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Updated: June 5, 2025
And, nevertheless, gelatine contains a large quantity of nitrogen, which is one of the most powerful elements in nutrition; on the other hand, beef tea may be chosen as an illustration of great nutrient power in sickness, co-existing with a very small amount of solid nitrogenous matter. Dr.
Gelatin, a constituent of soup and obtained from bones and connective tissue by boiling, is the best known of the albuminoid foods. On account of the nitrogen which they contain, proteids and albuminoids are often classed together as nitrogenous foods. *Carbohydrates.*—While the carbohydrates are not so essential to life as are the proteids, they are of very great value in the body.
Diarrhœa is sometimes present. The urine is usually scanty, of high specific gravity, rich in nitrogenous substances, especially urea and uric acid, and in calcium salts, while sodium chloride is deficient. Albumin and hyaline casts may be present in cases of severe inflammation with high temperature. The significance of general leucocytosis has already been referred to.
Salts and nitrogenous foods are essential to life. Hydrogen is a very light gas, without odor, taste or color. It is a necessary constituent of all growing, living things. It is plentifully supplied in water. All acids contain hydrogen and so does the protoplasm of the body. Nitrogen is also a colorless, tasteless, odorless gas.
Thus, the animal can only raise the complex substance of dead protoplasm to the higher power, as one may say, of living protoplasm; while the plant can raise the less complex substances carbonic acid, water, and nitrogenous salts to the same stage of living protoplasm, if not to the same level. But the plant also has its limitations.
Mackerel and Herring both abound in oil, the latter especially, giving not only relish to the Irishman's potato, but the carbon he needs as heat-food. Shell-fish are far less digestible, the Oyster being the only exception. The nitrogenous matter in oysters is fourteen parts, of fatty matter one and a half, of saline matter two, and of water eighty.
I drank copiously of a non-alcoholic chemical liquor and warmed on the heater and partook of some nitrogenous and some starchy porridges. It was an uncanny dining place, but hunger soon conquers mere emotion, and I made out a meal. Then once more I faced the task of confronting this dead likeness of myself. This time I was clear-headed enough.
The introduction of cream-of-tartar along with the arsenic neutralised its effect, but not so with the other two; and, singularly enough, the appearance of the liquor always shewed when the poisoning was complete; 'the nitrogenous layer on the cell-membrane seeming to have undergone a change similar to that produced by boiling. Judging from the results, Professor Erni believes 'that alcoholic fermentation is caused by the development of fungi.
Fortunately, a crucial test occurred to me, that of placing a large number of leaves in various nitrogenous and non-nitrogenous fluids of equal density; and as soon as I found that the former alone excited energetic movements, it was obvious that here was a fine new field for investigation."
At each feeding the food and water remaining were weighed back and deducted from the amount charged at the previous feeding. The hens and chickens fed a nitrogenous ration were given daily all they would eat of the following mixture: 1/3 part wheat bran, 1/3 part wheat shorts, 1/3 part cotton seed meal, 2 parts skimmed milk, and will be designated Lot I.
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