Decarboxylating WEED Questions

RandomNigger · May 28, 2015

OK i want to make edibles and I have been researching and have found decarboxylation is what you have to do to active THC from THCA, Wouldn't the THCA already get converted to THC when its cooked into a firecracker? and is there any need to decarboxylate weed if you have a low tolerance like I do ?

I got told to do it you cook your weed at 310F for 15 minutes, Is this a right time ? and if I only do this for about 1 gram of material will it change ?

TLDR:
Wouldn't the THCA already get converted to THC when its cooked into a firecracker?

is there any need to decarboxylate weed if you have a low tolerance like I do ?

cook your weed at 310F for 15 minutes, Is this a right time ?

if I only do this for about 1 gram of material will it change ?

puddleglum · May 29, 2015

Hi RandomNigger!

Let me see if I understand what you are asking:

It sounds like you are saying, "I have done careful research and found some random website with a recipe for making marijuana edibles. (But I am not going to share a link to this website so other people can read the recipe and know what I am talking about; I am going to keep it a secret all to myself.) This mystery recipe has confusing instructions, like specific cooking times and temperatures. Should I carefully follow this mystery recipe, or should I disregard this recipe and do something completely different?"

If this is actually your question, then my answer is, "I recommend you follow the recipe carefully and step-by-step, let us know how it goes, and share the link with the rest of us if you like the results."

shemp99 · May 29, 2015

@puddlegum: You had me at Hi RandomNigger.

@RandomNigger: 310F for 15-20 minutes will decarboxylate just fine, even with 1 gram.

Vesna · May 31, 2015

I just made edibles this morning. I cooked it for 15 minutes at 250, then put it in a firecracker and baked it at 300 for 20 minutes and then 325 for 4 minutes. It took almost three hours to kick in but this is the highest I've ever been. Super couchlocked.

otroo · May 31, 2015

I decarb at 220 for twenty minutes and it works great.

Sent from my iPhone using Tapatalk

nevrmindedness · Jun 2, 2015

this just popped up on the board, thought i'd share. Thoughts anyone?

r0b2021 said:

I forgot to post the interesting decarb method I found elsewhere:
Extraction of pharmaceutically active components from plant materials - GW Pharma Limited

The interesting part was the two step method essentially going:
Pylex dish, gound up material spread around.
Preheat oven 220f and then put in the dish, uncovered, for 15 minutes.
Next turn up the temp to 250f for 60 minutes.

Here is the quoted section since it is a long document and hard to read in some places if you aren't a scientist, which I am not...LOL

Water is then additionally removed, preferably by a stepwise reduction of the vacuum in stages to about 50 mbar.

The decarboxylation step may be carried out prior to or after extraction with liquid CO2.

In a preferred embodiment the decarboxylation step is carried out prior to extraction with liquid CO2 and is conducted by heating the plant material to temperatures and for times which ensure at least 95% conversion of the acid cannabinoids from the acid form to their neutral form whilst ensuring thermal degradation of THC to CBN is less than 10%.

Decarboxylation of cannabinoid acids is a function of time and temperature, thus at higher temperatures a shorter period of time will be taken for complete decarboxylation of a given amount of cannabinoid acid. In selecting appropriate conditions for decarboxylation consideration must, however, be given to minimising thermal degradation of the desirable, pharmacological cannabinoids into undesirable degradation products, particularly thermal degradation of THC to cannabinol (CBN).

Preferably, decarboxylation is carried out in a multi-step heating process in which the plant material is:
â€¢i) heated to a first temperature for a first (relatively short) time period to evaporate off retained water and allow for uniform heating of the plant material; and
â€¢ii) the temperature is increased to a second temperature for a second time period (typically longer than the first time period) until at least 95% conversion of the acid cannabinoids to their neutral form has occurred.

Preferably the first step is conducted at a temperature in the range of 100 C. to 110 C. for 10â€“20 minutes. More preferably the first temperature is about 105 C. and the first time period is about 15 minutes.

If the plant material is derived from cannabis plants having a high CBD content (defined as >90% CBD as a percentage of total cannabinoid content), the second temperature is preferably in the range from 115 C. to 125 C., preferably about 120 C. and the second time period is in the range from 45 to 75 minutes, preferably about 60 minutes. More preferably the second temperature is in the range from 135 C. to 145 C., preferably 140 C. and the second time period is in the range from 15 to 45 minutes, preferably about 30 minutes. In another embodiment, most preferred for a mass of plant material greater than 4 kg, the second temperature is in the range from 140 C. to 150 C., preferably 145 C. and the second time period is in the range from 55â€“90 minutes. The latter conditions are preferred for processing amounts of, for example, 4â€“6 kg of starting plant material and the exact figures, particularly time, may vary slightly with increased mass.

If the plant material is derived from cannabis plants having a high THC content (defined as >90% THC as a percentage of total cannabinoid content), the second temperature is preferably in the range of 115 C. to 125 C., typically 120 C., and the second time period is preferably in the range of 45 minutes to 75 minutes, typically about 60 minutes. More preferably the second temperature is in the range of 100 C. to 110 C., typically 105 C., and the second time period is in the range of 60 to 120 minutes. In another embodiment, most preferred for a mass of plant material greater than 4 kg, the second temperature is in the range of 140 C. to 150 C., preferably 145 C., and the second time period is in the range of 45 to 55 minutes.

Most preferably the decarboxylation step is conducted at temperatures and for times which ensure at least 97% conversion of the acid cannabinoids to their neutral form, whilst ensuring thermal degradation of THC to CBN is less than 5%.

Standard conditions for cannabinoid assays, and methods of calculating cannabinoid content (as %) are given in the accompanying Examples.

The plant material used as the starting material for the extraction process is preferably ground, milled or otherwise processed to give a particle size of less than 2 mm, but preferably greater than 1 mm. Such treatment generally results in improved extraction of cannabinoids from the plant material, as packaging density is improved.
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