1、 Glycerol is a common name for glycerol, with a molecular formula of C3H8O3, a molecular weight of 92.09, and a CAS number of 56-81-5. It is a colorless, transparent, and viscous liquid. Boiling point 290 ℃ (decomposition), relative density 1.26362 (20/20 ℃), refractive index 1.4746, viscosity (20 ℃) 1499mPa • s. Glycerol can be mixed with water and ethanol, and the aqueous solution is neutral. Glycerol can absorb moisture from the air and has no odor. In nature, glycerol is widely present in animals and plants in the form of glycerides. Food grade glycerol is a sweetener and moisturizer commonly used in the food processing industry, giving food a smooth, delicious taste and good sensory appeal.

2、 Specific applications of food grade glycerol

1. Applications in Bread, Cake, etc

Food grade glycerol is used as a water retaining and moisturizing agent in bread, cakes, etc. It has strong moisture absorption, maintains a soft texture, and extends shelf life. Using products from companies such as Panpan and Xufuji. Suggested addition of about 6%

2. The application of gum based candies

It mainly includes chewing gum and bubble gum, basically consisting of sugar (or sugar alcohol), syrup, gum base, glycerin, essence, pigment, etc. Glycerin serves as a candy softener, emulsifier, etc. Suggested addition of 0.8-2%

3. Application in beverages such as fruit juice and fruit vinegar

Fruits contain tannins, which are the source of bitterness and astringency in fruits. Glycerol can quickly decompose the bitter and astringent odors in fruit juice and vinegar, enhancing the richness and aroma of the juice itself, with a bright appearance and a pleasant sour and sweet taste. Suggested addition of 0.8-1%

4. Application of fruit wine, Baijiu, wine and other liquors

As a taste improver, sweetener, and deodorizer applied in alcoholic beverages, adding it in moderation can increase the aroma, mellow sweetness, and richness of the wine. Suggested addition of 0.5-1.5%

5. The application of preserved fruits and fruit cakes in the industry

During the processing and production of preserved fruits, storage issues make the products prone to dehydration and drying. Fruits also contain tannins. Food grade glycerol can improve the palatability of preserved fruits, enhance their own aroma, elevate their grade, increase their freshness and sweetness, and enhance their appearance. Glycerin also has special antioxidant and moisturizing effects, so it can lock in the moisture that should be present in the finished fruit and effectively extend the shelf life. The same applies to the use of fruit cakes. Specific usage method: Firstly, mix various dried or roasted fruits with food grade glycerin and other raw materials during processing, and add them to various preserved fruits for pickling. Calculate 1kg of this product for every 100kg of product. 2、 The usage method in fruit cake is to add food grade glycerin to the cooked fruit cake, calculated at 0.8-1 kilograms per 100 kilograms. After adding this product, stir evenly, cool to form, and it can be packaged and put on the market. After adding food grade glycerol to the above two products, they can achieve good results in terms of palatability, color, moisturizing, and antioxidant properties. Suggested addition of 0.8-1%

6. The Application of Dried Meat, Sausage, and Preserved Meat Industry

Dried meat is a food with moderate moisture content. In order to achieve long-term preservation, traditional methods often control the moisture content of the product to around 16% (water activity Aw<0.7) through long-term drying. However, this inevitably leads to dry and hard tissue, poor tenderness, and grayish white color. Adding glycerol as a moisturizer can maintain low water activity conditions, increase moisture content, and improve tenderness. When adding 3% food grade glycerol, the water activity Aw of the product can be reduced to less than 0.7, while the water content is controlled at 20%, resulting in a soft tissue and improved tenderness of the product.

During processing and production, dilute glycerol with pure grain wine above 50 degrees, evenly spray it on the meat or cut meat, and thoroughly rub or stir. It can lock in water, moisturize, achieve weight gain, extend shelf life, and improve product taste, color, and aroma. Suggested addition of 1.2-3%

Specific usage method 1: First, bake the marinated meat jerky and jerky until it reaches the necessary moisture retention. Then, take out and evenly spray food grade glycerin on the dried meat jerky. Rub and knead before processing. The dosage is every 100kg, and add 1.2-1.5kg of this product. 2、 Instructions for using sausages: Cut the meat into 1.2 kilograms of food grade glycerol per 100 kilograms, dilute it with 500 milliliters of pure grain wine with a degree of 50 or above, mix well with 100 kilograms of cut meat, and then add other ingredients as required. After stirring, the sausage can be served.

7. Application in Pet Food

Dried chicken breasts, as a type of pet snack, are widely popular in European and American countries. China is the country that produces and exports the most dried chicken breast products, with nearly 100 million tons annually. European and American countries have very strict requirements for pet food, not only requiring physical and chemical indicators to meet corresponding standards, but also having high requirements for product appearance. The appearance requirements for dried chicken breast products are red, smooth, and free of fat, blood stasis, white silk, and dry cracks. Adding food grade glycerin as a moisturizer effectively prevents cracking and improves product appearance. Add about 2% food grade glycerin to the dried chicken breast to achieve the ideal appearance of the dried chicken breast product.