What is "tannin"

Usage examples of "tannin".

The fodder being astringent will serve by its tannin, which is abundant, to cure or prevent looseness.

The root contains tannin and mucilage, it is therefore astringent and demulcent.

Chemically the flowers contain a yellow, odorous, buttery oil, with tannin, and malates of potash and lime, whilst the berries furnish viburnic acid.

Woodruff and brooklime, both rich in tannin, relieved burns when applied in butter with the root of a lily.

The combined writing and copying fluids, and the copying fluids on the other hand if properly made, may be justly recommended where permanency is the first requisition, particularly the older ones, which should be the most durable of all nut-gall and iron inks, because in them particularly concentration is aimed at, and the iron need not necessarily, and should not, be in excess of that required to combine with the tannin present.

The above affords a partial explanation, and seems fairly satisfactory when taken with my previous suggestion, namely, that during fermentation the bean is rendered pervious to water, which, on distributing itself throughout the bean, dissolves the isolated masses of tannin and diffuses it evenly, so that it encounters and becomes mixed with the enzymes.

I settled for a double dose of tannin secretion, an underdose of sun block, a darkened pair of mag specs, my height, and a local beard and hairstyle.

Substantially the same thing occurs with ink made with the respective acids, although the blue color remains for a time unimpaired in the tannin ink, apparently due to the fact that ferrous-tannate reduces indigo blue to indigo white, a change which the low reducing power of ferrousgallate does little to effect.

Crab Apple, armed with thorns, grows in our fields and hedgerows, furnishing verjuice, which is rich in tannin, and a most useful application for old sprains.

The last-named substance is the fruit of the Terminalia, a product of China and the East Indies, best known as Myrabolams and must have been utilized solely for the tannin they contain, which Loewe estimates to be identical with ellago-tannic acid, later discovered in the divi-divi, a fruit grown in South America, and bablah which is also a fruit of a species of Acacia, well known also for its gum.

They contain tannin, and a resinous camphire, which is common to most of the mints affording essential oils.

Such bark chemically contains cinnamic acid, tannin, a resin, and sugar, so that its continued use will induce constipation.

Ink -- Writing Inks -- Raw Materials of Tannin Inks -- The Chemical Constitution of the Tannin Inks -- Recipes for Tannin Inks -- Logwood Tannin Inks -- Ferric Inks -- Alizarine Inks--Extract Inks -- Logwood Inks -- Copying Inks -- Hektographs -- Hektograph Inks -- Safety Inks -- Ink Extracts and Powders -- Preserving Inks -- Changes in Ink and the Restoration of Faded Writing -- Coloured Inks -- Red Inks -- Blue Inks -- Violet Inks -- Yellow Inks -- Green Inks -- Metallic Inks -- Indian Ink -- Lithographic Inks and Pencils -- Ink Pencils -- Marking Inks -- Ink Specialities -- Sympathetic Inks -- Stamping Inks -- Laundry or Washing Blue -- Index.

Labiate herbs, comprising a volatile oil, some bitter principle, tannin, sugar, and cellulose.

The combined writing and copying fluids, and the copying fluids on the other hand if properly made, may be justly recommended where permanency is the first requisition, particularly the older ones, which should be the most durable of all nut-gall and iron inks, because in them particularly concentration is aimed at, and the iron need not necessarily, and should not, be in excess of that required to combine with the tannin present.