How many different methods for extraction

[Mavrik1]

How many different methods for extraction is there? Do they all work about the same?
So far in my brief research I've found; ethanol (sounds scary to vape), cooking in water and cooking in PG/VG.

 

[Dougiestyle]

I use soaking in PG (at the desired end quantity) with PGA on a heated plate to evaporate the alcohol.

Use finely ground herbs and teas and measure approx. 2g of solid.

Place into sanitized, tempered glass container.

Place container onto a heated plate (I use an electric candle warmer/ same as coffee cup plate)

Add 6-10mL of PG

Mark side of container at the full level.

Add 20mL PGA

Let sit, heating until level drops to PG/solid mark

Add 10ml PGA

Strain/filter solids and discard (I used a paper coffee filter, reinforced with a pyramid tea bag)

Replace PG/PGA extract onto heat plate until PGA has evaporated

You now have a PG extract of herb/tea of your choice.

*I would assume VG can be replaced for PG, but have not used it, so proceed that way if you wish. My results are not defined with this.

 

[joelle]

I have a favorite tea blend I've been thinking
about extracting. This method sounds
pretty good. Why the PGA though? Does it
bring out the flavor more than straight PG?
And how much caffeine do you figure might
be in the finished juice?

 

[Dougiestyle]

There may be traces of caffeine, but the amounts would be insignificant IMO.

The weight of solid to ratio of PVpuffs significantly decreases the solution of any ingredient from extraction (sans flavor)

The PGA gives a greater liquid amount for absorption from the organic material. You could use more if you like. Ultimately, the PGA is completely evaporated with little to no affect on the desired flavor. Once the PGA is evaporated, it's absorbed flavors are left behind in the PG.

I hope this helps.

 

[Proverb31]

How many different methods for extraction is there? Do they all work about the same?
So far in my brief research I've found; ethanol (sounds scary to vape), cooking in water and cooking in PG/VG.

Typically extractions fall into one of these categories

Infusions: this is like making a cup of tea, you let the item steep in hot .. not boiling water.. this is used with tender leafy material or petals. You can also do cold infusions.

Dococtions: This is similar to an infusion but is used for barks and roots. The mixture is brought to a boil and then simmered for about 30 minutes

Strong Decoctions: This is like a decoctions, but the simmer time is longer about 2 hours with an overnight steep

Tinctures: This is a steep in a water alcohol mix. Often 80 or 100 proof vodka is used. 100 proof vodka is preferred because it is a 50/50 alcohol water mix. Or you can use pure grain alcohol (ethanol) like everclear mixed 50/50 with distilled water. This is common for many herbs and fruits. Alcohol is a preservative and these can last on shelf for years.

Macerations: This is similar to the others, but the plant material is chopped first. The extraction material can be water, alcohol & water (vodka), glycerin (VG) or propylene glycol (PG)

Glycerites: This is not truly a method but I thought I would mention it. A glycerite is the end product of a maceration done with VG. This works well at extracting a plant essence and medicinal properties, but it takes much longer than a maceration done with alcohol. This can be done cold, or in want is called a closed pot warm bath. The standard is to use the following mix 60% VG/40% distilled water for the extraction fluid. This aids in the straining of the plant material from the liquid since VG is a thick viscous materiel. (Also note some research has shown that glycerine does extract whole alkyloids)

The general rule of thumb is:

fresh plant material -- fill extraction jar to the top with plant material with a soft pack, and then fill to the top with the extraction fluid.
dried plant material -- fill extraction jar half way with dried plant material and then fill jar to the bottom of the threads with extraction fluid. This is needed because dried plant materiel will absorb the liquid and re hydrate.

For fruits you typically want to maintain a minimum of 30% alcohol (or 60%+ sugar.. not advisable I think for attys) to prevent fermentation. I am pondering this for vaping. I have decided the best way to make fruit extractions is the basic tincture method with macerated material. Then strain and store as is for long term. However to reduce the extract, or evaporate boil off the alcohol before I add it to PG or VG for juice. This I hope will allow me to store it without fermentation, which would change the flavor, and still be able to retain the fruit flavor for e-juice. I am going to try this and only reduce the amount of extraction I can use in a week or two at a time. Once reduced, (alcohol removed) refrigeration would be required if it wasn't added to pg/vg which are both preservatives. However this would not have the same shelf life as the high alcohol content extraction.

Destillation: Used to produce essential oils. -- I personally don't think this is wise for vaping, these are extremely potent and could be harmful if used incorrectly. Many plants have powerful medicinal properties and it is possible to overdose.

 

[Proverb31]

There may be traces of caffeine, but the amounts would be insignificant IMO.

The weight of solid to ratio of PVpuffs significantly decreases the solution of any ingredient from extraction (sans flavor)

The PGA gives a greater liquid amount for absorption from the organic material. You could use more if you like. Ultimately, the PGA is completely evaporated with little to no affect on the desired flavor. Once the PGA is evaporated, it's absorbed flavors are left behind in the PG.

I hope this helps.

The caffeine content should be the same as if you used the same amount of tea in a cup of water, but since you are only using an ounce of alcohol (PG and ethanol combined.. both are alcohol) it would be more concentrated. Then if you use this as a flavoring in a larger amount of PG/VG you would dilute it.

 

[Sweeperdk]

Personally I take about 15-25 grams of dried tobacco leaf and put it in a jar, add 50'ish ml of PG and let it stand about for a couple of months, tasting it once a week.

After that, I filter it, and Bob's your uncle.

Yes, it takes quite some time, but the result is great.

 

[rolf]

hi proverb !
I used pipe tobacco ..pg ..in slow cooker . the flavor is fantastic ! the problem is it cakes up the attys
I suspect maybe sugar ? what could destilation do ? ...or will it even work with pg ..I am planning to build a small lab distiller .
any ideas on how ? or why not even try it ? I have not seen any threads on how to use destilation for tobacco extract.
rolf

 

[Starlyte2]

How would it work using a yoghurt maker with glass pots, and a mix of VG, water and vodka, at 50/25/25 ratio, then boiling after straining to get out most of the latter two, leaving tobacco extract, maybe with some of the alkaloids incuded, and VG, which IMHO, wouldn't work in a still. Don't think that evaporates and then condenses, like water or alcohol in a still

Has anyone tried a yoghurt maker?
Maybe heating the potion to a higher temperature first would be best, advice welcome

Can't find a slow cooker here, which is why I though of a yoghurt machine.

I did think of a quick tour in a container in a little water in a pressure cooker, and putting less water in the initial brew.

So far I've only used cold VG & VG/PG maceration, for quite a long time, as the shop said a week, but it stayed a month, second time round. Was a good taste, but lacking that little something I was hoping to find...

Now I have some 100% tobacco, Virginia type, so I'll buy some Vodka (only for experimentation purposes ) and try or a pressure cooker, or maybe the microwave. But the pressure cooker has the advantage of pressure. (Aren't I bright ) Maybe it'll help the extraction, from what I've read here and there.

ALL ADVICE WELCOME, pleeeze
I'll get back to you, with the results, when it's done.

By the way, from what I've read also (yeah, I do read a lot, but you see some useful data among the rest) that VG/PG works as an anti fermentation an fungal product, for preserving the extracted tobacco, but check it up, though it does make sense, as once juice is mixed you can keep it for maybe 2 years. I don't think alcohol would be necessary if the extract left after boiling off the alcohol is VG or PG in majority. IMO only, not biblicist truth, so check on it

 

[Starlyte2]

How would it work using a yoghurt maker with glass pots, and a mix of VG, water and vodka, at 50/25/25 ratio, then boiling after straining to get out most of the latter two, leaving tobacco extracy, maybe with some of the alkaloids incuded, and VG, which incidently, wouldn't IMO work in a still. Don't think that evaporates and then recondenses, like water or alcohol in a still

Has anyone tried a yoghurt maker?
Maybe heating the potion to a higher temperature first would be best, advice welcome

Can't find a slow cooker here, which is why I though of a yoghurt machine.

I did think of a quick tour in a container in a little water in a pressure cooker, and putting less water in the initial brew.

So far I've only used cold VG & VG/PG maceration, for quite a long time, as the shop said a week, but it stayed a month, second time round. Was a good taste, but lacking that little something I was hoping to find...

Now I have some 100% tobacco, Virginia type, so I'll buy some Vodka (only for experimentation purposes ) and try or a pressure cooker, or maybe the microwave. But the pressure cooker has the advantage of pressure. (Aren't I bright ) Maybe it'll help the extraction, from what I've read here and there.

ALL ADVICE WELCOME, pleeeze
I'll get back to you, with the results, when it's done.