List some of the old methods of food preservation followed at home giving examples and their viability in present times.
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Freeze. The colder a food is, the slower its rate of deterioration. ...
Freezing herbs. • Herbs in water can be frozen in ice cube trays. ...
Heat. ...
Boiling to make fruit preserves. ...
Use strong concentrations. ...
Pickling in vinegar. ...
Fermenting alcohol. ...
Exclude air.
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