What are the different methods used in protecting humans foods against spoilage?

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What are the different methods used in protecting humans foods against spoilage?

one paragraph pls.... tnx!

2007-12-09 17:39:19 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Biology

3 answers

freezing
refrigeration
dehydration
salting
pickling
smoking
canning
pasteurizing
adding preservatives
radiation

2007-12-09 17:49:09 · answer #1 · answered by OKIM IM 7 · 1⤊ 0⤋

Canning, pasteurisation, salting, sugaring, drying, smoking, jellying, vac-packing, oxidation, osmotic inhibition, usage of lye (sodium hydroxide), irradiation, Modifying atmosphere (mainly with plant products),

Help?

2007-12-10 02:17:18 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Preserving using chemicals - eg: salt, sugar and chemicals.
Preserving using vaccuming.
Preserving using sun drying.

2007-12-10 01:47:06 · answer #3 · answered by IIDX Chem 3 · 0⤊ 0⤋