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BALSAM (from Gr. f &X raµov, through ...

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Originally appearing in Volume V03, Page 286 of the 1911 Encyclopedia Britannica.
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BALSAM (from Gr. f &X raµov, through See also:Lat. balsamum, contracted by popular use to O. Fr. basme, mod. Fr. bdme; Eng. See also:balm)  , a See also:term properly limited to such resins or oleo-resins as contain benzoic See also:acid or cinnamic acid or both . Those balsams which conform to this See also:definition make up a distinct class, allied to each other by their See also:composition, properties and uses . Those found in See also:commerce are the See also:balsam of See also:Peru, balsam of Tolu, liquid storax and See also:liquidambar . Balsam of Peru is the produce of a lofty leguminous See also:tree, Myroxylon Pereirae, growing within a limited See also:area in See also:San See also:Salvador, Central See also:America and introduced into See also:Ceylon . It is a thick, viscid oleo-See also:resin of a deep See also:brown or See also:black See also:colour and a fragrant balsamic odour . It is used in See also:perfumery . Though contained in the pharmacopeias it has no See also:special medicinal virtues . Balsam of Tolu is produced from Myroxylon toluiferum . It is of a brown colour, thicker than Peru balsam, and attains a considerable degree of solidity on keeping . It also is a product of See also:equatorial America, but is found over a much wider area than is the balsam of Peru . It is used in perfumery and as a constituent in cough syrups and lozenges . Liquid storax or styrax preparatus, is a balsam yielded by Liquidambar orientalis, a native of See also:Asia See also:Minor .

It is a soft resinous substance, with a pleasing balsamic odour,, especially after it has been kept for some See also:

time . It is used in See also:medicine as an See also:external application in some parasitic skin diseases, and internally as an expectorant . An analogous substance is derived from Liquidambar Altingia in See also:Java . Liquidambar balsam is derived from Liquidambar styraciflua, a tree found in the See also:United States and See also:Mexico . It contains cinnamic acid, but not benzoic acid . Of so-called balsams, entirely destitute of cinnamic and benzoic constituents, the following are found in commerce: See also:Mecca balsam or See also:Balm of See also:Gilead, from Commiphora opobalsamum, a tree growing in See also:Arabia and See also:Abyssinia, is supposed to be the balm of Scripture and the OaXo-aµov of See also:Theophrastus . When fresh it is a viscid fluid, with a penetrating odour, but it solidifies with See also:age . It was See also:regal-See also:deal with the utmost esteem among the nations of antiquity and to the See also:present See also:day it is peculiarly prized among the See also:people of the See also:East . For balsam of See also:copaiba see COPAIBA . Under the name of See also:wood oil, or Gurjun balsam, an oleo-resin is procured in See also:India and the Eastern See also:Archipelago from several See also:species of Dipterocarpus, chiefly D. turbinatus, which has the odour and properties of copaiba and has been used for the same purposes . Wood oil is also used as a See also:varnish in India and forms an effective See also:protection against the attacks of See also:white ants . See also:Canada balsam or Canada See also:turpentine is the oleo-resin yielded by Abies balsamea, a tree that grows in Canada and the See also:northern parts of the United States .

It is a very transparent substance, some-what fluid when first run, but thickening considerably with age, possessed of a delicate yellow colour and a mild terebinthous odour . It contains 24 % of essential oil, 6o % of resin soluble in See also:

alcohol, and 16 % of resin soluble only in See also:ether . Its See also:chief uses are for mounting preparations for the See also:microscope and as a See also:cement for See also:glass in See also:optical See also:work . The See also:garden balsam is an See also:annual plant, See also:Impatiens balsamina, and the balsam See also:apple is the See also:fruit of See also:Momordica balsamina, nat. See also:order See also:Cucurbitaceae .

End of Article: BALSAM (from Gr. f &X raµov, through Lat. balsamum, contracted by popular use to O. Fr. basme, mod. Fr. bdme; Eng. balm)
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HUGH DE BALSHAM (d. 1286)

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