Scientific and applied pharmacognosy for students of pharmacy, and practicing pharmacists, food and drug analysts and pharmacologists

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Wiley, 1915 - Health & Fitness - 857 pages
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Page 341 - Prepared mustard, German mustard, French mustard, mustard paste, is a paste composed of a mixture of ground mustard seed or mustard flour with salt, spices and vinegar, and, calculated free from water, fat and salt, contains not more than twenty-four...
Page 126 - B, long prisms of catechin (rl) found on treatment of gambir with a solution of hydrated chloral, the crystals soon dissolving, and prismatic plates (e) usually seen in glycerin mounts of gambir; C, crystals from aloes, including aloin (a), broad prisms (b) from Barbadoes aloes, and plates (c) from Cape aloes; D, crystals of benzoic acid obtained by subliming benzoin on a slide or in a watch crystal.
Page 174 - ... or even I inch in diameter, frequently sharply angled, exhibiting almost a triangular shape on cross-sectioning. They are nearly the same diameter for the greater portion of their length, being attenuated at both ends. They are brown to a red-brown in color and longitudinally ridged. The transverse markings, due to their being wrapped with twine during the process of curing, give them a curious twisted appearance. They are generally split open and lack almost entirely the odor of vanillin, their...
Page 236 - ... alternating striae of light brown parenchyma cells and dark-brown medullary rays, occasionally with reddish-brown cork patches and small radiate scars of fibrovascular tissue, smooth and sometimes covered with a light-brown powder; fracture somewhat granular; internally light brown ; odor distinct; taste bitter, astringent and gritty. Light and spongy rhizomes should be rejected. INNER STRUCTURE.
Page 191 - B, spike showing bracts (o), young sessile fruits (d), and * mature fruit with long pedicel (e). C. longitudinal section of mature fruit showing pericarp (i), union (1) of seed and pericarp, large perisperm (k), small endosperm (m). which surrounds the embryo (E).
Page 445 - Rutaceae). a tree indigenous to northern India and cultivated in the European countries bordering the Mediterranean, the West Indies and other tropical and sub-tropical countries. The outer yellowish layer is the part used and it is removed by grating. DESCRIPTION. — The outer, lemon-yellow or dark yellow layer recently separated by grating or paring and consisting of an epidermal layer, numerous parenchyma cells containing yellow chromoplastids and large schizo-lysigenous oil cavities with globules...
Page 516 - While caffeine can be produced synthetically, it is usually prepared from tea and tea dust or sweepings. If crystallized from aqueous solutions it contains one molecule of water of crystallization which is wanting' if it is crystallized from alcohol, chloroform or ether. The crystals from aqueous solutions may attain a length of 20 mm. At 25 C. one part of caffeine is soluble in 45.6 parts of water; 53.2 parts of alcohol; 375 parts of ether; and 8 parts of chloroform. Caffeine. — Crystals from...
Page 743 - At 25 C. one part of quinine sulphate (containing 8H...O) is soluble in 720 parts of water; 86 parts of alcohol; 400 parts of chloroform. It is readily soluble in a mixture of chloroform (2 parts) and absolute alcohol (1 part) ; and one part is soluble in 36 parts of glycerin at 25 C. It is only sparingly soluble in ether. When crystallized from a dilute alcoholic solution, upon a microscopical slide, the individual needles may attain a length of 4 mm. (Fig. 226). iO. A. Oestcrle, Grundriss der...
Page 745 - ... wood; odor very slight, distinctive, the dust sternutatory; taste bitter and nauseous, somewhat acrid. Stems cylindrical, attaining a length of 10 cm. and a thickness of 2 mm., dark brown, finely longitudinally wrinkled and with a few elliptical scars.
Page 477 - ... moistened and subjected to the same process of heating will result in the production of forms similar to those of the genuine article. Tapioca is chiefly used in the making of puddings. CLUYTIA SIMILIS.— The entire plant of Cluytia similis (Fam. Euphorbiaceae), indigenous to South Africa, is reputed to be of value as an antidote for anthrax and for the disinfection of anthrax-infected meat, while the root is stated to be eaten by some of the natives as an antidote for snake-bite poisoning....

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