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Dicitrinol, a Citrinin Dimer, Produced by Penicillium janthinellum
Author(s) -
do Rosário Marinho Andrey M.,
RodriguesFo. Edson
Publication year - 2011
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.201000309
Subject(s) - citrinin , chemistry , melia azedarach , dimer , fungus , stereochemistry , penicillium , mycotoxin , food science , organic chemistry , botany , biology
A citrinin dimer, named dicitrinol ( 3 ), was isolated from extracts obtained from a rice cultivation of Penicillium janthinellum , a fungus found in fruits of Melia azedarach. Dicitrinol ( 3 ) was isolated by classical chromatographic procedures, and identified by MS, and 1D‐ and 2D‐NMR data. A biosynthetic scheme is proposed for this new dimerization of citrinin. Dicitrinol ( 3 ) was shown to be slightly weaker than citrinin regarding bacterial inhibition.
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