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How does salt or vinegar help preserve food against spoilage from micro organisms?
Wiki User
∙ 11y ago
Salt helps to preserve foods by lowering water activity. Some disease causing microorganisms and spoilage organisms are inhibited when the water activity is reduced by salt. Vinegar decreases the pH, inducing an acidic environment. In both cases, producing an environment that is not hospitable for bacteria.
Wiki User
∙ 11y ago
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Why can acids act as a preserving agent?
Most pathogenic, many spoilage organisms and many enzymes associated with spoilage do not like to operate in acid conditions. That's why acids like vinegar are used to preserve food.
Why use Vinegar as a Preservative?
The acidic nature of vinegar prevents bacterial growth.
How oil and vinegar prevent spoilage of food?
Oil and vinegar have antiseptic qualities which help preserve food. The oil submerses the food from any airborne contaminants, while the vinegar sterilizes the food's environment.
Why does pickling cucumbers in vinegar helps to preserve them?
Just like salt, to preserve meat, vinegar does the same to cucumbers.
Which cucumber will preserve in first salt water or vinegar?
sea cucubmber
What is the examples of food preserve?
vinegar (when pickling), salt . . .
Can you preserve walnuts?
Yes, walnuts can be pickled in vinegar
How do you pickling?
By using small amount of vinegar it preserve pickle.
Why do you use salt and vinegar to preserve vegetables and fruits?
Yes
What is the point of soaking an egg in vinegar?
to turn it into a rubbery substance and to preserve it
Will vinegar preserve roses?
The best to use is silica sand or you can press them.
Why do foods like dry soup mixes remain un spoilt for many days?
Spoilage in foods is due to fungus or bacterial growth. Dried soups lack water and so form a hostile environment to those organisms. Other methods of preserving food from spoilage include adding salt, adding sugar, adding vinegar canning, or irradiating the food. These last two kill any spoiling organisms inside the food, so until the food is removed from it's sealed package it doesn't spoil.
