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- Araroba_powder abstract "Araroba powder is a drug occurring in the form of a yellowish-brown powder, varying considerably in tint, which derives an alternative name, Goa powder, from the Portuguese colony of Goa, where it appears to have been introduced about the year 1852, and is also known as Bahia powder.The tree which yields it is the Andira Araroba of the natural order Leguminosae. It is met with in great abundance in certain forests in the province of Bahia, preferring as a rule low and humid spots. The tree is from 80 to 100 ft. high and has large imparipinnate leaves, the leaflets of which are oblong, about 12 in. long and 1 in. broad, and somewhat truncate at the apex. The flowers are papilionaceous, of a purple color and arranged in panicles.The Goa powder or araroba is contained in the trunk, filling crevices in the heartwood. It is a morbid product in the tree, and yields to hot chloroform 50% of a substance known officially as chrysarobin, which has a definite therapeutic value and is contained in most modern pharmacopoeias. It occurs as a micro-crystalline, odorless, tasteless powder, very slightly soluble in either water or alcohol; it also occurs in rhubarb root. This complex mixture contains pure chrysarobin, di-chrysarobin methylether, di-chrysarobin. Chrysarobin is a methyl trioxyanthracene and exists as a glucoside in the plant, but is gradually oxidized to chrysophanic acid (a dioxy-methyl anthraquinone) and glucose. This strikes a blood-red color in alkaline solutions, and may therefore cause much alarm if administered to a patient whose urine is alkaline. The British pharmacopoeia has an ointment containing one part of chrysarobin and 24 of benzoated lard.Both internally and externally the drug is a powerful irritant. The general practice amongst modern dermatologists is to use only chrysophanic acid, which may be applied externally and given by the mouth in doses of about one grain in cases of psoriasis and chronic eczema. The drug is a feeble parasiticide, and has been used locally in the treatment of ringworm. It stains the skin and linen a deep yellow or brown, a coloration which may be removed by caustic alkali in weak solution.".
- Araroba_powder wikiPageID "2904730".
- Araroba_powder wikiPageLength "2727".
- Araroba_powder wikiPageOutDegree "22".
- Araroba_powder wikiPageRevisionID "678569140".
- Araroba_powder wikiPageWikiLink Alkalinity.
- Araroba_powder wikiPageWikiLink Andira.
- Araroba_powder wikiPageWikiLink Anthraquinones.
- Araroba_powder wikiPageWikiLink Bahia.
- Araroba_powder wikiPageWikiLink Benzoic_acid.
- Araroba_powder wikiPageWikiLink Category:Dermatologic_drugs.
- Araroba_powder wikiPageWikiLink Chrysarobin.
- Araroba_powder wikiPageWikiLink Chrysophanic_acid.
- Araroba_powder wikiPageWikiLink Crystallinity.
- Araroba_powder wikiPageWikiLink Dermatitis.
- Araroba_powder wikiPageWikiLink Dermatophytosis.
- Araroba_powder wikiPageWikiLink Fabaceae.
- Araroba_powder wikiPageWikiLink Glucose.
- Araroba_powder wikiPageWikiLink Glucoside.
- Araroba_powder wikiPageWikiLink Goa.
- Araroba_powder wikiPageWikiLink Lard.
- Araroba_powder wikiPageWikiLink Methyl_trioxyanthracene.
- Araroba_powder wikiPageWikiLink Parasiticide.
- Araroba_powder wikiPageWikiLink Portugal.
- Araroba_powder wikiPageWikiLink Psoriasis.
- Araroba_powder wikiPageWikiLink Redox.
- Araroba_powder wikiPageWikiLink Rhubarb.
- Araroba_powder wikiPageWikiLinkText "Araroba powder".
- Araroba_powder wikiPageUsesTemplate Template:Botany-stub.
- Araroba_powder wikiPageUsesTemplate Template:Dermatologic-drug-stub.
- Araroba_powder wikiPageUsesTemplate Template:EB1911.
- Araroba_powder wikiPageUsesTemplate Template:Multiple_issues.
- Araroba_powder wikiPageUsesTemplate Template:Orphan.
- Araroba_powder wikiPageUsesTemplate Template:Update.
- Araroba_powder subject Category:Dermatologic_drugs.
- Araroba_powder hypernym Drug.
- Araroba_powder type Drug.
- Araroba_powder type Drug.
- Araroba_powder type Redirect.
- Araroba_powder comment "Araroba powder is a drug occurring in the form of a yellowish-brown powder, varying considerably in tint, which derives an alternative name, Goa powder, from the Portuguese colony of Goa, where it appears to have been introduced about the year 1852, and is also known as Bahia powder.The tree which yields it is the Andira Araroba of the natural order Leguminosae. It is met with in great abundance in certain forests in the province of Bahia, preferring as a rule low and humid spots.".
- Araroba_powder label "Araroba powder".
- Araroba_powder sameAs Q4784286.
- Araroba_powder sameAs m.08bln8.
- Araroba_powder sameAs Q4784286.
- Araroba_powder wasDerivedFrom Araroba_powder?oldid=678569140.
- Araroba_powder isPrimaryTopicOf Araroba_powder.