Today you will learn everything there is to know about decarboxylation. I’ve also included step by step instructions and two charts that are super easy to follow along.
So let’s jump right in, without any further ado.
Decarboxylation is the magic behind making cannabis a potent additive to food.
THCA (Tetrahydrocannabinolic Acid) is the active component in raw cannabis, and it’s not a psychoactive compound by default.
Cannabinoids in raw cannabis have an extra carboxyl ring in their molecular structure.
This extra carboxyl group gets removed in the process of decarboxylation due to the effect heat has on their chemical structure.
Once enough heat has been applied, the molecule will release a carboxyl group. That carboxyl group then gets replaced with a hydrogen molecule.
This process is pretty much the same for CBD. Both CBD and THC acids are carboxylic acids which tend to decompose directly when heated.
Only complex carboxylic acids decompose under the influence of heat alone.
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As with any other chemical process, there are certain things that need to happen in order for chemical compounds to change their structure.
Decarbing is a process which involves both temperature and time, so it’s all about balancing the two.
Luckily for us, there is a chart.
This is called a decarboxylation chart and it allows you to see how you can reach the desired THC by baking the buds on a specific temperature for a set period of time.
As this chart was based on a strain that can reach a maximum of 15% THC, you can see that the easiest way to reach that amount is by baking cannabis in an oven for about 7 minutes at 300°F (148°C)—or for 20 minutes at 250°F (121°C).
So far, we’ve learned that decarboxylating cannabis is a needed step in making super-potent edibles and that cannabis can be decarbed in several ways, depending on the temperature and the time you bake it at.
We also found out that the easiest way to decarboxylate cannabis is to bake it at a relatively low temperature for about 30 minutes.
Now, here’s a step by step guide:
- Preheat the oven to 250℉. The light should turn off once the oven has reached the temperature.
- Break up your cannabis into small chunks. Don’t grind it, just break it into smaller bits and don’t leave any nugs out.
- Spread the cannabis on a piece of baking paper. Make sure there are no overlapping pieces of cannabis.
- Bake the cannabis at 250℉ for 25-30 minutes. Make sure not to open the oven too often. Decarbed cannabis should change its color from green to light brown.
- After 25-30 minutes, check your cannabis. It should be light to medium brown and should be very dry. If it’s not, put it back in the oven for an extra 5 minutes. Keep an eye on it so it doesn’t burn.
- Remove cannabis from the baking sheet and let it cool off for a while. Careful, it’s going to get very crumbly at this point.
Now, once your cannabis has cooled down sufficiently, you can put it in a food processor and pulse until it’s thoroughly ground (like oregano).
If you’re going to use your decarbed weed in smoothies or drinks, you should continue grinding until you turn it into powder. For food, there is no need to do this.
Decarboxylation temperature is probably the most important factor when decarbing different types of material.
As you can see on the image above, decarbing can be done in 3 different ways—the basic and the most common way is by using an oven, but you can also do it in a hot water bath.
To decarb kief or hash in an oven, bake it for 10 minutes at 300°F (149°C). Have in mind that, on higher temperatures, kief and hash tend to decarb faster than dried flowers.
High CBD strains tend to decarb a bit slower than those with high THC content:
- Decarb high CBD strains by baking them for 15-25 minutes at 300°F (149°C)
- Decarb high THC strains by baking them for 10-15 minutes at 300°F (149°C)
It’s time to put decarboxylation to good use. You can do so by following these guides: