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Updated: May 9, 2025
And no wonder; for a very slight proportion of tannic acid in the water corrugates and stiffens the thin, smooth skin of the anemone, like the tanning of leather. A certain natural density of the sea-water must also be preserved, ranging between no wider limits than 1026 and 1028. And in the open tank evaporation is constantly deranging this, and must be met by a supply from without.
Taste is there, no doubt. But such taste! The food is without variety: oak, for three years at a stretch, and nothing else. What can the grub's palate appreciate in this monotonous fare? The tannic relish of a fresh piece, oozing with sap; the uninteresting flavour of an over-dry piece, robbed of its natural condiment: these probably represent the whole gustative scale.
Some of these bodies are actively poisonous in their nature, and introduce a possible element of danger to the wearer of the dyed article. For many years, almost the only method of dyeing cotton goods with the aniline colors consisted in a preliminary steeping in sumac or tannic acid, followed by a passage in some suitable compound of tin, and subsequent dyeing in the coloring matter.
Tannic acid taken into the human stomach in large quantity produces, according to the U.S. Dispensatory, "only a mild gastro-intestinal irritation." Passing over the phosphoric acid, the gluten, and other interesting constituents of the tea leaf, we proceed to the observed effects of tea upon the human system.
Brukner fails to confirm this difference, obtaining a voluminous precipitate with tannic acid and acetate of lead in the case of both substances.
Suppose no mercury is found in the dialyzed fluid, owing to the fact that corrosive sublimate enters into insoluble compounds with albumin, fibrin, mucous membrane, gluten, tannic acid, etc., we must dry the insoluble matter, and heat it with nitro-hydrochloric acid until all organic matter is destroyed and excess of nitric acid expelled.
Apply at night; requires thorough washing next morning. HELONIAS COMPOSITION: Helonias, fifteen grains; Squaw wine, sixty grains; Viburnum Opulus, fifteen grains; Caulophyllum, fifteen grains; syrup, two ounces. Dose: Teaspoonful every two hours. LEUCORRHOEA: Ext. Hyoscyamus, one dram; ext. Hamamelis, one dram; tannic acid, one dram; ext.
You now see, no doubt, the necessity of sharply discriminating between two classes of colouring matters, which we may term colour acids and colour bases respectively. There are but few acids that act like tannic acid in fixing basic aniline dyestuffs, but oleic acid and other fatty acids are of the number.
Gilles ate beef-, salmon-, and bream-pies; levert-and squab-tarts; roast heron, stork, crane, peacock, bustard, and swan; venison in verjuice; Nantes lampreys; salads of briony, hops, beard of judas, mallow; vehement dishes seasoned with marjoram and mace, coriander and sage, peony and rosemary, basil and hyssop, grain of paradise and ginger; perfumed, acidulous dishes, giving one a violent thirst; heavy pastries; tarts of elder-flower and rape; rice with milk of hazelnuts sprinkled with cinnamon; stuffy dishes necessitating copious drafts of beer and fermented mulberry juice, of dry wine, or wine aged to tannic bitterness, of heady hypocras charged with cinnamon, with almonds, and with musk, of raging liquors clouded with golden particles mad drinks which spurred the guests in this womanless castle to frenzies of lechery and made them, at the end of the meal, writhe in monstrous dreams.
Mabel offered him stewed tannic acid in the name of tea, and Ticknor suggested a chair, but he waved both offers aside and continued as if the picture before his mind and the words he was remembering might escape him if he took things easy. "Sahib, they were very much excited when he spoke of action.
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