Except for wild game, wild mushrooms, wild berries and fish and shellfish, virtually all the food in European and American diets has long been derived from genetically modified organisms yes, even the organic stuff at Whole Foods and the local farmers market.

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Harvesting shellfish in the area is banned by the Food Standards Agency (FSA) on public health grounds.

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In some cases, certain foods, such as cow's milk, eggs, fish, shellfish, yeast products, nuts, and some food colourings and preservatives, can make symptoms worse.

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Caines takes Devon's regional ingredients several steps further, adding his own world-food nuances: ravioli of Brixham crab with a ginger-and-shellfish sauce, slow-poached Cornish sea bass with Thai puree, stir-fried shiitake mushrooms and a lemongrass foam, slow-roasted Hatherleigh venison with braised pork belly.

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