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Preserving perishable food
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Borislava


May 31, 2012, 12:35 AM
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Preserving perishable food
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Hello,

Have you ever tried successfully (or almost) to keep raw food fresh for some time?

I'm searching for a way to preserve food without the use of a refrigerator. In particular, I'm looking for an energy efficient solution i.e. consume less energy than a standard fridge. I don't really want to use the traditional ways of preserving food (like drying, putting food under salt, alchool, ethyl, or any other chemical substance) because they all alter the taste of food in some way.

I basically need to find:
a way to safely preserve perishable food (also raw)
that keeps the nutritional characteristic of the food itself unaltered
that is more energy saving than the best refrigerator available on the market
not involving:
- drying
- vacuuming
- putting under salt, alcohol, ethyl, oil
- canning
- smoking
- marinating
- chemicals
- preservatives

I'll really appreciate it if you could share your experience and tips :)


iknowfear


May 31, 2012, 1:18 AM
Post #2 of 15 (1755 views)
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Registered: Sep 8, 2004
Posts: 633

Re: [Borislava] Preserving perishable food [In reply to]
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Borislava wrote:
Hello,

Have you ever tried successfully (or almost) to keep raw food fresh for some time?

I'm searching for a way to preserve food without the use of a refrigerator. In particular, I'm looking for an energy efficient solution i.e. consume less energy than a standard fridge. I don't really want to use the traditional ways of preserving food (like drying, putting food under salt, alchool, ethyl, or any other chemical substance) because they all alter the taste of food in some way.

I basically need to find:
a way to safely preserve perishable food (also raw)
that keeps the nutritional characteristic of the food itself unaltered
that is more energy saving than the best refrigerator available on the market
not involving:
- drying
- vacuuming
- putting under salt, alcohol, ethyl, oil
- canning
- smoking
- marinating
- chemicals
- preservatives

I'll really appreciate it if you could share your experience and tips :)

well, you could can your food. It even works with meat, like canned ham of the hormel food corporation.


carabiner96


May 31, 2012, 7:26 AM
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Registered: Apr 10, 2006
Posts: 12509

Re: [iknowfear] Preserving perishable food [In reply to]
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iknowfear wrote:
Borislava wrote:
Hello,

Have you ever tried successfully (or almost) to keep raw food fresh for some time?

I'm searching for a way to preserve food without the use of a refrigerator. In particular, I'm looking for an energy efficient solution i.e. consume less energy than a standard fridge. I don't really want to use the traditional ways of preserving food (like drying, putting food under salt, alchool, ethyl, or any other chemical substance) because they all alter the taste of food in some way.

I basically need to find:
a way to safely preserve perishable food (also raw)
that keeps the nutritional characteristic of the food itself unaltered
that is more energy saving than the best refrigerator available on the market
not involving:
- drying
- vacuuming
- putting under salt, alcohol, ethyl, oil
- canning
- smoking
- marinating
- chemicals
- preservatives

I'll really appreciate it if you could share your experience and tips :)

well, you could can your food. It even works with meat, like canned ham of the hormel food corporation.
My understanding is that it would be very, very hard to safely can your own meat at home, even with a pressure canner. You'd be better off drying.

OP, you sound like you are looking for a way to keep food fresh but without putting any effort into it outside of putting it in a magic Eco box?


scott.nearing


May 31, 2012, 7:37 AM
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Registered: Aug 29, 2010
Posts: 48

Re: [carabiner96] Preserving perishable food [In reply to]
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     Very, very hard is an overstatement. Though canning acidic food is not something that can be done safely without attention to detail.

I've looked into this in detail; speaking to people knowledgeable in canning and internet searches. Below is a good link, good because I hold the USDA to be a reliable source of information.

http://nchfp.uga.edu/publications/usda/GUIDE%205%20Home%20Can.pdf


Borislava


May 31, 2012, 1:13 PM
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Re: [carabiner96] Preserving perishable food [In reply to]
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Thanks to everyone for the replies!
"putting it in a magic Eco box" will certainly work :) However, I don't exclude efford in the preservation method...
Canning and drying are great methods but they involve altering the characteristics of the food in some way. Do you know any way to keep raw food, well, raw for long time besides refrigerating?


Borislava


May 31, 2012, 1:18 PM
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Re: [scott.nearing] Preserving perishable food [In reply to]
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Scott, have you tried canning fish or food? Can you describe me the technique you used and the results you got, and if there were any problems. I'd like to know what the details you mention are, it's interesting! I'll also check the link


squierbypetzl
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May 31, 2012, 5:30 PM
Post #7 of 15 (1689 views)
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Registered: Jul 6, 2005
Posts: 3431

Re: [Borislava] Preserving perishable food [In reply to]
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Borislava wrote:
Thanks to everyone for the replies!
"putting it in a magic Eco box" will certainly work :) However, I don't exclude efford in the preservation method...
Canning and drying are great methods but they involve altering the characteristics of the food in some way. Do you know any way to keep raw food, well, raw for long time besides refrigerating?

I know a way. It definitely requires more effort for meats than for veggies, and the overall energy consumption might rival that of the very best fridges available, but if you're committed you'll find a way.

The secret to preserving meat for long periods of time (months, even years in some cases), while not altering the its flavour or nutrients, is to keep the animal alive until you're ready to consume it. Same goes for plant-based foodstuffs.

Troll.


dr_feelgood


May 31, 2012, 7:07 PM
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Registered: Apr 6, 2004
Posts: 25628

Re: [Borislava] Preserving perishable food [In reply to]
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Borislava wrote:
Hello,

Have you ever tried successfully (or almost) to keep raw food fresh for some time?

I'm searching for a way to preserve food without the use of a refrigerator. In particular, I'm looking for an energy efficient solution i.e. consume less energy than a standard fridge. I don't really want to use the traditional ways of preserving food (like drying, putting food under salt, alchool, ethyl, or any other chemical substance) because they all alter the taste of food in some way.

I basically need to find:
a way to safely preserve perishable food (also raw)
that keeps the nutritional characteristic of the food itself unaltered
that is more energy saving than the best refrigerator available on the market
not involving:
- drying
- vacuuming
- putting under salt, alcohol, ethyl, oil
- canning
- smoking
- marinating
- chemicals
- preservatives

I'll really appreciate it if you could share your experience and tips :)

You're probably one of those goofy raw food vegans. I'll try not to hold it against you.
Consider fermentation. Yes, it does change the characteristics of the food, but usually in a positive way by adding culture. Joke: What is the difference between the average american and a cup of yogurt? The yogurt has culture.

Check out this book: http://www.wildfermentation.com/wild-fermentation/


snoopy138


May 31, 2012, 7:29 PM
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Posts: 28650

Re: [squierbypetzl] Preserving perishable food [In reply to]
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squierbypetzl wrote:
Borislava wrote:
Thanks to everyone for the replies!
"putting it in a magic Eco box" will certainly work :) However, I don't exclude efford in the preservation method...
Canning and drying are great methods but they involve altering the characteristics of the food in some way. Do you know any way to keep raw food, well, raw for long time besides refrigerating?

I know a way. It definitely requires more effort for meats than for veggies, and the overall energy consumption might rival that of the very best fridges available, but if you're committed you'll find a way.

The secret to preserving meat for long periods of time (months, even years in some cases), while not altering the its flavour or nutrients, is to keep the animal alive until you're ready to consume it. Same goes for plant-based foodstuffs.

Troll.

your method does not work especially well for certain meats, such as lamb.


iknowfear


Jun 1, 2012, 12:36 AM
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Registered: Sep 8, 2004
Posts: 633

Re: [squierbypetzl] Preserving perishable food [In reply to]
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squierbypetzl wrote:
Borislava wrote:
Thanks to everyone for the replies!
"putting it in a magic Eco box" will certainly work :) However, I don't exclude efford in the preservation method...
Canning and drying are great methods but they involve altering the characteristics of the food in some way. Do you know any way to keep raw food, well, raw for long time besides refrigerating?

I know a way. It definitely requires more effort for meats than for veggies, and the overall energy consumption might rival that of the very best fridges available, but if you're committed you'll find a way.

The secret to preserving meat for long periods of time (months, even years in some cases), while not altering the its flavour or nutrients, is to keep the animal alive until you're ready to consume it. Same goes for plant-based foodstuffs.

Troll.

I expect a link with the answer to all our food preserving problems in 5, 4, 3, 1...
(the OP's question was a bit too specific - sounded like straight out of a tv-shopping ad)
- hence my reference to the hormel food corporation. (that went whoosh on everyone)


squierbypetzl
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Jun 1, 2012, 12:41 AM
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Re: [snoopy138] Preserving perishable food [In reply to]
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snoopy138 wrote:
squierbypetzl wrote:
Borislava wrote:
Thanks to everyone for the replies!
"putting it in a magic Eco box" will certainly work :) However, I don't exclude efford in the preservation method...
Canning and drying are great methods but they involve altering the characteristics of the food in some way. Do you know any way to keep raw food, well, raw for long time besides refrigerating?

I know a way. It definitely requires more effort for meats than for veggies, and the overall energy consumption might rival that of the very best fridges available, but if you're committed you'll find a way.

The secret to preserving meat for long periods of time (months, even years in some cases), while not altering the its flavour or nutrients, is to keep the animal alive until you're ready to consume it. Same goes for plant-based foodstuffs.

Troll.

your method does not work especially well for certain meats, such as lamb.

I did think about that, but perhaps there are ways of working around the inevitable aging process? Think kobe beef.


Toast_in_the_Machine


Jun 10, 2012, 4:42 AM
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Re: [Borislava] Preserving perishable food [In reply to]
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First - not to discourage trying, but if there was an easy way to keep food fresh, don't you think that a food industry that will irradiate food wouldn't have tried it already? Second, most of our food (i.e. "processed" food) is done so in a way to make it more "shelf stable" with as little cost and with as little change to the food profile as possible.

Some preserving processes (i.e. freezing) have some counter intuitive results. Most frozen peas are better nutritionally and flavor wise than fresh peas except in the harvest weeks. Dried beef (hmmmm - jerkey) has a higher calorie to weight ratio than raw beef (hmmmm - steak tartar).

The best way I have found to have fresh raw foods is to go to these new places you might have heard about; they are called "Target" and "Wal-Mart", and buy fresh raw food when I need it. If I buy it that day and eat it when I get home, there is no need for me to use a refrigerator.


SylviaSmile


Jun 10, 2012, 7:59 PM
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Re: [Toast_in_the_Machine] Preserving perishable food [In reply to]
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Toast_in_the_Machine wrote:
First - not to discourage trying, but if there was an easy way to keep food fresh, don't you think that a food industry that will irradiate food wouldn't have tried it already? Second, most of our food (i.e. "processed" food) is done so in a way to make it more "shelf stable" with as little cost and with as little change to the food profile as possible.

Some preserving processes (i.e. freezing) have some counter intuitive results. Most frozen peas are better nutritionally and flavor wise than fresh peas except in the harvest weeks. Dried beef (hmmmm - jerkey) has a higher calorie to weight ratio than raw beef (hmmmm - steak tartar).

The best way I have found to have fresh raw foods is to go to these new places you might have heard about; they are called "Target" and "Wal-Mart", and buy fresh raw food when I need it. If I buy it that day and eat it when I get home, there is no need for me to use a refrigerator.
+1 for food industry comment. -1 for shopping for fresh veg at Target and Wal-Mart. Total: 0

So I am a bit worried about my tomato in the fridge. I hope it is still good. I guess worrying about perishable food is a common human experience!


scott.nearing


Jun 19, 2012, 10:26 AM
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Registered: Aug 29, 2010
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Re: [Borislava] Preserving perishable food [In reply to]
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no, I'm trying to get the gear and information together so I 'can' when the opportunity comes about.

I live in a very rural area at this time, and did so when I lived at home like during high school. So I do know that canning meat is something that is done and works out only if you have the process down. The pdf and web site I linked covers it better than I 'can'.


edge


Jun 19, 2012, 12:44 PM
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Re: [scott.nearing] Preserving perishable food [In reply to]
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I carry spare sustenance in a circle just above my belt and below my solar plexus. I can last for weeks.


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