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Learn About E-Liquids: VG Based E-Liquids

Learn More About Vegetable Glycerin

 

E-Liquid is the fluid used with electronic cigarettes that is heated with an atomizer in order to produce flavours (and optionally nicotine) which can then be inhaled in the form of a vapour. Vegetable Glycerin (or Vegetable Glycerol) is a common component of E-Liquid. Glycerol (also called glycerine or glycerin) is a simple polyol (sugar alcohol) compound. It’s a colourless, odourless liquid that is widely used in pharmaceutical formulations.

An E-Liquid will typically contain either Vegetable Glycerin (VG), Propylene Glycol (PG) or both - and these are the ingredients in E-Liquids that give off the smoke-like vapour. The Vegetable Glycerin in VG E-Liquid also gives the E-Juice a sweet taste, which some vapers find preferable. VG E-Liquid tends to be a thicker consistency than PG based E-Liquids. This means that thicker plumes of smoke can be produced from vaping VG E-Liquids.

 

Glycerin in Food

Because Glycerol is sweet-tasting and generally considered non-toxic, it is often used in food and drink as filler in commercially prepared low-fat foods (because it is lower in calories than sugar), and as a thickening agent in alcohol. It’s also used as a preservative and a sweetener. Unlike sugar, it does not form plaque or cause dental cavities.

As used in food, glycerol is categorized by the American Dietetic Association as a carbohydrate. Glycerol has a caloric density similar to sugar, but a lower glycemic index and different metabolic pathway within the body, which means that dietary advocateswill accept glycerol as a sweetener compatible with low carbohydrate diets.

It’s also recommended as an additive when using polyol sweeteners, due to its heating effect in the mouth, if a cooling effect isn’t wanted.

 

Glycerin in Pharmaceutical Products

Glycerol is used in allergen immunotherapies, cough syrups, expectorants, toothpaste, mouthwashes, skincare products, shaving cream, hair products and soaps. It’s widely used in toiletry products, mainly as a means due to its ability to provide smooth consistency and to act as a humectant. Glycerol may also be used in tablets as a tablet holding agent. 

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