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By shankar 11
Why presevatives argon employ?
We know that except foods that ar grown in person all food products contain preservatives. Manufacturers mix up the preservative during processing time only.
Main purpose of adding preservative is to neutralise spoilage of food during the transportation time.
There were different methodologies that were use from olden-age till today for food economys. As the days are passing, mod technologies are playing vital role and then there is continuous improvement in this field.
Some of the earlier used techniques in this field were boiling, freezing, pasteurization, dehydration and so on
Today we use even nuclear radiation technique similarly. Some of the modern packaging methods like vacuum packing and hypobaric packaging also act as preservatives.
Chemical preservatives are also used now-a-days. They seem to keep the food more fresh and sizable for longer period of time.
Some of the preservatives used are:
Benzoates much(prenominal) as benzoic acid
Nitrates like sodium nitrate(NaNo3)
Sulphites such as sulphur -dioxide(so2)etc.
These chemicals either act as antimicrobial or antioxidants or sometimes even both. They kill bacteria, moulds, insects etc.
Antimicrobials prevents the growth of moulds, yeasts etc. These antimicrobials keep the food safe by not allowing to formulate black spots on them. They suppress the reactions when the food comes in contact with oxygen, heat, metals etc.
These preservatives also prevent the loss of some native vitamins as well as amino acids and thus plays a very effective role in food preservation process and when the food that we consume is fresh and healthy, our body as well as our jumble both plump rejuvenated and our skin throws the radiance effect that makes our skin glow and make us look younger than our actual age.
Shankar Mahanti for myoptimalskincare.com
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