Results 11 to 20 of about 11,036 (262)

Deep Eutectic Solvent-Based Dispersive Liquid–Liquid Microextraction Coupled with LC-MS/MS for the Analysis of Two Ochratoxins in Capsicum [PDF]

open access: yesMolecules, 2023
Ochratoxins, a common class of mycotoxin in capsicum, and techniques and methods for the determination of mycotoxins in spices have been increasingly developed in recent years.
Hongbo Yang   +5 more
doaj   +2 more sources

Notoamide R: A Prominent Diketopiperazine Fermentation Metabolite amongst Others of Aspergillus ochraceus in the Absence of Ochratoxins [PDF]

open access: yesMolecules, 2023
Ochratoxin A is historically the most notable secondary metabolite of Aspergillus ochraceus on account of its toxicity to animals and fish. Currently, over 150 compounds of diverse structure and biosynthesis is a challenge to predict the array for any ...
Peter Mantle   +2 more
doaj   +2 more sources

Chemical, Physical and Biological Approaches to Prevent Ochratoxin Induced Toxicoses in Humans and Animals [PDF]

open access: yesToxins, 2010
Ochratoxins are polyketide derived fungal secondary metabolites with nephrotoxic, immunosuppressive, teratogenic, and carcinogenic properties. Ochratoxin-producing fungi may contaminate agricultural products in the field (preharvest spoilage), during ...
János Varga   +4 more
doaj   +5 more sources

Mechanism of Mycotoxin Contamination of Medicinal Herbs [PDF]

open access: yesToxins
Mycotoxin contamination in medicinal plants can lead to toxicity, reduced therapeutic efficacy, and economic losses. This contamination has emerged as a significant issue, drawing attention from researchers and research centers worldwide.
Abdelrahman Elamin, Shohei Sakuda
doaj   +2 more sources

Phylogeny of Aspergillus section Circumdati and inhibition of ochratoxins potential by green synthesised ZnO nanoparticles [PDF]

open access: yesMycology
Contamination of agricultural and industrial products by Aspergillus section Circumdati becomes a true problem, especially, because a lot of species in this section can yield ochratoxins and other toxins. In this study, morphological criteria and partial
Mohamed A. Hussein   +4 more
doaj   +2 more sources

Mycotoxins and coccidiosis in poultry – co-occurrence, interaction, and effects [PDF]

open access: yesFrontiers in Veterinary Science
Avian coccidiosis, a common disease caused by Eimeria species, results in significant losses in global poultry production. Mycotoxins are low-molecular-weight natural products (i.e., small molecules) produced as secondary metabolites by filamentous fungi
Luis-Miguel Gómez-Osorio   +5 more
doaj   +2 more sources

Ochratoxins in Wines: A Review of Their Occurrence in the Last Decade, Toxicity, and Exposure Risk in Humans

open access: yesToxins, 2021
Ochratoxins (OTs) are mycotoxins frequently found in wines, and their contamination can occur during any stage of the winemaking process. Ochratoxin A (OTA) has been the most widely reported and the only one whose concentrations are legislated in this ...
Bryan Ortiz-Villeda   +3 more
doaj   +1 more source

Biosynthesis of Ochratoxin A [PDF]

open access: yesApplied Microbiology, 1969
Biosynthesis of ochratoxin A by Aspergillus ochraceus Wilh. was investigated by radiolabeling experiments in which phenylalanine- 1 - 14 C and sodium acetate- 2 - 14 C were supplied to the fungus ...
J. W. Searcy, N. D. Davis, U. L. Diener
openaire   +3 more sources

Effect of Different Extracts of Ganoderma lucidum on Ochratoxin A Formation by Aspergillus ochraceus [PDF]

open access: yesResearch Journal of Pharmacognosy, 2022
Background and objectives: Mycotoxins are secondary metabolites produced by fungi contaminated agricultural products and have toxic effect in human and animals.
Marzieh Vahdani   +2 more
doaj   +1 more source

Conversion of ochratoxin C into ochratoxin A in vivo [PDF]

open access: yesApplied and Environmental Microbiology, 1984
The conversion of ochratoxin C to ochratoxin A was studied in rats after oral and intravenous administration. The concentration of ochratoxin A in the blood as a function of time was the same after oral administration of equivalent amounts of either ochratoxin C or ochratoxin A.
R Plestina   +4 more
openaire   +3 more sources

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