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Topic: How to extract Caffeine from TEA ect? (Read 1561 times)

full member
Activity: 196
Merit: 100
March 15, 2013, 06:08:51 PM
#28
Well this aint exactly a chemistry oriented forum. If you ask about welding, cutting plastic and wood, making them into one, using zipties Tongue - this is the place
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 15, 2013, 09:47:52 AM
#27
so no instructions
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 15, 2013, 08:19:10 AM
#26
IT doesnt need to be pure Smiley

Yeah, at this point the question is really what's your intention with that extraction. Because really you'd have to go ahead and get rid of tannin and other polyphenols and all that other phytopharmaceutical gunk in there to arrive at a few mgs of reasonably "pure" levels of caffeine for hours of work.

At the same time you can just go get yourself a kilogram bucket of pharmaceutical grade pure caffeine synthesized from urea for 40 bucks on ebay.
hero member
Activity: 952
Merit: 1009
March 15, 2013, 06:43:01 AM
#25
Yeah, at this point the question is really what's your intention with that extraction. Because really you'd have to go ahead and get rid of tannin and other polyphenols and all that other phytopharmaceutical gunk in there to arrive at a few mgs of reasonably "pure" levels of caffeine for hours of work.

At the same time you can just go get yourself a kilogram bucket of pharmaceutical grade pure caffeine synthesized from urea for 40 bucks on ebay.
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 09:20:36 PM
#24
But can you give me the instructions on what to do please? In a greener way like you said baking soda?

Too many chemicals Sad Im trying to do it with simple chems like alcohol ect


The secret is, chemists who know what they are doing focus a lot of expertise and effort to do it as simply as it can be done, and still work.
If you try to do it simpler than a consultant tells you to, something will go very wrong.

legendary
Activity: 1246
Merit: 1002
March 14, 2013, 09:01:31 PM
#23
Too many chemicals Sad Im trying to do it with simple chems like alcohol ect


The secret is, chemists who know what they are doing focus a lot of expertise and effort to do it as simply as it can be done, and still work.
If you try to do it simpler than a consultant tells you to, something will go very wrong.
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 08:38:17 PM
#22
Too many chemicals Sad Im trying to do it with simple chems like alcohol ect

full member
Activity: 196
Merit: 100
hero member
Activity: 728
Merit: 500
March 14, 2013, 07:45:12 PM
#20
IIRC erowid has a bunch of strategies for extracting alkaloids.
legendary
Activity: 1246
Merit: 1002
March 14, 2013, 07:40:40 PM
#19
So all I do is get the tea boil it for a few mins put baking soda and dry? thats it?

caffine pills? cocaine?

Just like developing your own film is more expensive than taking it to the photoshop, extracting your own caffeine is more expensive than just buying it.  When I have 30 students do this extraction, it probably takes $100 in consumables, and $500 or more in lab space, plus 150 hours of (their) labor.  The total yield for the entire class is probably only 300 mg.

If I count their labor at $8/hr, the cost per gram would come out to be about $6,000 / gram.  I am pretty sure you could get paid to remove bucket fulls of it from any commercial coffee producer.



No.  There will be lots of tannins, the brown colors.  There will be much more of them than caffeine.  Google has some of the Pavia book, but a couple of pages are missing.  Any nearby college library should have a copy of this book.

http://books.google.com/books?id=S8HNyKfaz20C&pg=PA98&lpg=PA98&dq=organic+lab+extract+caffeine+from+tea&source=bl&ots=cr1apAfsE1&sig=GD24h5iLQcC2EOXfH65gnwoISl0&hl=en&sa=X&ei=YG1CUffPBojaygGJmYCwCA&ved=0CEAQ6AEwAg#v=onepage&q=organic%20lab%20extract%20caffeine%20from%20tea&f=false

full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 06:06:23 PM
#18
Im giving you .05 BTC Whats your address

caffine pills? cocaine?

Just like developing your own film is more expensive than taking it to the photoshop, extracting your own caffeine is more expensive than just buying it.  When I have 30 students do this extraction, it probably takes $100 in consumables, and $500 or more in lab space, plus 150 hours of (their) labor.  The total yield for the entire class is probably only 300 mg.

If I count their labor at $8/hr, the cost per gram would come out to be about $6,000 / gram.  I am pretty sure you could get paid to remove bucket fulls of it from any commercial coffee producer.


full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 05:16:35 PM
#17
So all I do is get the tea boil it for a few mins put baking soda and dry? thats it?

caffine pills? cocaine?

Just like developing your own film is more expensive than taking it to the photoshop, extracting your own caffeine is more expensive than just buying it.  When I have 30 students do this extraction, it probably takes $100 in consumables, and $500 or more in lab space, plus 150 hours of (their) labor.  The total yield for the entire class is probably only 300 mg.

If I count their labor at $8/hr, the cost per gram would come out to be about $6,000 / gram.  I am pretty sure you could get paid to remove bucket fulls of it from any commercial coffee producer.


legendary
Activity: 1246
Merit: 1002
March 14, 2013, 04:36:19 PM
#16
caffine pills? cocaine?

Just like developing your own film is more expensive than taking it to the photoshop, extracting your own caffeine is more expensive than just buying it.  When I have 30 students do this extraction, it probably takes $100 in consumables, and $500 or more in lab space, plus 150 hours of (their) labor.  The total yield for the entire class is probably only 300 mg.

If I count their labor at $8/hr, the cost per gram would come out to be about $6,000 / gram.  I am pretty sure you could get paid to remove bucket fulls of it from any commercial coffee producer.

sr. member
Activity: 280
Merit: 250
March 14, 2013, 04:29:41 PM
#15
caffine pills? cocaine?
legendary
Activity: 1246
Merit: 1002
March 14, 2013, 03:20:06 PM
#14
Take tea leaves, place in hot water, wait a couple of minutes, remove tea leaves. You know have hot water full of caffeine.

But you want to put baking soda into the extract to get all of the caffeine out.  The tea will not taste good, but the goal is to get the caffeine, not drink the tea.
hero member
Activity: 952
Merit: 1009
March 14, 2013, 03:15:16 PM
#13
Take tea leaves, place in hot water, wait a couple of minutes, remove tea leaves. You know have hot water full of caffeine.
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 02:26:11 PM
#12
So what do you recommend professor Smiley

where do i get dichloromethane?


This should be changed to a greener solvent.

legendary
Activity: 1246
Merit: 1002
March 14, 2013, 02:23:10 PM
#11
where do i get dichloromethane?


This should be changed to a greener solvent.
full member
Activity: 140
Merit: 100
Troll of the Fourth Reich.
March 14, 2013, 02:14:51 PM
#10
where do i get dichloromethane?

No im trying to extract caffeine just for fun and to have it

better buy decaffeinated tea?

This is a standard lab for 1st semester organic chemistry.  Go to your local college and buy a copy of "Pava."

An ordinary teabag will yield between 0 and 10 mg of caffeine, depending on your skill.  I think the Pava book uses dichloromethane in one of the steps, and this should be changed to a greener solvent.

I suspect it would be just as easy in a home environment to put the tea into an evacuated home canning jar, and deposit the caffein on the lid using dry ice to cool the lid.  I have not, however, attempted this.


legendary
Activity: 1246
Merit: 1002
March 14, 2013, 01:35:26 PM
#9
No im trying to extract caffeine just for fun and to have it

better buy decaffeinated tea?

This is a standard lab for 1st semester organic chemistry.  Go to your local college and buy a copy of "Pavia."

An ordinary teabag will yield between 0 and 10 mg of caffeine, depending on your skill.  I think the Pavia book uses dichloromethane in one of the steps, and this should be changed to a greener solvent.

I suspect it would be just as easy in a home environment to put the tea into an evacuated home canning jar, and deposit the caffein on the lid using dry ice to cool the lid.  I have not, however, attempted this.

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