What is Glycerin USP? Glycerin USP is Kosher a product that is manufactured from glycerol. Glycerol is a by product of the processing of animal fat or vegetable products. The designation of USP means the final product has been certified and is approved for use in food and beverages. It is also commonly used a a sugar source in products such as twinkies. For applications that are not food and beverage related, you may choose to use a non USP certified glycerin product. The difference is only certification and final packaging. Final packaging of a product designated as USP must be performed in a class 8 clean room and must come with a COA.
What does Vegetable Glycerin mean? The term Vegetable is used to describe what type of glycerol was used to produce the glycerin. So if the product is referred to as Vegetable Glycerin, it is a vegetable glycerol that was used to produce the final glycerin product. If the product is just called glycerin, it may have been produced by vegetable glycerol, animal fat glycerol, or a combination of both.
What is the difference between the term glycerin and glycerine? Names are used to identify everything. The way this chemical product used to be identified was "Glycerine", but there has been a gradually transition to its identification as "Glycerin". There is no difference between the products.
What is the difference between Glycerol and Glycerin? There is a HUGE difference. Glycerol is the by-product used to create the final product glycerin. These are not the same product. There are many different grades of glycerol and dilution rates. Do not confuse the two. There are no glycerol solutions that may be used in food. If you are needing a product to use in food it must be designated as Glycerine USP or Glycerin USP.