The correct answer is D. Sodium metabisulphite.
Sodium metabisulphite is a food additive that is used as a preservative to protect processed food from spoilage. It is a white, crystalline powder that is soluble in water. Sodium metabisulphite is effective in preventing the growth of bacteria and fungi, which can cause food to spoil. It is also used to prevent the browning of fruits and vegetables.
Sodium sulphate is a mineral that is used in a variety of industrial and commercial applications. It is not used as a food additive.
Saccharin is an artificial sweetener that is used in place of sugar. It is not used as a food preservative.
BHT is a food additive that is
used to prevent the oxidation of fats and oils. It is not as effective as sodium metabisulphite in preventing the growth of bacteria and fungi.Sodium metabisulphite is a safe and effective food additive that has been used for many years. It is approved for use in the United States by the Food and Drug Administration (FDA). Sodium metabisulphite is generally recognized as safe (GRAS) by the FDA.
Sodium metabisulphite can cause allergic reactions in some people. It is important to read food labels carefully and to avoid foods that contain sodium metabisulphite if you are allergic to it.