Meaning of cooking

Cooking or cookery is the art of preaparing food for consumption with the use of heat.Cooking techniques and ingredients vary widely across the world, reflecting unique environmental economic and cultural trends.The way that chemical reactions without the presence of heat ,most notably with ceviche. Preaparing foods with heat or fire is an activity unique to humans, and scientists believe that advert of cooking played on important role in human evalotion.Most anthropologists believe that cooking fires first developed around 250, 000 years ago.The expansion of agricultere, commerce, trade and transportation between civilisation in different regions offered cooks many new ingredients.New invention and technology such as pottery for holding and boiling water, expanded cooking techniques.Some morden cooks apply advanced scientific to food prepation to further enhance the flavour of the dish served.Most ingredients in cooking are derived from living organisms.Vegetables, fruits,grains and nuts as well as herbs and spices come from plants, while meat ,eggs and dairy products come from animals.Mushrooms and the yeast used in baking are kings of fungi.Cooks also use water and minerals such as salt.Cooks can also involves a manipulation of the chemical properties of these molecules .Naturally occuring ingredients contain varriours amounts of moiecules called proteins,carbohydrates and fats.They also contain water and mineral.Cooking involves a manipulation of the chemical properties of these molecules.