Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – Orlandin
Copyright: n/a
Notes:
Species: A. nigerSystematic name: [8,8′-Bi-2H-1-benzopyran]-2,2′-dione, 7,7′-dihydroxy-4,4′-dimethoxy-5,5′-dimethyl-Molecular formulae: C22H18O8Molecular weight: 410Chemical abstracts number: 69975-77-5Selected references: Orlandin: a nontoxic fungal metabolite with plant growth inhibiting properties. Cutler, Horace G.; Crumley, Farrist G.; Cox, Richard H.; Hernandez, Oscar; Cole, Richard J.; Dorner, Joe W. Georgia Coastal Plain Exp. Stn., Sci. Educ. Adm., Tifton, GA, USA. Journal of Agricultural and Food Chemistry (1979), 27(3), 592-5.
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Culture plates on different media. A Colonies on CZ at 24oC, B on CYA at 20oC C on SAB at 37oC, D on CYA at 24oC
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Mucous containing Charcot-Leyden crystals, stained with H & EA 57 year old woman presented with breathlessness. She had a history of mild asthma for which she occasionally took salbutamol inhaler puffs. The patient underwent a pneumonectomy because of the severity of her disease process, and uncertainty about the diagnosis, prior to serology results being obtained.Serology showed an IgE of 2600, with a strongly positive Aspergillus RAST test and weakly positive Aspergillus precipitins. Material re
