Where to use sodium benzoate and potassium metabisulphate as preservatives in food preparations?

Answer 1

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Sodium benzoate is generally used in pickles and potassium metabisulphate(KMS) is added to juices and squashes as a preservative.

Answer 2

One has potassium and the other has sodium! They are both salts of benzoic acid.

But really, the two are the same in terms of their functionality -- they are both the conjugate base of benzoic acid. If you are simply making a buffer solution with benzoic acid and a benzoate salt, it makes no difference. However, if being used for human consumption, there is a difference between potassium and sodium.

For more, see the Wikipedia links to the left of this answer.

Answer 3

see this link plzz vote

http://books.google.co.in/books?id=tzRSK-IqhLYC&pg=PA337&lpg=PA337&dq=Where+to+use+sodium+benzoate+and+potassium+metabisulphate+as+preservatives+in+food+preparations%3F&source=bl&ots=a71GzPrR_X&sig=e0dPx7EYXvAsgjkAJoNuDmRwvYU&hl=en&ei=J7swSr74MdKfkQWpsYjOBw&sa=X&oi=book_result&ct=result&resnum=3#PPA341,M1

Answer 4

This is simple! use them on chicken. hope this helps!