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A preservative is a substance that is added to products such as foods, pharmaceuticals, paints, biological samples, wood, etc. to prevent decomposition by microbial growth or by undesirable chemical changes.
Some examples are:
Antimicrobials, such as lactic acid, nitrate, nitrite, and hydroxybenzoate.
Oxidation prevention preservative, such as ascorbic acid sodium ascorbate and butylated hydroxytoluene.
Natural (non synthetic) preservatives, such as ascorbic acid, citric acid, salt, and vinegar.
For more information visit http://en.wikipedia.org/wiki/Preservative
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∙ 9y ago
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Is lecithin a preservative?
no it's not a preservative
What is natural preservative?
Salt is a natural preservative.
What is an organic preservative?
A shelf-extender that has no chemical, genetically modified or synthetic inputs or resources is a definition of an organic preservative. Rosemary serves as an example. It works as an organic preservative because carnosic and rosmarinic acids inhibit free-radical chain reactions that facilitate oxidation of fats and oils and therefore rancidity.
What part of speech is the word preservative?
Preservative is a noun.
Is a lemons juice preservative?
Yes it is. lemon juice is a natural preservative
What is preservative 220 in red wine?
Preservative 220 is sulphur dioxide
What the best preservative to use for liquid sauce?
Vinegar would be the best preservative. You can also use a little bit of salt or even lemon as preservative. Sugar syrup can also be used as a preservative if you want your sauce to be sweet.
Is sodium a preservative?
Yes, it can be used as a food preservative, primarily by inhibiting microbial growth.
Is oats a preservative?
No
What does sugar do to preserve bread?
Nothing, it is not used as a preservative in bread. to preserve bread is preservative not the sugar.
Is Formaldehyde a good preservative of food?
No, it is not a good preservative for food, because if it is digested it can be very deadly.
Does salt keep food fresh?
Sodium chloride is a preservative for foods killing microorganisms.
