What's In My Food? is a set of twenty-five microscope slides depicting a wide variety of products relating to food, including plant material, dairy, mould and more. The slides comprise of:. Potato tuber T.S. Wheat flour. Rye flour. Rice starch. Potato starch. Bean, pod with pericarp and seed T.S. Yeast. Fresh milk, stained for fat. Sour milk, stained for bacteria. Bacteria from cheese. Mould in spoiled foodstuffs. Coffee bean T.S. Silvery pellicle of coffee bean. Ceylon tea, leaves T.S. Paprika, ground. Black pepper, ground. Cocoa powder. Nutmeg T.S. Mustard. Ginger, ground. Carrot, storage root T.S. Soya meal. Corn starch. Tobacco, leaves T.S. Hazelnut, T.S. stained for fat. Glossary:. T.S. - Transverse Section. The product image shows Yeast.