There has been increasing interest in recent years in the concept and production of natural foods. Advertising claims that food is natural, without additives or artificial ingredients, have taken on great importance in marketing. Consumption of food that can be considered natural is currently central to the sophisticated lifestyle. However, there is only a limited published literature on what constitutes natural food flavours. Much of the flavour and fragrance industry has worked on development of synthetic or 'nature-identical' flavours which represent a chemist's simu- lation of the natural...