There are many food additives for food that do not offer any food safety benefits & are added to improve the sensory qualities (Organoleptic qualities) of the food. Possible health risks of these additives are poorly defined but some associations have been put forward (e.g. hyperactivity in children). <br>Organoleptic qualities that they may afffect are colour (e.g. dyes), emulsifiers, sweetners (e.g. saccharin, acesulfame k, aspartame) & flavour enhancers (e.g. Sodium Glutamate).