Cannabis carboxyl group: How to activate THC for food

What is a carboxyl group? – When you are dealing with the decarboxylation of cannabis (cooking and baking, this is how you extract the THC), you often come across the term “carboxyl group”. But what does that actually mean? The carboxyl group is a chemical structure (for those who are a little deeper into the subject, -COOH) that occurs in many organic compounds. It influences the properties of a molecule, for example its water solubility or reactivity.

Why is the carboxyl group important in cannabis?

Raw cannabis (cannabis flowers) does not contain THC directly, but THCA (tetrahydrocannabinolic acid). The carboxyl group in THCA prevents it from having a psychoactive effect.

This means that you will not feel a high from eating raw cannabis. Only when the carboxyl group is removed by heat does THCA turn into THC – the substance responsible for the well-known effects of cannabis.

Source: Wikipedia, Carboxyl group / Wikipedia, Hemp preparation.

Why do you have to decarboxylate cannabis if THC is already in the flowers?

In dried cannabis flowers, the majority of the THC contained is not yet chemically present in its active form. Instead, it is present as THCA. This acid form is not psychoactive, which means that if you eat raw cannabis, you will not get an intoxicating effect. The same only happens when you burn cannabis and consume it orally.

How is the carboxyl group removed?

The carboxyl group is removed by a chemical process called decarboxylation. In this process, the “A” (carboxyl group) of THCA is split off by heat, resulting in pure THC. This process happens automatically when smoking or vaporizing, but for edibles and cannabis oils you have to carry out the decarboxylation specifically.

  • Heat causes the carboxyl group to dissolve
  • THCA is converted into THC
  • Only activated THC has a psychoactive effect

The role of the carboxyl group in other molecules

Of course, not only cannabis contains carboxyl groups. They are found in many biological molecules, including amino acids, fatty acids and citric acid. In chemistry, they play a central role in reactions that are vital for our bodies.

  • Acetic acid (e.g. in vinegar) contains a carboxyl group
  • Amino acids, the building blocks of proteins, have carboxyl groups
  • Fatty acids such as omega-3 contain carboxyl groups

Why is the carboxyl group crucial for cannabis edibles?

Remember:

Without the removal of the carboxyl group, THC remains in its inactive form! This is why you must always decarboxylate cannabis before using it in edibles.

Only through this step will you get the full effect in your cannabis oil, butter or tinctures. Now you know why the carboxyl group plays such an important role in the chemistry of cannabis. So when you make edibles, you should always keep this in mind:

Without decarboxylation there is no effect!

Eating cannabis? “Edibles” is the magic word

Now you know how heat turns THCA into THC! If you’ve been wondering all this time, what exactly are edibles? Here’s our big list of all the edibles you can typically buy. In states like California (USA), buying THC is quite normal, but even in the Netherlands, you can already buy them legally and in a wide variety. Fruit gums, lollipops, but also what everyone loves, chocolate!

Buy ready-made, make it yourself, read more about here:

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