Table 7.

Most common food preservatives, food additives and conventional ingredients and their percentage used in food.

Preservatives	Percentage used
Sodium chloride	2 and 4%
Sucrose	1%
Acetic acid	0.1 and 0.3%
Ascorbic acid	0.015 and 0.055%
Benzoic acid	0.05 and 0.1%
Sodium benzoate	0.05 and 0.1%
Sodium sulfite	0.05 and 0.25%
Sodium metabisulfite	0.05 and 0.25%
Potassium metabisulfite	0.05 and 0.25%
Sodium nitrate	0.02 and 0.05 %
Sorbic acid	0.025 and 0.1%
Tartaric acid	1%
Citric acid	0.02 and 0.035%
Calcium propionate	0.1 and 0.4%