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Ethanol has many properties that make it an excellent preservative at high enough concentration. It is antimicrobial, it is stable and does not easily react, and it readily penetrates and diffuses through tissues and entire organisms,

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Glycerol is used as a cryoprotectant as it protects the cell from damages due to freezing.

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Glycerol slows down the metabolic activity of the micro organism.

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Q: How does ethanol act as a preservative?
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Related questions

What is the purpose of ethanol in biology?

It's mainly used as a disinfectant and preservative.


An organic compound A is widely used as a preservative in pickles and has a molecular formula C2H2O2 This compound reacts with ethanol to form a sweet smelling compound B?

An organic compound A is widely used as a preservative in pickles and has a molecular formula C2H2O2 This compound reacts with ethanol to form a sweet smelling compound B known as acetic acid.


Why happens if salt is added to vegetables?

it act as a preservative and enhance self life and also flovour.


What is use of ethanol?

Ethanol can be used as a solvent in the manufacture of varnishes and perfumes as a preservative for biological specimens, in the preparation pf essences and flavorings, in many medicines and drugs, and as a disinfectant and in tinctures. We us ethanol in our gas. It is found in Alcoholic Beverages, but by far the largest use is as a motor fuel. It is used as a biofuel called bioethanol, and as a grain alcohol in drinks.


Is lecithin a preservative?

no it's not a preservative


What is natural preservative?

Salt is a natural preservative.


What is ethylparaben?

It is the ethyl ester of 4-hydroxy benzoic acid. Its structure is HO-Phenyl-C(=O)-O-CH3. It synthesised by refluxing Ethanol with 4-hydroxy benzoic acid. It is used as a food preservative.


What part of speech is the word preservative?

Preservative is a noun.


Is ethanol a reactant or a product?

Your question is not right.ethanol is also know as ethyl alcohol. When you take the preparations of ethanol,here it acts as product example ethane reacts with water to give ethanol C2H4+H2O gives C2H5OH in this example ethanol is a product. When we take chemical or physical properties of ethanol it act as reactent in the chemical equation. Example-combustion or burning of ethanol in air gives carbon dioxide and water. C2H5OH+3O2 gives 2CO2+3H20 in the above example ethanol is a reactent.


Pickles do not spoil but sambar gets spoil why?

Pickles are usually made with a lot of vinegar, oil or salt. Any one of these will act as a preservative.


Why do pickles do not spoil why sambar gets spoils?

Pickles are usually made with a lot of vinegar, oil or salt. Any one of these will act as a preservative.


Is a lemons juice preservative?

Yes it is. lemon juice is a natural preservative