propylene glycol is an organic compound (diol), usually slightly sweet, odorless, colorless and transparent oily liquid, hygroscopic and easily mixed with water, acetone, and chloroform. propylene glycol has a wide range of applications and is often used as a hygroscopic agent, antifreeze, lubricant and solvent in the food, pharmaceutical and cosmetic industries. propylene glycol supply points out: propylene glycol, which is widely used in various industries, is divided into two types: 1,2-propanediol and 1,3-propanediol. 1,2-propylene glycol has good viscosity and hygroscopicity and is widely used in the food, pharmaceutical and cosmetic industries.
propylene glycol has bacteriostatic and sterilizing effects:
as a bacteriostatic agent, propylene glycol is similar to ethanol, and its mold-inhibiting effect is similar to that of glycerin, slightly lower than ethanol;
propylene glycol is extremely stable at room temperature, but is oxidized when left open at high temperatures (above 280°c); it is chemically stable after being mixed with 95% ethanol or water; it can be autoclaved or filtered over-sterilized;
propylene glycol has excellent sterilization ability. it can be used as a preservative and sterilizer for canned fruits, jams, pickled products, ham and sausages;
when propylene glycol when the concentration is above 10%, it can prevent the reproduction of mold in liquid foods, which is effective for the preservation of packaged foods and syrups on the table.
