Decarboxylation

Cannabis produces phyto cannabinoids in a carboxylic acid form that are not orally active at least at the CB-1 receptor sites, because they don’t readily pass the blood brain barrier in their polar form.

To enable them to pass the blood brain barrier, they must first be decarboxylated, to remove the COOH carboxyl group of atoms, which exits in the form of H20 and CO2.

Decarboxylation occurs naturally with time and temperature, as a function of drying, but we can shorten the amount of time required considerably, by adding more heat.  The more heat, the faster it occurs, within reasonable ranges, and in fact occurs spontaneously when the material is burned or vaporized.

There is another mechanism at play however, which suggests that we need to control the decarboxylation temperatures carefully.

When we heat cannabis to convert the THCA and CBDA into THC and CBD, we are also converting THC to CBN at a faster rate.  At about 70% decarboxylation, we actually start converting THC to CBN at a faster rate than we are converting THCA to THC, so as you can see by the following graph, after about 70% decarboxylation, the levels of THC actually start to fall sharply.

That of course means that the CBN also begins to rise and the medication is becoming more sedative.

Thank you Jump 117 for this excellent graph!

Decarboxylation Graph-1-1

Decarboxylation graph

Another fly in the ointment, is that we can never know for sure exactly what the starting state of decarboxylation is, so the times at temperature shown on the graphs are an average.

We can’t expect dry material placed in an oven at any given temperature to be that uniform temperature throughout instantly upon placing it in a heated oven, nor know for sure the state of decarboxylation by simple observation.

Decarboxylating plant material, also alters the taste (roasted/toasted), which some find less agreeable, and of course decarboxylating also evaporates away the smaller Monoterpenes and Sequiterpenes alcohols, phenols, ketones, aldehydes, ethers, and esters.

The good news is that it is dirt simple to monitor the state of cannabis oil decarboxylation placed in a 121C/250F hot oil bath, because you can watch the CO2 bubble production.

Just like the curves suggest, CO2 bubble production will proceed at its own observable rate. By keeping the puddle of oil lightly stirred on the bottom and in the corners of the pot (I use a bamboo skewer), so as to keep the bubbles broken free and floating to the top, you can tell exactly when the bubble formation suddenly tapers off at the top of the curve.

That is the point that we take it out of the oil for maximum head effect, and we leave it in until all bubbling stops, if we want a more sedative night time med.

Here are a couple pictures of what oil looks like when boiling off the residual butane.  Residual butane or alcohol produces larger, randomly sized bubbles, and is fully purged, when they cease.

I am seemingly missing the middle picture of the CO2 bubbles, so I will add it later, but the second picture shows what fully decarboxylated oil looks like.

Residual solvent bubbles above:

Quiescent oil.

450 responses to this post.

  1. Posted by Erly on July 15, 2015 at 12:02 PM

    Frazer. Good post. I’ve been doing something quite similar. Do you change your oven Temps/time if using different quantities for decarbing? And does it matter if the mason jar has that “rubbery-like” seal inside the lid?

    Reply

  2. Posted by tj on June 25, 2015 at 11:54 AM

    so if I was making a butter what temperature would I want that butter to reach and for how long to maximize my THC content and not lose medicinal values? my email isTravisfrederiks@gmail.com any help would be greatly appreciated

    Reply

  3. Posted by Erly on June 23, 2015 at 8:41 AM

    Can some one please give a proper recipe for a coconut oil extraction for high THC potency?

    Reply

    • Posted by Frazer on June 30, 2015 at 10:41 AM

      Use a mason jar and seal your medicine inside it and decarb in the oven at 300 degrees for 20 mins, then 275 degrees for 20 mins. Then allow your jar to cool before opening. I usually use about 10g of quality buds for a good taste, per half cup of coconut oil.

      Take your now toasted buds and put them in a coffe grinder (yes you should do this) and mulch it up super fine. put the mulched up bud back into the mason jar, dont spill it haha, and add a half cup of melted coconut oil to the jar, stir, and re-seal it.

      Get a pot of water lightly simmering and place your jar into the water like a double boiler (put a small bowl or something in the pot so the mason jar doesnt sit directly on the bottom).
      Boil this oil and bud mixture for 2-3 hours adding water to the pot when needed and when your done you will have b-e-a-utiful fully active oil for brownies or whatever you want. The secret is the mason jar, its like a little pressure cooker. Works everytime.

      Reply

      • Posted by Frazer on June 30, 2015 at 10:44 AM

        oh btw I never strain out the solids because it’s ground so fine it cant be noticed. If you want to I guess you could but I think its wasteful

        Reply

        • Posted by Erly on July 15, 2015 at 12:10 PM

          Frazer. Good post. I’ve been doing something quite similar. Do you change your oven Temps/time if using different quantities for decarbing? And does it matter if the mason jar has that “rubbery-like” seal inside the lid?

          Reply

      • Based on what I’m seeing on the graph above and the times are temperatures you are quoting i would have to guess that high THC potency oil is not what you’re making. According to the graph, just your first 20min session at 300º is too long by about 13 minutes. I do this fairly often and I’ve been mess around with my technique and I feel like about 25-30 minutes at 240ºF is right for decarbing ground flower in a mason jar in a preheated over. Don’t forget to shake the jar a few times during decarbing too other wise the flower sitting against the glass will be overdone and the center stuff underdone. When my stuff looks right it gets to be dark green but not brown. It looks like AVB that has barely been vaped. If I decarb until it turns brown (40-45 minute range) I find I lose a lot of the head effect, which I assume is THC. Also you’re not wasting anything by failing to decarb your THCa entirely, THCa taken orally isn’t psychoactive, but it is thought to have many other beneficial effects.

        Reply

        • Posted by Glenn Ross on July 25, 2015 at 11:01 AM

          I just heard a radio blog with a rep. from Skunk pharm and Jannet Sweeny and Timothy Tipton. Anyway I heard your person say butane is safe. I want to know at how many parts per million is it safe. ? It was a show about solvents

          Reply

          • The American Conference of Government Industrial Hygienists set the limits at 800 ppm in the Am. Conf. Of Gov. Ind. Hygienists ACGIH 2000 Edition

            Fire is the greatest potential hazard, and Flammability limits in air (STP conditions) are 1.5-8.5% by volume.

            n-Butane is a Class III FDA solvent, to which they have the following to say:

            Class 3 includes no solvent known as a human health hazard at levels normally accepted in pharmaceuticals. However, there are no long-term toxicity or carcinogenicity studies for many of the solvents in Class 3.

            Available data indicate that they are less toxic in acute or short-term studies and negative in genotoxicity studies. It is considered that amounts of these residual solvents of 50 mg per day or less (corresponding to 5,000 ppm or 0.5 percent under Option 1) would be acceptable without justification. Higher amounts may also be acceptable provided they are realistic in relation to manufacturing capability and good manufacturing practice (GMP

    • Here is a great youtube video that will explain a lot on making Coconut oil in the crock pot.I have made a couple batches now and It seem to work well for me.

      Reply

  4. Posted by Dennis on May 23, 2015 at 7:10 PM

    What is the best oil to diffuse cannabis?? Almond oil, extra virgin olive oil, coconut oil. Or another oil??? And why?

    Reply

  5. Posted by Vicky on May 22, 2015 at 10:10 AM

    I have a question about the decarb process you described. I like to make canna caps using coconut oil. I’ve made them over a dozen times using the Decarboxylation process in the oven and crock pot for 6 hours or more on low. They are very high in CBDs (body high) and help with my medical issues and do have some “head high” but not like smoking.

    I would like to make a batch that are high in THC and I really think the decarb process is vital here. My question is, if its the heat (220 f) that changes the THCa to THC then would it make a difference if you put the raw bud in the crock pot at a higher setting (using thermometer that sits in the oil) keeping the temperature at 220 f, then after the alloted time, lower the temperature and let it cook on warm for the 4 – 6 hours. It makes sense but have not seen this suggested anywhere. I would think the benefit of this is not having the THCs evaporate like they could in dry heat.

    It would be helpful if anyone has tried this with any luck. Thanks in advance.

    Reply

  6. Posted by OldOyler on May 15, 2015 at 3:33 AM

    Peace all! Just wanted to point out that the graph is talking about decarb temps for a hexane-extracted hash oil (note is on bottom of graph) that is waiting to be “finished” (final purge and decarb).

    Trying to transfer this chart’s info exactly over to a different starting material and different desired finished products (I.e. – brownies instead of oil) is probably not the best way to go to be accurate – use a chart specific to your process.

    Lots of peace to the skunk pharm!

    Reply

  7. […] cannabis gives off carbon dioxide as well as boiling off residual moisture, and I was aware that some good folks up in Oregon talked about seeing it happen directly in oil, so I decided to give it a shot. I turned up the temperature all the way to 250°F, and set it for […]

    Reply

  8. Hi there…

    Does anyone here know if there’s a better/different temperature or procedure for decarboxylating a CBD-rich strain?

    Reply

    • Hippie I’ve found that decarb on 250 degrees fh for 30 minutes yield the best results. I’ve tried a few different temperatures and this one is best plus I have a chemical tester and once I’m done with the cooking “crock pot on high for 4 hrs covered with foil” I test content and this has the highest % yield.

      Reply

    • Posted by Chad on June 16, 2015 at 8:19 AM

      Cbd rich strain, first temp 220 degrees Fahrenheit for 15 min, then 248 degrees Fahrenheit for 60 min. I found tho on another site. Thank you Cannabis Chris.

      Reply

  9. Posted by Jose on April 23, 2015 at 9:55 AM

    Ones its decarboxynate, do i really need to cook it again with butter or anything else to consume? Or can i just eat it raw and still get high?

    Reply

    • Posted by elizabeth on May 14, 2015 at 5:47 PM

      what works best for me is decarbing at 210 for 40 minutes, sprinkle about .25 on a cracker generously covered in nutella, and cover with another nutella covered cracker. Then cook for another 20 min at 220, and consume those. This has been the best method for the effects I desire, with tweaking here and there to improve the quality. Be willing to accept that you might not do it perfectly the first time, but it takes pracTice and is worth it!

      Reply

      • Posted by elizabeth on May 14, 2015 at 5:52 PM

        Also, .25g, sorry I forgot to specify. If you look up the recipe for firecrackers It’s a good guide, but like I said with practice you will find what works for you.

        Reply

  10. Posted by MattMatt on April 21, 2015 at 3:25 PM

    not necessarily, depends how the oil was made. There are lots of ways to extract oil from cannabis with little to no heat (like BHO, CO2 extraction, oil extractions, etc.) and even the methods that use heat often do not involve enough cooking for full decarb. For example the Rick Simpson process of boiling off alcohol or naptha in a rice cooker will only partially decarb at best and more cooking is required to finish decarboxylation

    Reply

    • Posted by Mike on May 21, 2015 at 4:08 PM

      Can someone tell me if I make bho with and i vac purge at 140-145 deg f for a few days my oil comes out great, do I still need to decarb if I’m making brownies with coco oil and soy lecithin ? M

      Reply

  11. Posted by dhream on April 20, 2015 at 9:28 PM

    The cannabis cookbook instructions available at the high times website states boil your weed in water for an hour, then add your butter or coconut oil then simmer for an hour. Then to increase potency let cool and then simmer again for an hour a further two times.
    I’m not sure what the ‘cooling’ is supposed to achieve scientifically, why not just simmer that shit for 3 hours straight?
    BTW water boils at 99.96C where I live.
    I also recall reading somewhere that MJ decarboxylates to maximum THC levels either at 90C for 24 hrs or 110C at 110 minutes, then several cooks on you tube baste their weed very very gently in butter in a barely simmering bain marie/rice cooker/steam bath… Who is right? I came here looking for that answer. Even more confused. BTW My first batch of coconut oil using the cookbook instructions made cookies that are quite effective for recreational use. The oil is barely perceptible in flavour, slight MJ and coconut taste under the choc chip, Ive had hash brownies in Amsterdam that were strong, but tasted like shit.That was back in the day and I think people know more now, I suspect the old Amsterdam cookies had all the useless and foul tasting sludge incorporated to the mix, you want to squeeze the oil out to the best of your ability and just compost that, it is virtually useless, and tastes vile anyway.

    Reply

  12. Posted by shadowkingpuff1 on April 12, 2015 at 6:38 AM

    Sorry about the double post i didint see the 1st go thru, and i wanted to add i used much less then even a half oz. of good trim in it and 2 sticks of butter,and i actually got about 2 sticks of canabutter proving my favorite aspect of this cannabutter process potency is of course low due to the small amount of trim,none the less point made..

    Reply

  13. Posted by shadowkingpuff1 on April 12, 2015 at 6:12 AM

    i belive its been stated that cannabinoids released through “decarbing” are not water solible so they would remain until fused with the butter wich lead to my idea :) i hope it brings somone joy really makes things easier, and a nice and smooth no-harsh-taste cannabutter too.

    Reply

  14. Posted by shadowkingpuff1 on April 12, 2015 at 6:05 AM

    maybe im a little late to the party but,Has anyone else tried(while making cannabutter) decarboxilating the plant matter only in water at as close to 212 degrees as possible(to a nice constant boil) for 2-3h then adding the butter to mix with the cannabanoids (let simmer for 30min.) thus, removing any evaporation and loss of mass to final product.and worry about overheating the butter and destroying the cannabinoids fused. just wondering becuse i found nothing like it on the internet and i made my first batch last night:)

    Reply

    • Posted by shadowkingpuff1 on April 12, 2015 at 6:11 AM

      i belive its been stated that cannabinoids released through “decarbing” are not water solible so they would remain until fused with the butter wich lead to my idea :) i hope it brings somone joy really makes things easier, and a nice and smooth no-harsh-taste cannabutter too.

      Reply

  15. Posted by Bla on April 4, 2015 at 4:31 PM

    Hi everyone, let me just add one thing to this discussion. I see a lot of people wondering if this graph is accurate, well it seems to me pretty on point to me. When you eat THC it is metabolized and the structure is changed to another product. (I forgot the exact name it was 2 different compounds you could probably find the name if you looked into it) So this is why I believe for these numbers seeming a bit off. Although this graph would mean that in 350F all the psychoactive stuff in your product would be vaporized there it should be noted that the THCA here was in n-hexane as the solvent, instead of a much thicker and lipid rich baked good or butter. I may be wrong this is just my speculation.

    Reply

  16. Posted by stonycreations on April 3, 2015 at 6:06 PM

    Sooo say the mistake was made of putting the hash oil in with the coconut oil before decarbing the thc. Is there any way to still decarb the hash in the coconut oil? If so is there anthing to show when done or finished? Im not seeing any bubbling occur and has left me completely puzzled. I tried holding at temp 250 for 30 minutes and still nothing. Any advice?

    Reply

    • Posted by dhream on April 20, 2015 at 9:31 PM

      Uh if you have hash oil isn’t the decarb work already done? All you need to do is mix in your cooking oils butter/coconut/whatever and get baking!

      Reply

      • Posted by MattMatt on April 21, 2015 at 3:28 PM

        not necessarily, depends how the oil was made. There are lots of ways to extract oil from cannabis with little to no heat (like BHO, CO2 extraction, oil extractions, etc.) and even the methods that use heat often do not involve enough cooking for full decarb. For example the Rick Simpson process of boiling off alcohol or naptha in a rice cooker will only partially decarb at best and more cooking is required to finish decarboxylation

        Reply

  17. Dear friend, correct me if I am wrong but I think 145C curve is wrong. Brownies and cookies are cooked at 150C for much longer than and they are super powerful (high on THC) and not sedative (low on CBN) …

    Also, as you can see in graphic “Figure 1: (A)” in the link below, after decarboxylating cannabis in an oven for 30 min @ 145C, THC is at its highest and CBN very low… so, which graphic is correct my friend?

    “Figure 1: (A)… Further conversion of THC into its’ main degradation product cannabinol (CBN) only took place to a small degree during the oven treatment (30 min @ 145C).”
    http://www.cannabis-med.org/data/pdf/en_2013_01_1.pdf

    thanks and cheers from Mexico City

    Reply

    • Posted by figgernaggot on March 16, 2015 at 9:30 PM

      i should think it fairly obvious that brownie batter is much more insulatory than n-hexane.

      also there is no scientific pharmacological literature (Afaik) that indicates CBN as having sedative effects

      Reply

  18. I can chime in here. First thing is ,, is that if anyone wants to know how much THC,THC-A THCV, THCVA Or any other cannabanoid decarb effect ,exactly just get it tested by an HPLC test lab. It may cost 100$ but It can be done for more like 50$ from the right lab. HPLC testing is the ONLY way to know for sure. Gas testing will not be acurate ,since the product is being heated as it is being tested. Use the HPLC test. I study this stuff many hours every day. Want to see it for your selfs ? Just go to SC LABS Their in Capatollia Ca. I dont remember if they are a .com or a .org. Later I think. well then click on tested on the top of the page. If you click on a sampel ,its whole test will pop up and you can see its cannabanoid values. Oil, HASH, flowers, wax, Shatter. whatever.Most cannabis is raw with THC-A high. If delt with cold it will stay high in THC-A ie. yellow WAXES. and I say MOST flowers becouse their are some that may have say,, 7% THC whitch is enough to get a novis high. or maybe even me. in the raw form. Check the page and learn. Glenn— Gross420@tds.net

    Reply

  19. Posted by MattMatt on March 12, 2015 at 4:19 PM

    No, the temps needed to infuse the cannabinoids in various fats, butters and oils is way below what is needed to decarb. In fact given enough time you can do this infusion with virtually no heat and avoid all decarboxylation and make an infused product that is almost entirely raw cannabinoid acids (which is desired for some people and some conditions). If you are planning to infuse cannabis into butter then prior decarb is a good idea

    Reply

  20. Posted by MattMatt on March 1, 2015 at 1:11 PM

    If I may address your second point first, if you are going to cook at 350F for 25 minutes then prior decarb is unnecessary. Generally that temp is too hot as THC can and will vaporise at that temp, but inside a brownie mix it may well struggle to escape so the decarb data on the graph would not apply perfectly to brownies or cake mix.
    there are two things to consider when cooking above the optimum temps. Above 140c (145c for example) is still too low to vaporise THC (which begins at 157c) but it will degrade it to CBN at a fast rate (which is what accounts for the THC drop shown on the graph) at those temps if applied for too long. Above 157c you will begin to vaporise THC (though how long to vaporise it all off is hard to say and depends on other factors).
    As I said, vaporising is not so devastating when dealing with cake or brownies mixes as the THC gets trapped even if vaporised so does not actually escape. Also vaporising THCA will decarb it instantly with out necessarily degrading it to CBN and even if it does CBN is also psychoactive, though slightly less than THC, and very sedative so will make edibles feel strong, especially from a sedative point of view.
    That being said I would like more than this one graph to guide us regarding decarb and would like to see more test results of decarb in different forms (oil, hash, weed, edibles etc.). Not just to verify these results (which can differ depending on other factors)but also to expand on them. The graph supports the optimum decarb temp for with in 40 minutes to be about 120c (between 110c to 130c) but gives very little data on other temps outside of the 50 minute time frame. People can decarb at 80c, or 60c but how long such temps require is hard to say

    Reply

    • Posted by sidk on March 1, 2015 at 1:50 PM

      Ok, I had not considered what the actual inside temp might be. I have a thermocouple meter with a type-K probe I can use to take some interior temps at various times and locations. I’ll bake some straight brownies tonite and take some data.
      More when I know more…
      Thanks.

      Reply

      • Posted by spartan on March 11, 2015 at 11:37 AM

        Internal temperature of any baked good should never exceed 212 F for the simple reason that if it’s hotter than that all the water has evaporated away and you’re left with crackers, not brownies.

        Reply

        • Posted by Kyle on May 24, 2015 at 4:10 PM

          Heh. . . not true. Brownies (medical or not) are baked at a 350 internal temperature. They don’t turn into crackers (unless left at that temp too long) due to the addition of vegetable oil and an ingredient to emulsify it (usually an egg.)

          Reply

    • Posted by sidk on March 2, 2015 at 3:32 PM

      How can I post (upload) a jpg showing temperature data??

      Reply

    • Posted by sidk on March 4, 2015 at 11:58 AM

      I did not phrase the question correctly…
      I have temperature data from a brownie bake. I have a graph showing the data but I need help on how to upload the jpg file to you.
      Sidk

      Reply

      • Posted by dhream on April 20, 2015 at 9:12 PM

        get a free imgur account, upload the jpg to imgur, then simply copy, paste, and post the link to the graph they create for you automatically, here…

        Reply

    • Posted by Alex Taylor on March 12, 2015 at 11:05 AM

      I am curious about the process of not decarbing when you plan to bake in the oven at 350 degrees F anyway. If there is no initial decarbing, then when you are infusing something like butter or oil prior to baking, do the trim and butter need to combine at a certain temp in order to remove the cannabinoids from the trim into the butter? Obviously the butter needs to be properly infused before incorporating into a batter to then be baked. Thanks!

      Reply

  21. Posted by MattMatt on March 1, 2015 at 8:03 AM

    Out of interest where did you get that text?

    Reply

  22. Posted by tavon on February 28, 2015 at 9:05 AM

    Decarboxylation – When making cannabis oil for treating late stage cancer it is important to understand decarboxylation. Cannabis in raw/unheated form is primarily THCA, which converts to active THC through heat and time. While some very slow and gradual decarboxylation does occur at temperatures as low as room temp during drying and curing stages of weed preparation it is not until higher heats are encountered that all THCA is converted to THC. If you are making cannabis oil you need to make sure the oil is cooked sufficiently to complete full decarb. Raw cannabis is very beneficial and cannabinoid acids like THCA, along with naturally present terpenes, are believed to be very beneficial with possible anti cancer properties. However, it is active THC, and CBD, that has the majority of clinical and anecdotal evidence supporting its cancer killing effects. So, based on what is currently known, cannabis oil that is most potent in THC content is likely going to be the most potent medicine for curing cancer.
    Raw cannabis in the form of juices and unheated oils are beneficial too and would make a great addition to someone’s treatment, but should not replace cooked cannabis oil, and often require much larger quantities for therapeutic value. Raw or partially cooked oils will contain a wider range of components including cannabinoid acids and terpenes, which are lost when oils are fully cooked, but THC is the most essential cannabinoid for fighting cancer so make sure you decarb your medicine properly to maximise its potency.
    The Rick Simpson method only guarantees partial decarb from the rice cooker stage, and while full decarboxylation can be achieved with the use of a coffee warmer or candle warmer it can take some time to complete this process and other gentle heating devices may not be hot enough. Many of the solvents used have boiling points below the optimum temps for full and rapid decarb. If you do not have a coffee/candle warmer, of even if you do, it is recommended to put your oil in the oven at 110 to 130 degrees Celsius for about an hour. Visible bubbling will cease when the solvent and water, along with volatile terpenes, are boiled off. But you will see very small pin prick explosions on the surface of the oil during decarboxylation. When this has ceased and there is no activity on the surface of the oil at temps of 110c or above, then you know that decarboxylation is complete. While you want to ensure that temperature does exceed 110 degrees Celsius for decarb, it is also advised to stay below 140 as temps above 140 can lead to a loss of THC through vaporisation (157c)or degradation to CBN.
    In an ideal world everyone would have access to both raw and cooked cannabis in a well controlled manner, but in this world where oil making can be expensive and risky it is best to make sure your medicine is as potent as it can be to maximise its potential.
    This info is for anyone unaware of Decarboxylation or confused about how to achieve it.

    Reply

    • Posted by sidk on March 1, 2015 at 10:12 AM

      I was given a trash bag full of trim (mostly leaf) that I have been experimenting with at making oil (using EverClear as a solvent). I understand the graph. I have been doing 1 oz (28g) batches and am getting varied results, mostly ok (I’m interested in the psychoactive properties).
      However, the point of this post is to raise what I consider to be a conundrum…
      When I bake brownies (using canna oil), typical oven temp/time for a batch might be 350 F for 25 minutes. Extrapolating the graph data for 350 F suggests (to me) that I am cooking all the good stuff (psychoactive) out of the oil. Yet, anyone who has eaten canna infused brownies know that is not the case. So, does that mean that the graph data is bogus in the context of this whole thread??
      Further, does it follow that if the oil is to be used in baked eatables, that it NOT be first decarboxylated?

      Reply

      • Posted by jack on April 2, 2015 at 9:56 PM

        the graph is for an n-hexane extract and I think that’s why it degrades faster than your brownies

        Reply

  23. Posted by Blaz on February 28, 2015 at 2:24 AM

    Mahaffia, I am also wondering that, i have always decarboxylated it in the process of cooking, but i am thinking that it might be better if you put it in the oven at about 110˙C for at least half an hour, and then slowly and safely extract with with a solvent (no danger of overheating) But I am worried that it may effect the quality of the product. Not sure though….

    Reply

  24. Posted by MattMatt on February 27, 2015 at 4:05 AM

    All cannabinoids start out as cannabinoid acids. So yes, decarbing is necessary to convert THCVA to THCV too. I don’t know the exact temps/times but I would expect full decarboxylation (till activity stops) to mean full decarboxylation of all acids to their neutral counter parts

    Reply

  25. HI, I’m wondering about decarbing THCV for edibles. Is it necessary for THCV or can you get the full effect of the THCV without decarbing? Also are times & temperatures for THCV decarbing (if needed) the same as THCA?

    Reply

  26. Posted by mahaffia on February 18, 2015 at 12:54 PM

    What are the pros and cons of decarboxylating the material first, and then extraction with glycerin?

    Reply

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