Immunoassays and other methods also suffer from extraction problems with dark chocolate, due to interactions of the allergenic proteins with other components, especially tannins. In light of all of these difficulties, US scientists at the Center for Food Safety and Nutrition have developed a new method for detecting the principal allergen, Ara h 1, in dark chocolate, based on proteomics

Scientists from University of Hertfordshire (UK) are using new chemistry laboratories to analyze a random selection of red wines to determine the levels of resveratrol which is a natural antioxidant found in red wine and red grape skins