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
Sodium nitrate is a common man-made preservative used to extend the shelf life of processed meats like hot dogs and bacon.
no it's not a 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.
Preservative is a noun.
Preservative 220 is sulphur dioxide
Yes it is. lemon juice is a natural preservative
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.
No, apple cider vinegar is not a preservative. It is commonly used in cooking and as a health remedy, but it does not have preservative properties to prevent spoilage of food.
Yes, it can be used as a food preservative, primarily by inhibiting microbial growth.
No
No, it is not a good preservative for food, because if it is digested it can be very deadly.
im still trying to find out! someone plz answer this