A Manual of Organic Materia Medica and Pharmacognosy

A Manual of Organic Materia Medica and Pharmacognosy

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1905 edition. Excerpt: ...in panicles, usually unisexual. Drupes 1-seeded, the seed large, with oily cotyledons. Habitat.--Ceylon. Description Of Drug.--Long, cylindrical quills deprived of the corky layer by scraping; compound, consisting of 8 or more thin, papery, light brownish-yellow, quilled layers, inclosed one within the other, their sides curling inward, giving the sticks a flattened appearance on one side; somewhat flexible, with a splintery fracture; the outer surface is marked with shining, wavy bast lines, and occasionally with small scars or perforations indicating the former position of leaves; under the microscope it is seen to be formed by a layer of stone cells. The inner surface is darker and striated. A characteristic, sweet, fragrant odor, and a warm, aromatic, pungent, and sweetish taste run through the different cinnamon barks, but the taste of the Ceylon cinnamon is the more delicate. The broken pieces, caused by repacking at custom-houses (sorted and sold as "small cinnamon"), are commonly used in pharmacy. Powder.--Reddish-brown. Characteristic elements: Parenchyma of cortex with starch, spherical (7 to 15 /i in diam.), simple, 2 to 4 compound, also with tannin masses, and calcium oxalate raphides about 5 in diam., other large cells with resin and oil; sclerenchyma with bast fibers, rather short, thick-walled; stone cells single or in groups having walls usually unequally thickened; Ceylon cinnamon has no cork; as compared with Saigon, the bast fibers are longer and more pointed, stone cells larger, both more numerous; Saigon cinnamon fewer bast fibers and stone cells and regular cork cells with reddishbrown contents. Constituents.--Principally volatile oil; tannin, mucilage, a coloring principle, and an acid are also...show more

Product details

  • Paperback | 260 pages
  • 189 x 246 x 14mm | 472g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236917537
  • 9781236917539