Guangzhou ZIO Chemical Co., Ltd. is one of the leading manufacturers and suppliers of glycerine for food in China. Welcome to buy bulk high quality chemicals in stock here from our factory. For price consultation, contact us.
Glycerol, also known as propylene glycol, is a colorless, transparent, sweet-tasting viscous liquid with strong hygroscopic properties. It naturally exists in animal and plant oils and is also an important by-product in the soap industry and biodiesel production. Glycerol is a recognized safe compound and is listed as an additive that can be used in moderation in food production. It also has nearly 2,000 applications in the fields of medicine, cosmetics, and industry.
The application and characteristics of glycerol in the fields of food, cosmetics, etc.
I. Food and Beverage Industry
Moisturizing and Preservation: Glycerin is an extremely powerful moisture-absorbing agent. It is widely used in baked goods such as bread and cakes. It can effectively lock in moisture, prevent starch from aging, maintain the softness of the product, and extend the shelf life.
Sweeteners and Taste Enhancement: In beverages, fruit wines, and fruit juices, glycerol can neutralize sourness, enhance the smoothness and aroma, and impart a mild sweetness (with a sweetness level approximately 60% of that of sugar).
Quality improvement and anti-cracking: It can improve the texture and prevent drying in meat jerky and sausages; it softens, moisturizes and prevents crystallization in dried fruits and candies; and it helps emulsify in ice cream, making the texture smoother.
Solvent and Carrier: As an excellent solvent, it is used to dissolve non-water-soluble additives such as pigments, fragrances, and preservatives, and is also employed as a lubricant for packaging machinery in food processing.
II. Medicine and Clinical Practice
Laxative and Defecation Aid: Glycerin is the main active ingredient in suppositories. When administered rectally, it can lubricate the intestinal wall, soften the stool, and stimulate rectal contraction to trigger the defecation reflex. It is used to treat constipation.
Dehydration and Hypotension: Oral or intravenous administration of high-concentration glycerol solutions can be used as hypertonic diuretics to lower intracranial pressure and intraocular pressure (such as in the treatment of cerebral edema and glaucoma).
Drug excipients and matrices: Widely used as formulators and humectants for suppositories, ointments, and creams, they can increase the elasticity of the drug, prolong its retention time on the skin, and promote penetration.
III. Cosmetics and Personal Care Products
Classic Moisturizer: As the most fundamental and widespread moisturizing ingredient, the hydroxyl groups in its molecules can firmly hold onto moisture, replenishing water to the skin's stratum corneum. It can be found in almost all skin care products.
Skin sensation adjustment and lubrication: It can increase the viscosity and smoothness of cosmetics, and is often used in products such as lip balms and hand creams. It has a good moisturizing effect on dry skin.
Usage restrictions: High concentrations (>50%) of glycerin can reversely absorb moisture from the skin, causing a burning or stinging sensation; in low humidity environments, the moisturizing effect will be greatly reduced.
IV. Industry and Chemicals
Basic chemical raw materials: They are essential raw materials for the production of nitroglycerin (a raw material for explosives), alkyd resins, polyurethane foams, etc.
Antifreeze and lubricants: Utilizing their low freezing point property, they are used as antifreeze for aircraft and automobiles, and also as lubricants for mechanical equipment.
Other industrial additives: Widely used in industries such as tobacco moisture retention (to prevent brittleness), textile printing and dyeing (for moisture absorption and lubrication), papermaking (for plasticity enhancement), ceramics, and leather.
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