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Figured I'd join the fun, here's a few slices of some Lemon FCV cooked at 15 psi for 5 hours. Smells like a pile of dried apricots and it's extremely sticky....gets like a piece of hard candy if left to dry for too long. Not a bad smoke but fairly unbalanced and irritates the mouth a bit after a whole bowl, not an uncommon experience smoking 100% FCV, apparently even if pressure cooked at least as far as my palate goes. I pretty much just brought the leaf to high case with a tupperware + wet towel on top overnight, jarred it and cooked it. After taking the jar out of the cooker I noticed the lighter colored leaves also felt drier to the touch, but after pressing overnight you end up with a largely uniform chocolate colored flake.
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Thanks for the advice, what I've been doing is cubing them up and smoking them that way...rubbing out exactly as you describe I do with my pressed VA flakes. As far as mold goes, I've smoked nearly all of it already (small test batch) so the mold better get cracking if it wants any of my leaf. Due to the flash and the sheen in the picture those strips look a little more moist than they actually are...in fact the leaf was surprisingly dry when I took it out of the jar, not much more moist than when I put them in there but definitely more sticky.

Perique will be next, once I make a separate (waterproof) press for that purpose. Right now I use a substantial C-clamp with a schedule 80 pvc pipe and a pair of pvc pucks I had a friend make for me..makes a flake just the right diameter to fit into a standard mason jar but won't seal so great without modification..and even then I'm not sure I'd like to tie up that particular piece of equipment for 90 days.
 

deluxestogie

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Once leaf has color-cured (is no longer green), you can make Cavendish from it. You can also use fermented leaf. Each develops its own character.

Bob
 

deluxestogie

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You can steam treat any leaf that is not green. By "fermented," I mean kilned or pile-cured (or aged for a long time). Making Cavendish from Perique might be interesting. I don't know what you get when you make Cavendish from cigar leaf.

The Cavendish process is just heat and steam. It brings about many subtle chemical reactions. It's fun to try different tobacco for making Cavendish.

Bob
 

deluxestogie

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Cavendish by the Hand

Garden20171224_3321_Guacharo_Cavendish_stemmed_closeup_600.jpg


In January of 2017, I processed several 1 quart jars of tobacco in a pressure cooker, then allowed the canning lids to seal.

Garden20170125_2426_Cavendish_inJars_400.jpg

http://fairtradetobacco.com/threads...h-Pipe-Tobacco?p=131065&viewfull=1#post131065

This process sterilized the contents of the jars, and allowed me to store them with soggy leaf, and no worry about mold or rotting.

One of those jars contained 2013 Guácharo (a Venezuelan landrace primitive). "...the complete hand was squished and jammed into its respective jar, still tied and tagged." Well, this hand had not fully come into case at the time I lovingly placed it into its jar. Stems broke, leaves shattered. I didn't care. In it went. This was destined to be cooked, then sliced and rubbed.

Stuffing a tied hand into a 1 quart, wide mouth canning jar is fairly inefficient. Only one hand can fit that way. If the leaf is stemmed first, then probably 3 full hands could fit in.

Today, I decided to celebrate its coming out.

Since everything in the jar was in high case, and since I intended to shred the leaf, removal of the stems was a breeze. Also, as you can see from the Tyvek tag that has accompanied this morsel of tobacco since it was harvested in 2013, this hand consists of mud lugs. That is to say, this was flyers and trash to start with. So any change would likely be an improvement.

Garden20171224_3322_Guacharo_Cavendish_stemmed_600.jpg


I piled the stemmed leaf, fragments and all, into the center of the cutting board, then compressed it into a firm, tight bundle, using my hands. This allowed me to thinly slice the leaf with my kulu blade. The sliced pile was then cross-cut twice, to limit shred length. I rubbed out the flakes by hand.

Garden20171224_3323_Guacharo_Cavendish_shredded_600.jpg


Since the interior of the house is quite dry during the present cold weather, I just spread the shred into a thin layer on the cutting board, and left it to dry on the kitchen counter.

Garden20171224_3324_Guacharo_Cavendish_drying_600.jpg


These Guácharo mud lugs were harvested in 2013, then, after 3-1/2 years of aging, were made into Cavendish. Now, a year later, I will get a chance to smoke some. As I recall, even the "nice" Guácharo leaf, from higher on the plant, wasn't all that enjoyable.

GuácharoMonument.jpg

Monument at Parque Nacional Cueva del Guácharo. The German explorer Alexander von Humboldt visited the Guacharo’s cave in 1799, and identified the bird as a new species.

But Guácharo tobacco is a primitive variety (little sign of agronomic improvement), named after the Venezuelan cave-dwelling bird. I believe the tobacco variety is closely related to Bolivia Criollo Black (and maybe to Paraguay Flojo as well). It's physical resemblance and growth habit are similar. I would not be surprised if it is no longer grown in Venezuela (its only home).

Garden20171224_3325_Guacharo_Cavendish_inPouch_600.jpg


Is it worth it, to do all this work for 2 ounces of pipe tobacco? Probably not at this scale. But a full quart jar, containing, say, 8 ounces of stemmed leaf, would be roughly the same amount of processing work, but its yield would be more gratifying.

And now, the subject about which a few words are worth more than a bunch of pictures--how is that Guácharo Cavendish?

In a corncob, the Guácharo Cavendish burns reasonably well. The flavor is full and complex, with a slight spice. Puffing it straight is smooth and enjoyable, and mild when passed out my nose. The nicotine is, of course, mild, since this is mud lug. I sense no desserts, beverages, fruits or vegetables--just tobacco. I think it might blend well with bright leaf and Orientals.

Because the Cavendish process takes the temperature well over 191ºF, there are no longer any functional oxidizing enzymes in the leaf. Further aging will accomplish little.

Bob
 

ChinaVoodoo

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I think there's benefit from aging. It's purely chemical, like certain chemicals evaporating, or oxidizing. I find the acidity decreases over a couple months and it gets smoother.
 

deluxestogie

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As you know, enzymes are catalysts derived from metabolic processes. No catalyst can bring about a chemical reaction that would not otherwise occur on its own. The role of the catalyst is to dramatically accelerate the reaction time--maybe 10 times faster; maybe 100,000 times faster.

So, if all enzymes are cooked into oblivion, those same chemical reactions for which they were responsible will still occur, but much more slowly. Tobacco's two principal oxidase enzymes speed up the oxidation of proteins and carbohydrates. Without them, it's a slow crawl.

As for evaporation, I agree that volatile compounds can evaporate, if allowed to.

With the Cavendish process, the enzymes are cooked, but the leaf is soggy afterwards, so a lot of evaporative changes happen during the initial drying down. Then we get to the months-to-years aspect of the changes.

Bob
 
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deluxestogie

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The Harrow Velvet burley, a year later

Garden20180226_3409_HarrowVelvetCavendish_inJar_500.jpg


This jar was filled with a tied hand of Harrow Velvet burley, sealed, pressure-cooked for 5 hours, then allowed to cool and fully seal (like canned green beans). It has been sitting, soggy, for about a year.

The leaf at the bottom of the jar is wet and very dark. Leaf at the top is still light colored.

Garden20180226_3410_HarrowVelvetCavendish_jarOpened_600.jpg


Below, the "hand" has been removed from the jar. Notice that the stuffing of it into a jar resulted in breaking the top of most of the stems a few inches down. The Tyvek tag that I originally tied onto that hand bears the secret code, "Harrow Velvet 2012 2nd". Apparently in 2012, this was unambiguous. Today, 5 years later, I don't know what "2nd" indicates. The leaf looks too nice to be 2nd growth (i.e. sucker leaf). It may be that it was my 2nd priming, which was stringed, then later tied into a single hand. I seem to recall a flooding issue with the Harrow Velvet in 2012. But on the bright side, I save quite a bit of Sharpie pen ink by my labeling brevity.

Garden20180226_3411_HarrowVelvetCavendish_removedFromJar_600.jpg


Stems were relatively easy to strip from the mess of leaf, since it is all damp. Since it is all destined for pipe shred, raggedy pieces are alright. I mostly removed the thicker 1/2 to 2/3 of each stem. The pile of stemmed leaf is several inches deep.

Garden20180226_3412_HarrowVelvetCavendish_stemmed_600.jpg


Just in the time that I worked with the leaf on the counter, it began to darken. I expect it to oxidize to a darker color, by the time it has dried down.

Any kind of Cavendish is troublesome to adequately dry. The steaming process damages the cell walls of the lamina, so the finished leaf is more hygroscopic than uncooked leaf. If dried only to the squishy feel of commercial Cavendish, it will ALWAYS mold. So it needs to be dried to very low case--almost crunchy, then well stored to keep it dry. (Or you can add magic potions: glycerin, polypropylene glycol, pond scum.)

Bob
 
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deluxestogie

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Harrow Velvet Cavendish

After drying considerably, but before it got too dry, I shredded the leaf. Since wet tobacco is usually darker than dry tobacco, it's meaningful that the drying tobacco seems darker in color.

Garden20180226_3415_HarrowVelvetCavendish_shredded_withFlash_300.jpg
Garden20180226_3416_HarrowVelvetCavendish_shredded_withoutFlash_300.jpg

The actual color is in between.

My guess is that this will dry down to a little less than a half-pound of tobacco. Although an average tobacco plant will produce about 1/4 pound of cured leaf, many burley varieties can yield up to 1/2 pound per plant. This hand was 30 to 36 leaves, which is the equivalent of all the leaf from two plants.

Garden20180226_3415_HarrowVelvetCavendish_shredded_closeup_600.jpg


I will have to wait for it to dry, before smoking it. I did pack some into a corncob pipe, and have left it sitting. I'll check it tomorrow.

The aroma of the large mixing bowl filled with the shredded leaf is an intense burley aroma.

Bob
 
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Ever get around to smoking the Harrow Velvet? After creating apricot tobacco from Lemon FCV I'm kind of curious how this Burley transforms by comparison since I have some of that hanging around getting bored.
 

deluxestogie

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Hmmm. Six months ago. Unable to recall any details about the Harrow Velvet Cavendish, I'll stuff a pipe right now. Hang on....

How to smoke Harrow Velvet Burley Cavendish:

Garden20180828_3863_Bob_smokinBurleyCavendish_500.jpg

  1. select a suitable corncob pipe
  2. sit on the porch in the late afternoon of a late August day
  3. pack pipe
  4. light
  5. lean back
After sitting for 6 months, this Harrow Velvet Cavendish is just a delight. Pouch aroma reminds me of one of the classic Burley drug store brands of the past, but I can't pinpoint it. It is not cased with any flavorant or humectant. It lights easily, and burns reasonably well for a Cavendish. The distinctive burley aroma is mild. I get clouds of smoke. Nicotine strength is medium. There is zero bite, unlike Lane's cased "Burley Without Bite". The ash is a middle gray, and burns dry and clean, with no dottle. [Room note is a blend of grasses, weeds, flowers, dirt, nearby tomato plants, cows in the distance, plus the rapid tweets of a pair of goldfinches.]

I don't recall this being so delicious. I believe that the six months of aging has made a significant difference. For making a straight burley pipe tobacco, Cavendish cooking, then 6 months of age (after drying down) is clearly the way to go. [Remember (see a few posts back) that this batch was pressure cooked in a sealed Mason jar, then ignored for about a year, unopened, since it was sterilized in the process. After initial dry-down, it was not spectacular, as I recall.]

Bob
 
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Outstanding review! My experience smoking straight burleys (un-cavendish'd) compares poorly to the cooked and aged version.

Of course...this could have been partially due to the unsuitability of my cob :)
 
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