CANNED AND FROZEN FOOD
by Dr. Lawrence Wilson
© May 2025, LD Wilson Consultants, Inc.
All information in this article is for educational purposes only. It is not for the diagnosis, treatment, prescription or cure of any disease or health condition.
Contents
I. Canned Food
II. Frozen Food
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History. Canning food is an old and common form of food preservation. In many nations in the past, people canned some of their summer farm crops to preserve them. This was a way to have more food during the cold winter months when they could not obtain fresh food. When done properly, it was a good method.
This is not the case in nations such as Japan that depend more upon the sea for their food. In these nations, fresh food is possible all year round. So canning food was much less needed.
Today canning is less needed thanks to refrigeration and modern transportation methods.
Other advantages. Canning saves cooking time and makes it possible to eat certain foods such as sardines that are delicate and difficult to ship. It is also excellent for emergencies if fresh food is not available.
Good quality canned food is packaged and cooked near the area where it was caught or grown. It will last several years this way, although it is best if used as fresh as possible.
As a general principle, we recommend fresh food rather than canned food. However, there are exceptions.
EXCEPTIONS
- Sardines. Sardines are an essential food for development. We strongly recommend them for everyone.
Sardines are packaged very soon after being caught. Then they are cooked quickly and properly. Where we live, this is the only way to buy sardines.
Fresh sardines would be better, but are not available. Dried sardines may be available, but so far they do not test well.
- Other fish. One can also buy canned smelt, anchovies and herring. These are occasional foods for development. We do not recommend canned tuna or salmon because they have too much mercury.
- Vegetables. Canned vegetables are not best. However, they are definitely better than eating no vegetables at all.
- Other. Recently, we found that I needed a little canned beef soup. Possible reasons are:
- Perhaps the canning company has access to better quality beef than we have.
- Perhaps the canning company can clean up food better than we can.
- Perhaps the canned soup is a formula that is difficult for us to duplicate.
CURRENT RECOMMENDATIONS
At this time, the only canned food we recommend is sardines. Eat some canned vegetables if you cannot find fresh vegetables where you live.
CAUTIONS WITH ANY CANNED FOOD
- Check the expiration date. Do not use food that is close to its expiration date. It would be best if canned food also carried a date of manufacture, but this is uncommon.
- Inspect all cans for dents or other damage. Do not use if damaged. We don't believe that the chemicals used to line the cans are too toxic.
- Once one opens a can, use the food within two or three days. Do not keep it longer. Some people also say to take it out of the can, but we don't think this is necessary.
II. FROZEN FOOD
This is common in the markets. As a rule, we do not recommend frozen food. When we test it, it does not test well. Possible reasons are:
- Freezing the food bursts the cell walls and damages the food.
- EDTA is added to preserve the color of some frozen foods, even if this is not listed on the food label. EDTA is a toxic chelating agent that removes minerals from the surface of the food. This results in less oxidation of the food, which preserves the color of the food.
- We believe other chemicals are added to some frozen food.
- The food may be old.
EXCEPTIONS
Some meats. If you can only obtain meats that are frozen, this is better than no meat or very poor quality meat. For example, where we live if one wants to buy wild game, it is available frozen, but not fresh.
Some people buy a large quantity of meat and freeze it to store it. We don't recommend this, but it is probably not too bad.
Some meats, such as chicken, are shipped in a mildly frozen state. This is not the same as hard frozen and does not seem to damage the chicken.
- Coffee. One can store coffee in the freezer. This does not seem to harm the coffee.
AVOID OTHER FROZEN FOODS
Some people keep bread in the freezer. We don't recommend this and we don't recommend bread.
Many people buy all sorts of frozen products such as pizza, tacos, and entire meals. These do not test well and we don't recommend them.
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