Byssochlamys species are responsible for spoilage and degradation of fruits and silages and can also produce the mycotoxin patulin. We analyzed secondary metabolite production by Byssochlamys nivea. Mycophenolic acid and its precursors, 5-methylorsellinic acid and 5,7-dihydroxy-4-methylphthalide, were identified in all of the B. nivea strains that we examined.
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http://dx.doi.org/10.1128/AEM.71.1.550-553.2005 | DOI Listing |
Int J Food Microbiol
February 2024
Plant Pathology and Plant-Microbe Biology Section, School of Integrative Plant Science, Cornell University, Plant Science Building, 236 Tower Road, Ithaca, NY 14853, USA.
Hard apple cider is considered to be a low-risk product for food spoilage and mycotoxin contamination due to its alcoholic nature and associated food sanitation measures. However, the thermotolerant mycotoxin-producing fungus Paecilomyces niveus may pose a significant threat to hard cider producers. P.
View Article and Find Full Text PDFFoods
February 2023
LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal.
This study tested hyperbaric storage (25-150 MPa, for 30 days) at room-temperature (HS/RT, 18-23 °C) in order to control the development of ascospores in apple juice. In order to mimic commercially pasteurized juice contaminated with ascospores, thermal pasteurization (70 and 80 °C for 30 s) and nonthermal high pressure pasteurization (600 MPa for 3 min at 17 °C, HPP) took place, and the juice was afterwards placed under HS/RT conditions. Control samples were also placed in atmospheric pressure (AP) conditions at RT and were refrigerated (4 °C).
View Article and Find Full Text PDFPlant Dis
January 2022
Section of Plant Pathology and Plant-Microbe Biology, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853.
Paecilomyces rot of apples is a postharvest disease caused by , a problematic spoiling agent of fruit juices and derivatives. Processing fruits infected with Paecilomyces rot can lead to juices contaminated with ascospores. These ascospores are heat resistant and may survive food processing and germinate in finished products.
View Article and Find Full Text PDFEnviron Technol
August 2022
Institute of Environmental, Chemical and Pharmaceutical Sciences, Universidade Federal de São Paulo, São Paulo, Brazil.
Fungi are natural degraders of organic matter which can produce enzymes for many industrial and biotechnological applications. In this context, crude enzymatic extracts of fungal isolates were evaluated regarding their hydrolytic and ligninolytic abilities. The fungal strains were isolated from soil samples from Atlantic Rain Forest Park incremented with sugar cane biomass (filter cake), which allowed the selection of efficient lignocellulolytic enzymes.
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