11342969 - A plate of acid and alkaline forming foods in balanced proportions11342964 - Acid-forming and base-forming food on a kitchen scales71097038 - Hot water coming from undergound volcanic layers charged with Sulphur laying the mineral at the surface and forming sulphuric acid and foetid gases, thus forming a peculiar, colourful landscape.13924986 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13925342 - The image presents crystallized malic acid, photographed through the microscope in polarized light at a magnification of 100X\n13924754 - The image presents crystallized mixture of malic acid and hydroquinone photographed through the microscope in polarized light at a magnification of 100X\n13925480 - The image presents crystallized mixture of urea and malic acid, photographed through the microscope in polarized light at a magnification of 100X\n13924619 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13924640 - The image presents crystallized mixture of myoinositol and tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13925388 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13924313 - The image presents crystallized mixture of urea and mailc acid, photographed through the microscope in polarized light at a magnification of 100X\n13925174 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13925164 - The image presents crystallized mixture of tartaric acid and TRIS, photographed through the microscope in polarized light at a magnification of 100X\n13924395 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13924873 - The image presents crystallized mixture of malic acid, salicylic acid and acetanilid, photographed through the microscope in polarized light at a magnification of 100X\n13925180 - The image presents crystallized tartaric acid, photographed through the microscope in polarized light at a magnification of 100X\n13925537 - The image presents crystallized mixture of tartaric acid, malic acid and acetanilid, photographed through the microscope in polarized light at a magnification of 100X\n13924325 - The image presents crystallized mixture of malic acid, salicylic acid and acetanilid, photographed through the microscope in polarized light at a magnification of 100X\n12605339 - Acidic foodstuffs00213352 - Stuffed tomato with buckwheat, sauerkraut, spring onions00213358 - Vegetable tempura in wooden box with wedge of lime00213336 - Muesli grits with spelt, millet, citrus fruits & mint00213361 - Amaranth with vegetables from the wok in bowl with chopsticks00213351 - Quinoa on green wrapping paper00213331 - Fresh honied fruit (honey dripping from cooking spoon)00213353 - Gnocchi with tomatoes, shallots and sorrel00213338 - Millet in a bowl with wooden spoon11250087 - Various glazed pastries and coffee beans on a rustic wooden table00117323 - Large and small piece of Parmesan00233750 - Artichokes with lime dip00213326 - Cereals, cane sugar, bread drink etc in pots (basic foods)00213339 - Millet in a white bowl00233756 - Mussels with tomatoes and olives00213365 - Flummery sorbet with raspberry & banana puree and mint00213341 - Rocket and wild rice salad with radishes and ginger00233755 - Fresh sprouts, leeks and a raw egg00213337 - Grains of wheat on wooden spoon00233749 - Artichoke hearts and tomatoes in baking dish00213328 - Sprouts and berries in bowl, yellow plums in front00213327 - Raspberries in plastic box, strawberries, redcurrants in beaker00075052 - Close Up of a Block of Parmesan Cheese14544056 - Abstract aerial view of Salt and sulfur formations at Dallol, Ethiopia.14545124 - Abstract aerial view of Salt and sulfur formations at Dallol, Ethiopia.