Meat Essences and Extracts.
There are several varieties of these articles in liquids, pastes, and solids. Some, at least, of them, without being true nutrients are excellent as condiments, stimulants, and tonics for digestion. Meat juices contain a substance called kreatine, which is similar in its exhilarating properties to the peculiar principles of tea and coffee. Fifty pounds of meat are said to be required to make one pound of Liebig’s meat extract. These preparations are valuable additions to other foods, but all that is needed for nourishment should be added to them.