At different times, fat, sodium, carbohydrates, sugar and protein have all been targeted as “bad” dietary factors. Right now the focus seems to have shifted to gluten: a protein found in cereal grains, especially wheat but also rye, barley and oats. For a small proportion of consumers such as those diagnosed with coeliac disease or wheat allergy, the avoidance of wheat and other gluten-containing foods is essential. Symptoms for sufferers can include nausea, vomiting, cramping, bloating, abdominal pain, fatigue and even very serious conditions such as liver disease. The prevalence in the population of coeliac disease and wheat allergy, while significant, sits between 1-2%. But consumer foods...
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