolation storage.
Medical grade, food grade, 99.5%, 95%
Application of glycerin in the food industry
1.Bread and cake
Food grade glycerin is used in bread, cake, etc. As a hydrating humectant, with strong hygroscopicity, keeping soft texture and prolonging shelf life.
2.Gum based candy
Mainly includes chewing gum and bubble gum two kinds, basically has sugar (or sugar alcohol), syrup, gum base, glycerin, essence, pigment and so on composition. Glycerin as candy softener, emulsifier, etc.
3.Fruit juice, vinegar, and other beverages
Fruit contains tannin, is the bitter fruit, astringent odor source. Glycerin can quickly decompose the fruit juice, fruit vinegar bitter, astringent odor, enhance the thick flavor and flavor of the juice itself, appearance bright, sweet and sour palatability.
4.Fruit wine, white wine, wine, and other alcoholic drinks
Glycerin as a taste improver, sweetener, in addition to bitter mixed flavor agent in the application of wine, the right amount of addition can increase the aroma of wine, alcohol sweet, dense.
5. Dried fruit, fruit cake
Dried fruit in processing production, because of storage problems make the product easy to lose water, dry hard. Tannins are also found in fruit. Food grade glycerin can quickly inhibit the tannin in preserved fruit hyperplasia, improve the palatability of preserved fruit, enhance their own flavor, improve the grade of preserved fruit, increase the freshness and sweetness of preserved fruit and the appearance of the most feeling, extend the shelf life.
In the boiled fruit cake to add food-grade glycerin, in palatability, color, moisture, antioxidant, and other aspects, can play a better effect.
6. Dried meat, sausage, bacon
In the process of production, the glycerine with 50 degrees above pure grain wine diluted, evenly sprayed on the meat or cut in the meat, fully knead or stir. It can lock water, keep wet, gain weight, extend shelf life, improve taste, color and fragrance.
7. Chinese and western pastry
Flour food, especially frozen dumpling skin, steamed stuffed bun and other flour food, add appropriate food-grade glycerin, can effectively play the role of moisturizing agent and emulsifier so that the product antifreeze does not crack, unique flavor, soft and delicious, strengthen the taste of flour products.