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The insecticidal sesquiterpenes cadina-4,10(15)-dien-3-one and aromadendr-1(10)-en-9-one were administered to the fungus Cyathus africanus ATCC 35853. Biotransformation of the former produced (4R)-9α-hydroxycadin-10(15)-en-3-one, while the latter gave 2β-hydroxyaromadendr-1(10)-en-9-one, 2α-hydroxyaromadendr-1(10)-en-9-one and 10α-hydroxy-1β,2β-epoxyaromadendran-9-one. The bioconversion of santonin...
Psidium cattleianum (strawberry guava) is one of many underutilised edible fruits that grow wild in Jamaica, and could potentially be commercially exploited to yield health and economic benefits. In this study, the total phenolics, proximate contents, and antioxidant, anti-inflammatory, and antimicrobial activities of P. cattleianum and P. guajava (common guava), a well-known species, were compared...
The potential of Fusarium oxysporum var. cubense UAMH 9013 to perform steroid biotransformations was reinvestigated using single phase and pulse feed conditions. The following natural steroids served as substrates: dehydroepiandrosterone (1), pregnenolone (2), testosterone (3), progesterone (4), cortisone (5), prednisone (6), estrone (7) and sarsasapogenin (8). The results showed the possible presence...
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