Home Preservation Methods--The Advantages and Disadvantages Part II

Updated on March 17, 2016

Extending the Harvest

In our first article, we discussed the advantages and disadvantages of eating food fresh, root cellaring, and freezing. Even though those are good in many ways, there are disadvantages and many of those disadvantages can be alleviated by using a form of food preservation that can extend the use of our food harvests even longer.

Advantages and Disadvantages of Canning

Processing and sealing food airtight containers is called canning. Canning began after the French military in 1795 offered a cash prize of 12,000 francs for a new food preservation method. By 1806, Nicolas Appert had a proven method of packaging that prevented microorganisms contaminating from the food he canned. Since then, cans and jars have been used both commercially and in homes to can large quantities of all types of foods.

Advantages:

Canning alters food chemically by changing the moisture, pH, or salinity levels to protect against microbes, bacteria, mold, and yeast. It also limits food enzyme activity. Combining these chemical processes with the physical barriers of glass jars, seals, and lids effectively prevents decay.

Can keep canned foods on shelves from 1-2 years or longer

Can be economical when using home grown or locally grown produce.

Disadvantages:

Glass jars can break

Seals can be broken causing spoilage

Canning is time consuming.

Improper methods can be dangerous. When jars fail to seal, spoilage will occur However, inadequate processing or poor sanitation can result in deadly Clostridium botulinum contamination. Strictly following instructions provided with your canner is always recommended.

Most canning is done in the heat of summer and can increase air conditioning costs

Canned food does not taste as good as fresh food does.

Food when canned has lower nutritional value than fresh food does. Canned fruits and vegetables have 65% fewer vitamins and minerals than freshly picked ripe fruits and vegetables do.

It also requires a significant investment of time and equipment. Using canning equipment just once or twice a season might not be often enough to defray the cost of the equipment.

Filled canning jars are heavy and bulky. These jars require heavy-duty shelving for storage. They also are heavy to move from location to another.

Advantages and Disadvantages of Pickling

Advantages:

Pickling rivals freezing, canning and drying for preventing foods from spoiling.

It also adds unique flavors to meals that might otherwise be boring.

Many fermented foods are also good sources of nutrients, including vitamins, amino acids and healthy bacteria.

Pickle juice can be used to facilitate hydration and can be used to decrease muscle cramps caused by heat.

Allows food, such as cucumbers and zucchini and summer squash, can be preserved longer than the food could be eaten fresh.

Disadvantages:

Pickling alters the taste of foods permanently, therefore the pickled item might not be a possible consideration as a substitute for a fresh ingredient in a recipe.

High-sodium products like pickles can cause higher blood pressure so moderate your pickle consumption.

Like canning it requires the expense of jars, lids, and other canning equipment. However, unlike canning, pickling does not require the use of a pressure canner.

Advantages and Disadvantages of Drying Food

Removing water from food and thereby inhibiting bacterial growth in foods is the method of food preservation known as drying. This method has been around since ancient times. Today solar or electric food dehydrators are used to speed this drying process and makes it possible to dry food even in humid conditions.

Advantages:

Dried foods if stored properly can keep indefinitely

Dried foods are extremely lightweight and can be moved easily. Drying foods can weigh as little as 10% of that of what the fresh food weighed before the drying process.

Drying foods can be a great way to save foods that are bought in excess. For instance, when we buy a stalk of celery, we use just so much of it. The rest we can dry to use in soups at a later time.

Dried fruits are a sweet alternative to sugary treats, and dried herbs and vegetables add flavor to otherwise boring foods.

Disadvantages:

Dried food does not taste the same as fresh food does.

Moisture can cause dried foods left in the food in the drying process or allowed in during storage can cause mold on food.

Overly dried fruits, vegetables and meats can be exceptionally hard, often to the point where they do not soften. Texture is often noticeably changed. Jerky for instance will never be made into a regular piece of meat. Fruit leathers will never become fruit or fruit sauce again. The dried product would rot before it softened.

Dehydrated foods have had all the water removed, so be sure to increase fluid intake if consuming large quantities of dried foods.

Advantages and Disadvantages of Smoking Food

The process of burning or smoldering plants in order to flavor, cook or preserve food is known as smoking. In the United States and other parts of North America, mesquite, hickory, mesquite, pecan, oak, alder, maple, and fruit-tree (apple, cherry, and plum) woods, such as apple, cherry, are used for smoking.

Advantages:

Smoking Kills certain bacteria and slows down the growth of others. It prevents fats from becoming rancid, and prevents mold from forming on fermented sausages. It extends shelf life of the product.

The smell and flavor of smoked meat is appetizing. Smoking changes the color of the meat and makes meats shine and appear redder and more appealing.

Disadvantages:

The process requires constant attention and equipment that can be costly. It is difficult to keep the food moist due to low moisture contents in the smoker, and it is also difficult not to contaminate meat flavor. Problems can occur if the fire is too hot (cooking the meat before it is properly smoked) or if there is not enough smoke or heat (the meat goes bad before it can be smoked).

Statistical correlations exist that indicate that smoked foods may contain carcinogens. The smoking process contaminates food with Polycyclic aromatic hydrocarbons (PAHs) contaminate food when the food is smoked. Some experts believe that when smoked foods are consumed, it increases gastrointestinal cancer risks. Not everyone, however, agrees that the evidence is definitive.

Knowing Your Food Preservation Options

As you have seen, no one type of food preservation is best for every situation, however, by knowing the advantages and disadvantages of the various types of food preservation is right for your current situation. Perhaps you'll start by trying to simply grow your own food to eat fresh, and that's fine, but when you find yourself more of a certain food than you and your family can eat at one time, its nice to know that it does not have to go to waste.

Questions & Answers

  • What about salting method of preserving food?

    I have personally never used it much which is why I did not include it in the article. I have used salt in the pickling process and have used it to make sauerkraut, which I then canned, but never exclusively. However, I do believe that if you place meat between layers of salt, it will dry it out.

  • Is this thesis regarding home preservation methods based on real research?

    This is based on my own actual experience. I have used all of these home preservation methods.

Comments

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    • profile image

      damaris 

      2 months ago

      nice one you helped me

    • cygnetbrown profile imageAUTHOR

      Cygnet Brown 

      2 years ago from Springfield, Missouri

      Jin Zi Yue, sure, just, be sure to credit this article with the information

    • profile image

      Jin Zi Yue 

      2 years ago

      Urgent!!!

      Please reply quickly.

      Can I use your info for my report?

      Please reply in jin_zi_yue @qifa-lead.edu.sg

      Thank You

    • profile image

      erasto sellah 

      3 years ago

      Nice!!!

    • LongTimeMother profile image

      LongTimeMother 

      5 years ago from Australia

      Hi cygnetbrown. Interesting hub.

      In Australia we call it bottling. I always think of canning as involving cans. :) I've never tried smoking foods, but I do love having jars of homegrown produce on the shelves to get us through winter.

      Voted up.

    • cygnetbrown profile imageAUTHOR

      Cygnet Brown 

      5 years ago from Springfield, Missouri

      Alise-Evon, I love the taste of dried celery and I hate wasting food. I just wish it was worth it to dry lettuce!

    • profile image

      Alise- Evon 

      5 years ago

      This was a very helpful comparison. I always wondered how much nutrition was lost in the canning process. I love drying things, either in the sun or in my electric dehydrator (when it's too humid or in the winter.) Your suggestion to dehydrate celery is excellent- I do not use it up quickly enough, so this is one way I can prevent waste of good food.

      Voted up, useful, and shared.

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