Date: 26 November 2013
Secondary metabolites, structure diagram: Trivial name – Versiconal hemiacetal acetate (2)
Copyright: n/a
Notes:
Species: A. parasiticusSystematic name: Anthra[1,2-b]furan-6,11-dione, 3-[2-(acetyloxy)ethyl]-2,3-dihydro-2,4,8,10-tetrahydroxy-Molecular formulae: C20H16O9Molecular weight: 400Chemical abstracts number: 62886-46-8Selected references: Structure and carbon-13 nuclear magnetic resonance assignments of versiconal acetate, versiconol acetate, and versiconol, metabolites from cultures of Aspergillus parasiticus treated with dichlorvos. Steyn, Pieter S.; Vleggaar, Robert; Wessels, Philippus L.; Cole, Richard J.; Scott, De Buys. Natl. Chem. Res. Lab., Counc. Sci. Ind. Res., Pretoria, S. Afr. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999) (1979), (2), 451-9.
Images library
-
Title
Legend
-
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
-
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
){kind=link}