Balsam of peru
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Balsam of peru

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synonyms, source, constituents, constituents, tests, uses

synonyms, source, constituents, constituents, tests, uses

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Balsam of peru Presentation Transcript

  • 1. PERUVIAN BALSAM
  • 2. SYNONYMS  Balsam Peru  Indian balsam  Black balsam  China oil  Honduras balsam  Surinam balsam
  • 3. SOURCE  Balsam Peru is obtained from Toluifer pereiare (Klotzsch) Baill. (Myroxylon pereiare Klotzsch) belonging to family: Leguminosae.
  • 4. GEOGRAPHICAL SOURCE Central America in the forests of San Salvado.
  • 5. PREPARATION  Peruvian Balsam is a pathological product and is obtained usually by inflicting injury to the trees.  It is prepared by beating the stems of the trees with mallet.  After a week the injured areas of the stem are scorched so as to separate the bark from the stem and after a similar duration the bark is peeled off completely.
  • 6.  The desired balsam starts exuding freely from all the exposed surfaces, which are then covered carefully with cloth or rags to absorb the exuding balsam.  The cloth or rags that are completely soaked with the balsam is then removed and boiled with water in a large vessel slowly.  Thus, the balsam gets separated and settles at the bottom of the vessel.  The supernatant layer of water is removed by decantation and the residual balsam is dried and packed in the containers.
  • 7. CHARACTERISTIC FEATURES  It is a dark brown, viscid liquid having a pleasant aromatic odour.  It has a peculiar warm bitter taste and persistent aftertaste which resembles like vanilla.  The Balsam Peru is transparent in thin films.  It does not harden on being exposed to atmosphere.  It is brittle when cold.  It is almost insoluble in water and petroleum ether but soluble in ethanol, chloroform and glacial acetic acid.
  • 8. CHEMICAL CONSTITUENTS  Peruvian balsam contains free benzoic and cinnamic acids (12-15%); benzyl (40%); esters of these acids (5.2-13.4% cinnamein); and volatile oil (1.5-3%).  The fragrant volatile oil contains toluene, styrol, benzoic and cinnamic acids.
  • 9.  The resins esters (30-38%) are chiefly composed of peruresinotannol cinnamate and benzoate, vanillin, free cinnamic acid and peruviol (or nerolidol). 
  • 10. USES • Stimulant, expectorant, parasiticide. • Used in scabies and skin diseases;. • It is a good antiseptic, expectorant and a stimulant to the heart, increasing blood pressure; its action resembles benzoic acid. • Given internally, it lessens mucous secretions, and is of value in leucorrhoea and chronic bronchitis, and asthma. • It is also used in soap manufacturing, for its fragrance, and because it makes a soft creamy lather, useful for chapped hands. • Balsam of Peru can be applied alone or as an ointment made by melting it with an equal weight of tallow.