What are e-liquid flavour concentrates?

What are vape concentrates made out of
The variety of e-liquid flavours available to vapers today is quite simply incredible.

In order to discuss e-liquid flavours and the flavouring concentrates used, you need to look how vaping has evolved:
Going back a few years when vaping started to become more common in the early 2000's, you were limited to cig-alikes which only came in tobacco flavours. They were a poor emulation at best, tasting as if you put a load of tobacco in your mouth and chewed on it. They ranged from cigarette tobacco to pipe tobacco, if you were lucky you could find a fruit flavour. All the "cartomizers" that contained the coil and liquid were sealed, so what you get is what you got.
Then vape pens then came out, and gave the vaper the ability to use an atomizer (tank) that you could open and fill up with your choice of e-liquid. This changed the game.
Now you could buy flavoured e-liquid to put in your vape pen. So e-liquid manufacturers started producing all kinds of flavours, predominantly fruits, but the selection was extensive to say the least. Fruit cocktails, drinks and candy flavours became popular.
When sub ohm vaping started to boom in around 2012 and there became more focus on e-cigarettes in general, more and more e-liquid manufacturers came on to the scene which encouraged competition and therefore a need to come up with new and exciting flavours. From then on, you could get flavours like lemon meringue pie, deep fried strawberry ice cream, snickers milkshake and blueberry pancakes and maple syrup.
The range is always growing…
How do you get these kinds of flavourings in vapes?
You might be asking yourself; How do you get these kinds of flavourings in vapes? Well, this is where it gets a little complicated. E-liquid flavourings usually contain artificial food flavourings. To put it simply, these food flavourings are chemicals, some are naturally found in fruits, some are acquired through various chemical extraction processes.
For example, to name a few of these flavourings:
Isoamyl Acetate
Isoamyl Acetate (Banana and Pear flavouring) is produced from Isoamyl Alcohol, a compound which is produced by fermentation and also used to create synthetic apricot, cherry, orange and plum flavours.
Methyl anthranilate
Methyl anthranilate naturally occurs in concord grapes, as well as lemon, orange and strawberry. Combined with ethyl acetate and ethyl butyrate, it creates the flavour of apple, another commonly used food flavouring.
Ethyl maltol
Ethyl maltol is used as a sweetener in a lot of e-liquids and is an organic compound which has an aroma reminiscent of caramelised sugar or candyfloss. It is derived from maltol, a naturally occurring chemical which contributes to the aroma of baked goods.
Conclusion

These chemicals are typically extracted from natural sources, which is a good thing! The extraction process sounds very artificial, however the chemical that is left at the end of the extraction is essentially found in nature.

The chemicals are then mixed with vegetable glycerin, propylene glycol and nicotine. The most complicated part of the e-liquid is probably the flavouring. A lot of companies spend years perfecting the right ratio of flavours to bring you a perfectly balanced vaping experience.
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