From member "Hobbes" 2008
Hobbes;707798 said:I found good recepies for three methods: Hot Extraction, the quickest extraction of cannaboids (20 minutes); suprisingly the Cold Extraction next (2-3 days); and the Warm Extraction longest (30-60 days).
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Hot Extraction:
This is a simple and efficient 4 Step process.
Ingredients:
1/8oz high quality cannabis
2 oz Bacardi Rum – 151 proof
Process Summary:
1. Chop cannabis very fine (coffee grinder works great)
2. Place in a shallow pan (pie pan with aluminum foil works great) and bake at 325°F for 4-5 minutes.
3. Remove from oven and place cannabis and place in 2 oz of rum (use a small wide mouth mason jar)
4. Simmer in a water bath for 20 minutes. Maintain temperature of the rum/cannabis mixture between 150°F – 165°F.
5. Strain the mixture and store.
Dosage:
One eyedropper is very nice. Two puts you in space. But you should self-titrate. Effects take about 1.5 hours to begin (at least in myself) and lasted for 5 hours (1 dropper) to 7-8 hours (2 droppers).
Process details—references and rationalizations:
1. Chop the cannabis—more surface area gives means a faster and more efficient extraction.
2. Bake the cannabis.
In whole-plant cannabis, THC content is expressed as THCA (tetrahydrocannabolic acid) prior to decarboxylation into THC, which takes place when cannabis is heated during cooking, and smoked or vaporized ingestion. THCA is a mild analgesic and anti-inflammatory but does not have good affinity with our CB1 receptors, so in order to make a THC-rich tincture that has many of the same therapeutic effects as smoked ingestion (including rapid absorption, quick relief and ease of self-titration), we must convert the THCA in the plant matter into THC prior to extracting it through an alcohol soak. (from Vancouver Island Compassion Society 404 Not Found)
THC vaporizes at about 380°F. We want to heat the cannabis to convert THCA to THC, but keep the temperature under 380°F. That is why 325°F is used. Between four and five minutes your oven (and house) will start to smell very strong. This is the time to remove the cannabis from the oven.
Notice also that there is considerable misinformation regarding heating the cannabis. It is true that you don't have to heat it to extract both THC and THCA, but the amount of THC in whole plant preparations is relatively small compared to after decarboxylation of the THCA. So if you want to maximize the strength of your tincture you must heat the cannabis prior to extraction.
3. Use the highest proof alcohol available. In my area this was Bacardi 151. The more alcohol the more efficient the extraction will be.
4. Simmer the mixture.
This is one of the areas that seems to be most debated. Many recipes call for placing the cannabis (unbaked of course) into the alcohol and waiting 2 – 6 weeks. The main concern with heating the alcohol is that it is “explosive” (not exactly true...it is however flammable).
The purpose of the simmering is to heat the alcohol mixture to improve extraction rates and efficiencies. Heating during extraction increases the motion of the molecules (basic physics/chemistry) and drastically decreases extraction times. The boiling point of pure ethanol is 173°F (78°C). We will use the water bath to heat the rum/cannabis mixture to just below the boiling point of ethanol.
Heating the alcohol mixture can be done very safely using a hot water bath. You will need an accurate candy or quick read thermometer. Place about 1 inch of water in a wide, vertical-edged pan (9” wide x 3” high). Bring the water to a low simmer. The rum/cannabis mixture should be in a small (1 pint) mason jar. Do NOT cover the jar.
Put the thermometer into the mason jar and place into the simmering water bath. Bring the temperature of the rum/cannabis mixture to about 165°F (I maintain it between 150°F and 165°F). You want the alcohol mixture to be just barely moving (not boiling, but showing active convection within the mixture). If the mixture starts to bubble too much, just turn down the water bath.
You should have the oven fan on high. You will notice that any alcohol fumes are mixed with water vapor from the water bath and vented out the fan. This combined with the fact that you are trying not to boil the ethanol makes the process quite safe.
5. Strain, titrate, and store.
When you are finished with the extraction you will be left with about 1oz of green dragon tincture. Note that one ounce of the alcohol has evaporated.
Now you should test your eyedropper. In my test 34 full droppers equaled one ounce of liquid (this is a little less than one gram of liquid per dropperful as 29g equals 1ounce).
The liquid should be dark green and smell like cannabis.
6. Dosage.
Everybody is probably different. It takes me 1.5 hours to feel the effects of eating cannabis. Similarly this tincture also takes 1.5 hours to take effect.
I had tried a tincture someone had made using the cold extraction method with the same amount of cannabis and found that 5 droppers did pretty much nothing.
Using my Green Dragon technique I find that one dropper will bring effects on in 1.5 hours and last 5 hours with 1.5 hours of lingering aftereffects.
Two droppers gave me a "spiritual dose" (as strong as any brownie I ever had). Effects lasted 7-8 hours with lingering effects for 2 more hours.
This means that 1/8oz of good cannabis yields about 30-34 doses of tincture (1 dropperful is really all I need). And is much more pleasant than smoking (which really is bad for you and your lungs and the reason I've stopped smoking entirely).
This link might be helpful. Metric Conversion: > Industrial Parts | World Wide Metric <
Enjoy and let me know of your success and/or questions.
Master Wu
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Alchemist
Hobbes;707800 said:Traditional or Warm Method
The old fashioned (and effective) way to make tincture from trim, leaf or "shake" is to grind the plant material to expose surface area. A fine grind is not needed and will just make the tincture cloudy. A rough chop will do. Most folks can’t afford to use kief or bud for tincture but may have leaf handy. If so, this is the way to go. Use ethanol as described above in the same proportions. The key difference is that in this preparation the materials are kept warm (not hot). Light must be avoided.
Place the ethanol and chopped cannabis in a large glass Mason jar. Shake at least once a day. Place the jar in a brown paper bag or otherwise shield the jar from light. Leave in a warm spot (near a window) for 30-60 days. The mixture will turn a very dark green. Strain as previously described through cheesecloth. Save the "shake ball" for topical applications.
While this method produces a nasty tasting tincture, it is powerful. It may upset some fragile stomachs. It is recommended that Warm Tincture be used orally in cranberry juice or coffee with sugar. Keep the filtered tincture in light blocking glass jars or bottles in a cool dry place (refrigerator or freezer is fine). The shake ball should also be kept in the freezer. For topical applications, just take out the cold shake ball and apply a few drops of fresh tincture to the cloth then hold it on the affected area for a few minutes with gentle rubbing.
Dr Jay
Hobbes;707802 said:Distilling Alcohol
If you get into tinctures and eventually want to use more potent alcohol, without tracking down Everclear, you can distill regular vodka to have nearly as high an alcohol content as Everclear. Take a look at the Smartstill, like using a coffee maker.
If you want to stay away from alcohol use: Glycerine-based Tincture
If you have advice,other methods, or just stories please post - experience helps.
me
Hobbes;707803 said:Glycerine-based Tincture
You need to use food grade U.S.P glycerine, this can be relatively hard to find inexpensively but a gallon lasts a LONG time.
Glycerines have a shorter shelf life than alcohol based tinctures and while they can sit on the shelf I refrigerate mine. Vegetable glycerine has nearly no impact on blood sugar or insulin and is very low in calories (4.3 per gram). It's sweet taste makes the tincture more palatable than the alcohol based tincture and is a suitable substitute for those concerned with alcohol consumption.
Add the amount of cannabis that you desire for potency. I added 6 oz of roughly trimmed (finger trimmed the leaves off) cannabis to 1 gallon of glycerine. For your personal preference add more cannabis or less depending on desired potency. I blend mine, using a coffee grinder, blender or if you are lucky enough to have a Vita Mix. Make sure there is no other product matter in whatever you use. I use a clean basting brush to clean out my Vita Mix when I am done powdering my cannabis.
Place in a crockpot on low. Some crockpot's low settings are too high so you may not be able to use yours. A "Keep Warm" setting if you have it is the best choice. Too hot, and you are killing the properties you are trying to extract, you want the mixture to be as warm as possible without boiling, I left my tincture like this for 24 hours. I have heard people leaving the tincture from anywhere from 4-6 hours to 3 days. You can try the tincture at intervals to decide when you are done. REMEMBER that glycerine tincture retains heat VERY WELL, do not burn yourself!!
If you do not have a crockpot you can place the herbs in a clear, sealed jar in a warm, sunny spot and accomplish the same thing over 4 weeks. Some people make their "sunshine tinctures" over 2 weeks. I do not feel that is long enough, especially in colder weather. Some leave them in the sun for up to 12 weeks. I have never seen a need to go that long myself. Shake each day to mix the herbs in.
When ready to strain use cheesecloth and a strainer to extract the cannabis debris, the THC has been extracted and the tincture is ready to use. The best way to store is in a glass amber bottle. A good place to obtain a large bottle for the bulk of your tincture is a brewery store that has supplies to make wine or beer. I also obtained a few small amber bottles with eye droppers for convenience. It takes a lot longer to strain glycerine than it does alcohol, the tincture will drip when strained instead of flow.
Dr Jay
