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How to properly freeze cigars?

2010/06/18 Fri

ダニに効くかは不明だが、せっかくなので冷凍によるタバコビートル駆除方法を調べてみた

puff.comの該当スレによると
5c (41f) requires ~12 days (275 hours)
0c (32f) requires ~9 days (220 hours)
-5c (23f) requires ~4 days (100 hours)
-10c (14f) requires less than 24 hours
-15c (5f) requires less than 24 hours
-20c (-4f) requires less than 24 hours
冷蔵室で3度、野菜室で5度、チルド室で0度、冷凍庫で-20度らしいので、1日冷凍庫に突っ込んでおけば卵の状態でも95%が死ぬらしい
万全を期すために、ジップロックを二重にして冷凍庫で72時間>冷蔵庫で24時間>室温で24時間、これが推奨の方法とのこと
最初の長文を書いた人は残り5%の可能性を排除するために冷蔵庫2-3週間を実践してる
ちなみにタバコビートルが卵からかえって成虫になるのに46日ほどかかるらしいので冷蔵庫2-3週間は理にかなってるな


他の人は
3 days in the freezer at -15/-18C
1 day in the refrigerator
1 day at room temperature
とか
- 24 hours in the fridge
- 26 hours at 15 degrees frozen
- 24 hours in the fridge
- Then someone said, no man, you need to go longer!!! back to the freezer
- 90 hours in the fridge (almost 4 days now)
とか
I freeze EVERYTHING. (the one exception being a vintage tubo)
double bagged in ziplock freezer bags.
fridge for about 24hrs
freezer for 3-5 days depending on if i forget them or not
fridge for 24hrs then into the humi
最後のはタバコビートル発生云々じゃなく、届いたら全部冷凍処理
ワンクッション置いて冷凍庫の前に冷蔵庫(野菜室)を挟んでるのは1名のみ

んで冷凍がシガーに与えるダメージ、というか喫味に変化はあるのかって実験した結果があった
http://groups.google.com.sg/group/alt.smokers.cigars/msg/c6ce558df61003bf?=en&lr=&rnum=5
FROZEN/NON-FROZENを見事言い当ててるのは1件だけで、他のレビューをざっと見ても冷凍による変化と言うよりは個体差による違いという感じ
ジップロックの口が開いてたとかの致命的な手順ミスをしない限りは問題なさげ

ちなみにCIには5%を排除するために冷凍処理に加えて電子レンジを使う方法も書いてあった
箱ごと350Wで3分だから750Wだと1分ぐらいかな
レンジ>冷凍庫24時間
レンジでシガーは乾いてしまうけど、冷凍庫の過程で加湿されるとのこと

流石にレンジは試したくないな…

----http://www.puff.com/forums/vb/general-cigar-discussion/29048-how-properly-freeze-cigars.html
From CW:

Cigar Beetle eggs can be killed by exposure to temperatures easily obtainable by home refrigerators/freezers. An industrial deep freeze is not required, as rumor has indicated.

There is a direct correlation between the time it takes to kill and temperature. The colder the temp, the shorter it takes to kill eggs.

The figures below are time to kill 95% (abbreviated LT95) of eggs exposed to the environment. Keep this in mind when applying these figures to cigars because 1) we want to kill 100% of eggs and 2) any eggs inside our cigars have a thick layer of insulating tobacco that must be cooled before the eggs will reach that temperature.

5c (41f) requires ~12 days (275 hours)
0c (32f) requires ~9 days (220 hours)
-5c (23f) requires ~4 days (100 hours)
-10c (14f) requires less than 24 hours
-15c (5f) requires less than 24 hours
-20c (-4f) requires less than 24 hours


The length of time you should freeze your cigars depends on the temperature your freezer is at. I highly recommend that everyone using their freezer to treat cigars keeps a fridge/freezer thermometer in there so they know roughly what temp range their freezer runs at. These are available at most grocery stores, usually with baking supplies. From experience I have seen home freezers that run anywhere from 1 degree below freezing to as low as -25c.
Right now I am trying to get data on how long it takes a cigar to go from room temp to 5c, and from 5c to -20c. Based on data from other consumables I estimate it would take a cigar at least 24 hours to reach the same temperature as the freezer (equilibrium) when it is moved into the freezer from the refrigerator. Based on this alone one should add 24 hours to amount of time cigars are kept in the freezer.
The times given above are to kill 95% of eggs. I have not found times required to kill 99.9% of eggs but doubling the LT95 for that temperature should be more than sufficient.

IN SUMMARY

Double bag your cigars and let them spend 24 hours in the refrigerator. I think everyone agrees that this gives the cigars a safe transition from room temp to near freezing. Move the cigars into the freezer. How long they should stay there depends on your freezer temp. If it is below -10c 72 hours in the freezer should be sufficient. That's 24 hours to get the cigars to -10c, 24 hours to kill 95% of eggs, and an extra 24 hours for good measure. When coming out of the freezer it is a good idea to let the cigars spend 24 hours in the fridge, and another 24 hours at room temp STILL SEALED IN THE BAGS. This protects the cigars from rapid changes in temp/humidity.

I know there are some out there who prefer to avoid freezing because of potential damage to cigars and the rest period required afterwards. The time required will vary greatly based upon the temp of your fridge. Keep in mind the temp will also fluctuate based on door opening/closing etc. (Although this occurs in the freezer, it is less of an issue due to the comparatively short time required) With an LT95 of 12 days at 5c I would personally keep cigars in there for at least 3 weeks.

This information should be applied to uninfested cigars for prevention of a beetle outbreak. If you have cigars that are infested or you know have been exposed to beetles they should be subjected to more lengthy treatment because they will presumably have far more eggs present than any uninfested cigars that picked up some eggs during manufacture.
----------

My method is pretty similar.

I do:

Double/triple bagged or vacuum sealed.
3 days in the freezer at -15/-18C
1 day in the refrigerator
1 day at room temperature

Back into the humidor.

I usually let them sit at least a month before smoking, but I have plenty of cigars so it is not a problem to just forget about them for a while. I have smoked a cigar the day after freezing just to see what would happen. The first 1/4 was a little bland, but then it picked up nicely.

I don't go into the refrigerator first, but I know a lot of BOTLs do. I have never had a problem with wrappers cracking, so I just continue to do it that way.

If you are freezing a box of cigars and the box is too large to fit into a ziplock bag, I usually ziplock the cigars and then wrap the box in seran wrap and freeze it separately.

If you have access to a vacuum sealer, they work great. For singles, I just freeze them in an empty box and remove 95% of the air. Then when you take them out and put them in your humidor, there is almost no loss in RH. I have frozen many cigars without vacuum sealing, so it is not a huge deal.
----

alright, alright....

so i had them....


- 24 hours in the fridge
- 26 hours at 15 degrees frozen
- 24 hours in the fridge
- Then someone said, no man, you need to go longer!!! back to the freezer
- 90 hours in the fridge (almost 4 days now)

The question is... am i good? someone said 5 days, i htink that's overkill...

is 4 days in the freezer good enough?
---

Gentlemen,

Unless you are using a commercial type freezer that can reach temperatures of -40 degrees, freezing your cigars is, well, like using duct tape to patch a garden hose leak. In other words this is a temporary fix. I know this from personal experience and research over the years. Larvae can survive extended periods of exposure to temperatures of 0 degrees just fine. Even with professional fumigation and/or commercial freezing, you are still rolling the dice. It could just be a matter of time and luck. The "safe time frame" really depends on what degree of fumigation (read: GAS) was done to the cigars before they left the factory and also on what type of tobacco you're dealing with; because certain tobaccos are far more prone to infestation. A professional fumigation will only assure a 12-18 month safety window. Sorry, but that's the reality. AS I mentioned, keep in mind that certain tobaccos are more prone to larvae than others, but, that's another subject. The reality is that ALL cigar tobacco veins are home to microscopic beetle larvae, I don't care what cigar brand is involved. I repeat, ALL tobacco has dormant microscopic larvae in the juice of the veins. So, between the time the cigars leave the factory to the time you receive them, chances are that along the way somewhere, the cigars may have been exposed to an unfortunate but optimum temp/humidity level which is the perfect hatching environment. This "perfect" environment is usually created around 75 degrees and 75% humidity. In this environment larvae will awaken, hatch, an now start their quest to burrow out of the cigar in search of water. This may only have affected 1 cigar out of thousand, but if you happen to get THAT cigar, it's enough to cause an outbreak for you. And unfortunately it can take weeks or months before you notice any outwardly signs of an impending infestation. This is a problem that we manufacturers face every single day.

If you follow the following course of action, you will be one step ahead of a possible disaster. Regularly inspect every single cigar in every single box you are keeping in your humidors. The best way to do this is to get a piece of bright white paper and gently tap the foot of all the cigars, one by one, over the paper. If you see microscopic "dust like" particles (not small pieces of tobacco) peppering the paper, you can be absolutely certain that you have an infected cigar, or worse yet, cigars. You can also be certain that you will soon have a major outbreak. This is the first stage of an infestation. This early warning technique will save you a lot of heartache and will give you the ability to immediately pull any infected cigar or cigars, which by the way, are still very smokeable at this point. The other cigars in close proximity to a compromised cigar may or may not have been infected. Usually the infection starts with one cigar because only one beetle has hatched and immediately starts munching on neighboring cigars, thus the appearance of the dreaded "hole". This of course is a best case scenario. However, if cigars of the same batch or in the same box have traveled together (let's say in a box of 20 or 25) chances are that you can expect several, if not all, of those cigars to be affected. Now, the problem has become exponential. So, don't wait until you find those dreaded holes with scores of little bastards having lunch at your the expense of your hard earned money. I hope this helps. Good Luck.

Cheers,

Gael
---
Being failry new to cigars but quickly getting a big collection....I am admittedly paranoid about my precious collection gettin chewed up...

I freeze EVERYTHING. (the one exception being a vintage tubo)
double bagged in ziplock freezer bags.
fridge for about 24hrs
freezer for 3-5 days depending on if i forget them or not
fridge for 24hrs then into the humi

so far it has worked i guess...but I do need to get a thermometer in the freezer just to be sure.
---http://www.cigarsinternational.com/html/cig101_14ymt.asp

CIGAR 101

YOUR MICROWAVE: THE ANTI-BEETLE

Recently, complaints have once again been accumulating about the active life of the "Lasioderma Serricorne", the dreaded tobacco beetle, in cigar boxes. There is possibly a secret weapon now existing to eventually eliminate these small beasts that cannot even be seen by the bare eye - the microwave.

The tobacco beetle exists in all tobacco-planting countries and infests the tobacco leaf before it is processed. In Caribbean countries, the hot climate suits this terror of the aficionados particularly well. When the larvae (up to 4mm long, white and plump) hatch, the moths eat their way through the tobacco or, respectively, through the cigar - this can be detected by the small punctures which show up on the wrapper leaf. Then a cigar often looks like a small flute.

Exposing the tobacco to gas in their countries of origin obviously seems to help only in a limited way, since this insect turns out to be very capable of surviving. Like the moth, the tobacco is also filled with life - of a botanical type. Up until recently, the attempt was to destroy the beetle and the larvae of the infested cigars by shock-freezing them at the temperature of minus 20 to 22 degrees centigrade. Tobacco importers, though not all of them, are deep-freezing their tobaccos, as well as their cigars, for up to 14 days.

Tobacco importers like Philipp Schuster of August Schuster Cigarrenfabrik in B�de, fared very well with this method - however at a freezing temperature of minus 28 degrees centigrade! "At higher freezing temperatures, the larvae and eggs of the to-bacco beetle can still survive, even if the moths themselves die". This is exactly the point. Botanists also admit the survivability, even at low temperatures.

The humidors, and not just the electrically and electronically controlled humidors of tobacconists, are creating permanent Caribbean environmental conditions around the clock, independent of the seasonal conditions in their countries of origin. The Cologne cigar pro Peter Heinrichs had extensive problems with the tobacco beetle brought in with a lot of boxes.

His shock-freezing experiments did not prove to be a lasting solution. After the deep-freezing there are no more moths caught in scented "love traps" anymore, since in principle the insects were annihilated. However the larvae, which remain encapsulated in the cigars, are not neccessarily destroyed. The thicker the cigar, the better the chances are that eggs and larvae will survive even icy temperatures. The life-cycle of the beetle from the laying of the egg up to the hatching of the larvae is around 46 days. In climate-controlled rooms and humidors and at a temperature of 20 degrees centigrade, the beetles are laying eggs only once. In Caribbean countries, at a temperature often by far exceeding 30 degrees centigrade, a repetition of egg production occurs.

Peter Heinrichs lowered the temperature of the humidor down to 17-18 degrees centigrade and at the same time the humidity as well - under 60%. What happened was that in the shock-frozen boxes, the beetles gradually moved to the wrapper surface of the cigar - evidence of the survivability of the larvae. "Even before opening the filler, one could see under the magnifying glass, that the encapsulated larvae still lived".

Heinrichs experimented with the possibility of destroying the larvae with gamma rays. The idea with the microwave was then born. It was quickly observed that some cigars couldn't stand the ray treatment, regardless of its duration or degree. Heinrichs exposed the cigars by entire boxfuls for 3 minutes at a maximum setting of 350 watts. Of course, the cigars totally dried up. After being microwaved, the boxes are deep-frozen for 24 hours at a temperature of minus 20 degrees centigrade, and immediately thawed at room temperature. During this process, the cigars regain their moisture, as Heinrichs says, in contrast to the cigars being thawed in the refrigerator, where the moisture would be withdrawn from them. This method obviously functions, and can be used by the aficionado as well. The cigars should never be put into the microwave individually, but only together as whole boxes, then transferred immediately into the freezer - single cigars can be put into plastic bags as well - after that they should be thawed at room temperature and returned to the humidor. All cigars kept in the humidor must be checked individually for the tobacco beetle. Already infected cigars, recognizable by the small punctures in the wrapper leaf, should be disposed of immediately, and the others should also undergo the microwave process as a precaution, packing single cigars together in a box. Give the humidor a lukewarm wipe and definitely do not use any disinfection sprays.
----
Aged Frozen vs Un-Frozen Taste Test
http://groups.google.com.sg/group/alt.smokers.cigars/msg/c6ce558df61003bf?=en&lr=&rnum=5
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