220 Sulfur Dioxide
A colourless pungent toxic gas formed by burning sulphur in air.
Sulphur dioxide is a preservative used to prolong the live of wine and prevent discolouring of fruit juice and dried fruit.
The preservative is used to maintain the appearance of the fruit rather than prevent rotting.
202 Potassium Sorbate
Potassium sorbate molecular formula is C6H7O2K and its systematic name is potassium
(E,E)-
Potassium sorbate is a preservative and used to prevent mold, and yeasts in foods such as dried fruit, yoghurt, cheese, wine and dried meats.
It is also used in herbal supplements to prevent molds and microbes and to increase the shelf life.
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