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Dry Age, Wet Age
3Pedals6Speeds
Posts: 439
I watched a couple videos on youtube of steak houses showing off their dry aging rooms. One thing that consistently comes across is that their drying rooms keep the humidity at 50% or so, whereas our household fridges run near 90% to preserve the food.
With the drybags that are all the talk here, how does it make up for this difference in humidity? I looked on their website, and I don't see much detail to explain how the humidity issue is dealt with. There's a lot of talk about making sure no air hits your steak (interesting in that the professional dry aging rooms appear to want air flowing over the beef), but I'm not seeing how the humidity is lowered below that of the surrounding air in the fridge.
With the drybags that are all the talk here, how does it make up for this difference in humidity? I looked on their website, and I don't see much detail to explain how the humidity issue is dealt with. There's a lot of talk about making sure no air hits your steak (interesting in that the professional dry aging rooms appear to want air flowing over the beef), but I'm not seeing how the humidity is lowered below that of the surrounding air in the fridge.
Comments
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some commercial agers go 80% or more.
it doesn't preserve the food, it keeps it from drying too quickly. our home fridges are dehydrators. the meat drawer might be humid, but for the most part the home fridge dries things quickly.
RRPs reference of the studies earlier tonight are the first thing that speak directly to the real point of the bags. to slow drying and meter it better. the home fridge will dry too much. you get less time to age before the meat dries out.
but apparently the bag slows this.
they offers nothing really as far as food safety (which however seems to be why most are interested in buying them), but they do seem to allow the meat to age longer before losing too much water.
you can dry age without the bags, but i'm thinking if you did one in the dry-aging bag next to another with no bag, at the end of four weeks, the bagged meat would be just as aged but will have lost less water. two things are going on when you dry age. aging (breakdown of the muscle fibers by enzymes, which make it tender and also add flavors as a byproduct), and condensing the meat (removing water to literally concentrate the flavors and fat especially).
part of the idea is to lose water, just not too much.
contrary to the warnings of many, humidity has little to do with food safety (with regard to aging beef). it DOES have to do with how fast it dries.
you can age effectively anywhere from 50% to 80% relative humidity (and i guess you saw even 90% somewhere)... you just will have less time to age the meat in a drier environment.
i go 21-28 days with rib eye subprimals, and 14 or so with strip loin. that's with no bags, in a spare fridge.
some age at temps under 32 (meat won't freeze solid at 32 really), up to a high of maybe 36-38. opening and closing a fridge won't have any effect, you can't cause the meat to warm up appreciably under normal daily opening/closing of a fridge, even the main fridge.
it's less a science than art, but there are logical reasons for everything.
i guess i don't care whether folks bag or not. i used to be confused why the mention of aging beef was met here with indifference... if folks are more willing to try it because of the bags, so be it. it's all good i guess.
just not needed. neither is a special fridge or anti-bacterial lights. those help, but they are like a powered draft unit. insurance, but no substitute for the old humna head and experience. -
I'm certainly no expert but have had experience with the Drybags. I know air circulation is important with the Drybag and for that reason those little "dorm room" refrigerators aren't really that good for dry ageing. I believe the Drybag allows a controlled release of moisture on a gradual basis. My first sub primal lost 18% weight in 21 days and tomorrow I'll be processing my second one at 28 days and will post the results. In the meantime did you see the thread I posted today which has gotten buried already dealing with sealing a Drybag with a Food Saver. If not here it is:
http://www.eggheadforum.com/index.php?option=com_simpleboard&func=view&id=758505&catid=1Re-gasketing the USA one yard at a time -
RRP - I had seen that link. It sounds like you're getting similar dehydration levels (and loss of weight) as supposedly goes on in non-bag dry aging. One of the videos I saw that caught my eye was here
http://www.youtube.com/watch?v=aOg28S7PoU8&NR=1 -
Have you tried to offset the drying effect of the fridge by adding a tray of water to the process? Of course you would have to replenish it every few days or so. My thinking is that the larger amount of water for the fridge to evaporate the longer the primal will stay moist.
Any thoughts? -
haven't tried. i'm frankly not worried about the drying. if i had the dry-bag setup i would certainly go 45 days like the place we have that sells aged beef.
i will go 21-28 days. enough flavor develops for me from the aging at that point. the available meat in my area is all choice. if i had prime, well, that'd be another thing altogether. prime is ideal for aging because the fat condenses (there's more of it of course). aging at home in the regular un-bagged way, choice at 28 days is a good happy-medium.
an open bowl of water is something folks'll add to a small wine cooler/fridge. they don't always have any humidity control... but the water can get slimy after a while, unless you add bleach. and that bleachy smell would be horrible in that kinda meat-oriented environment i think.
if you have a normal fridge, even your daily fridge,, it's fine for say 28 days. after that i bag and freeze. if i had a vacuum sealer, i might seal them to stop the drying and just let them wet age after that.
it's kind of a pick-n-choose thing. what do you want to get out of it? and how flexible do you have to be?
from rrp's references, looks like the bags control the loss at a fixed rate in a variety of environments. can't be a bad thing. especially if you have the nads to shoot for 7 weeks or more of aging.
i just submit that it's possible to do it all without any special stuff. just like it's possible to do an overnight without a powered draft unit. would i like a dry-bag sealer and a guru? sure. just don't have the need yet, and have great results so far.
at first it sounded like a gimmick, but rrp and i have been talking offline, and he's been filling me in as it goes. i'd offered that it would be good to do a side by side (bagged versus no bag), but that means he's buying two rib eye primals...
anyway, his notes and the stuff he posted today (the studies) bear out what i think we were trying to figure out.
i just don't want anyone to think it's REQUIRED to have the equipment, but i'm also not trying to denigrate his efforts. no way. he's helped educate me quite a bit, and i think he's learned some stuff from me (maybe). what he has seems workable for him and there's nothing negative about that. -
The day I stop learning will be the day they plant me. I'm always open to new ideas and thoughts.
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ah shucks, stike, I like it when you get mellow... :laugh:Re-gasketing the USA one yard at a time
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Thanks for posting that and I watched it but I really have to question his statement about 90% humidity levels in a home refrigerator! If that were the case contents would be constantly molding! Just think about it! That would be a rain forest in there! Maybe our grandparents refrigs were higher in humidity, but these today are defrosting ones and have significantly lower humidity levels.Re-gasketing the USA one yard at a time
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i wasn't seeing the rationale for the bags, honestly. i think they were looking to me like some gimmick that made folks feel better about putting meat in a fridge for a long time. you know. that it needs to be wrapped to stay "safe".
after RRP shared his results, and we talked back and forth, we started thinking it was actually slowing the weight (water) loss. my stuff loses weight more quickly than his in the bags (from what i can tell).
so the lightbulb went off in my head. hmmm. i could go 45 days with those things. hahha
unwrapped, i top out at four weeks though. -
waiting for a rendering to solve itself. with my machine it's still taking six or eight hours... ugh.
that, and the laphroig, have me settled in doin nuthin -
That was my thinking also. Not so much a safety issue, but a slowing of weight loss to allow for longer aging and more intense flavors, without the bag.
Another thought would be to add lemon juice to the tray of water to slow the slime buildup. -
I can't see any reason they would be any different humidity than local air would be if it were the same temperature,which around here is pretty dry, in the southern states not so much. Pretty much nowhere 90% I don't think.
Doug -
Anybody wanna try 60 days???I'm in!
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OK,
I will order some dry bags; I have been wanting to try them any way. When I come back to work in December I will leave one whole PRIME whole rib eye cut in half in the refrigerator in the garage (hope it doesn't hurt the beer
) for 5 weeks. I will be gone over 4 anyway so I won't get impatient. I will post the results of what I find on weight loss and taste. Not scientific but only my opinions. I have really been enjoying the forum for the last couple of weeks and can't wait to get back to cooking. -
you guys are making me hungry.
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i have some gore tex fabric.... i'm going to try that.... primals wrapped in old clean sheets and towels(changed frequently) have worked for me for many years....the price of those dry bags is a little too rich for me...
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you can forego the sheets and towels, FWIW...
"stretch-tite" brand plastic wrap is moisture permeable too. it's like saran-wrap. there are different brands, but those that are very strong and clingy tend to be made of PVC (reformulated). the strength and cling is why we always use it, but it can still allow things to dry out (or, conversely, dry things to get damp) because it slowly allows moisture though itself.
other cling wraps (the ones that aren't clingy or strong) tend to preserve the moisture better (or keep it out).
but maybe you could use the weakness of 'stretch-tite' to your gain.
i wonder if it would work to wrap the meat in something like that.
i never understood the use of the towels, frankly. wicks too much moisture too early, and creates a potential bacteria-favorable environment (although temp control helps that). -
Last night for kicks and giggles I placed my Oregon Scientific hygrometer in the refrig on the same shelf next to the rib eye sub-primal. I have checked it several times in the last 12+ hours and I see it has maintained a relative humidity between 42 and 44%. The refrig is a 2 year old GE Profile series. I just couldn't buy that 90% claim at all!Re-gasketing the USA one yard at a time
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That's good to hear. Makes me wonder if we need a dry bag at all? Just buy an untrimmed strip sirloin and let 'er run for 4-6 weeks.
Probably need to do that in a spare fridge though...... -
Yes you guys are making me hungry and I am on the hunt for some Prime grade NY Strip primals.
"Bacon tastes gooood, pork chops taste gooood." - Vincent Vega, Pulp Fiction
Small and Large BGE in Oklahoma City. -
get the ribeye if you can... for my money, nothing ages like a rib eye.
if i am going to buy a fresh steak, it's the nystrip, but the rib eye, of all of them, is the one that benefits most from aging. aging it is transformative. goes from being 'just' great to unimaginable. -
Ribeye it is then, cause I want unimaginable!"Bacon tastes gooood, pork chops taste gooood." - Vincent Vega, Pulp Fiction
Small and Large BGE in Oklahoma City. -
i should have said "pants-wetting". more pants-wetting than unimaginable.
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i've found that it does not take long to form a dry"crust".... that seems to limit the evaporation after the initial drying period....just curious.... but how did folks age things prior to plastic and modern refrigeration?..... once we get cap and trade.... the question might become more poignant....rr
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