Medical Botany; Or, Herbal Guide to Health

Medical Botany; Or, Herbal Guide to Health

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1870* edition. Excerpt: ...of which new or modified results, are produced: Or By combining substances which have the property of acting chemically upon each other: the result of, which is the formation of new compounds, or the decomposition of original ingredients, and the development of their more active elements: Or By combining substances, between which no other chemical change is induced than diminution or an increase in the solubility of the principles in which their medicinal virtues reside. This is accomplished By the intervention of substances that act chemically: Or, By the addition of ingredients, whose operation is entirely mechanical. 5th. To afford an elegible form: By which the efficacy of the remedy is enhanced: Or By which its taste rind appearance are rendered more agreeable: Or, With reference to its consistence or strength: Or, By which it is preserved from the spontaneous decomposition to which it is liable. 257. Medicinal Formula. A medicinal formula, when complete, is divided into four parts, the Base, the Adjuvant, the Corrective, and the Excipient. First the base (258) is the active ingredient of the prepaaration. Second the Adjuvant (Capsicum generally answers this purpose) is a substance intended to assist and promote the operation of the base, either by increasing its action, or, in some cases developing it. Third the Corrective is an ingredient intended to disguise the taste of the base (254) or to moderate its activity. It is usually an aromatic (124), demulcant, or saccharine matter. Fourthly, the Excipient is the substance which imparts form and consistence to the preparation. It is water in an infusion; honey or sugar in a conserve. These elements are not at all necessarily present in every formula, for many bases are so active as not to...show more

Product details

  • Paperback | 58 pages
  • 189 x 246 x 3mm | 122g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236525841
  • 9781236525840