Our expert says:
In a modern world where we have to feed millions of people and food is no longer produced at home, food additives like preservatives are essential to prevent food spoilage. The fact that people like and buy foods that are commercially produced which contain colourants and flavourants, is of course the reason why food manufacturers continue to use these food additives. So although they are not strictly necessary like the preservatives, popular demand fuels their use.
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