Methods of Food Preservation

Preservation of food can done in many ways otherVegetables are rarely dried as it takes all the flavor
than using a refrigerator and here we will look at someand vitamins out of them.
of these options. First let's ask ourselves a question.Pickling is a method of preserving food by creating a
Why do need to preserve food? Well simply put foodchemical reaction which is safe to us but which
is essentially biological and was at one point alive andbacteria are unable to survive in. There are various
just like us when we die we start to degrade or rot.ways in which this can be done with the most
Some foodstuffs are seasonal so if we did notcommon ones being the use of vinegar or brine. Brine
preserve them the majority of food would be wastedis produced when fermentation of salted water
as most of it would become ripe to eat at the sameproduces an acid solution. As this is more a chemical
time resulting in too much food at this point and nonesystem the method tends to change between
at others. Preservation processes must be nondifferent foods as foods with more moisture can
damaging to the food and non toxic to us so thisproduce brine much easier than dryer foods. Food can
narrows down the options.last for many months using this process which doesn't
Drying works on the principle that bacteria needsrequire a heat source like the sun or fire unlike the
water to grow so by removing the water the growthdrying method of preservation.
of bacteria which rots the food is slowed or evenSugaring is a method used to preserve fruit where the
stopped. This is a long established method offruit is placed into a sugar based syrup this is popular
preservation involving drying out the food using the sun,with apples, pears, apricots and many other fruits.
wind or possibly smoking. An added benefit of drying isSometimes the fruit is cooked in this syrup and then
that it hardens the surface or skin of the food whichdried and stored and in some instances the fruit skins
stops dirt and other bacteria from contaminating theare used as dried fruit skins are popular as a delicacy
food. Dried or smoked fish has been a popularin some countries.
preserved food for hundreds of years and stillFreezing is the method that most of us use as most
regarded by many today as tastier than fresh fish.people have home freezers that are cheap to run. An
Meat is another product that can be dried although inadvantage of frozen food is that many products can
many cases it is salted first, all red meats are able tonow be bought ready frozen to go straight into your
be preserved in this manner. Fruits are also dried butfreezer. Even foods that are unsuitable for freezing
undergo changes in texture and taste during thiscan be cooked and then frozen and many are
process some examples are drying a plum producesprepared so that that defrosting before cooking is also
a prune and drying a grape produces a raisin.not required.