food contamination – mycolab.ai

Aflatoxin B1 (AFB1) biodegradation by a lignolytic phenoloxidase of Trametes hirsuta

mycolabadmin

Scientists discovered that a mushroom called Trametes hirsuta produces a special enzyme that can break down aflatoxin B1, a dangerous toxin that contaminates foods like peanuts, corn, and nuts. This enzyme is unique because it works without needing additional chemicals as helpers, making it practical for real-world use. The enzyme successfully degraded 77.9% of the toxin under simple conditions, and researchers suggest it could be applied directly to contaminated food surfaces as a safe, natural way to reduce food poisoning risks.

A comprehensive review of mycotoxins, their toxicity, and innovative detoxification methods

mycolabadmin

Mycotoxins are poisons produced by molds that commonly contaminate foods like grains, nuts, and spices, causing serious health problems in people and animals. This comprehensive review examines how these toxins affect our health, how to detect them in food, and various methods to remove or destroy them. Traditional approaches using biological agents and chemicals work well but are only partially effective, while newer innovative methods using nanoparticles and plant extracts show greater promise for more complete protection of our food supply.

Patulin Biodegradation by Rhodosporidiobolus ruineniae and Meyerozyma guilliermondii Isolated From Fruits

mycolabadmin

Patulin is a dangerous toxin produced by molds that grow on apples and peaches, posing serious health risks to consumers. Researchers isolated two yeast species from fruits that can effectively break down patulin into a less toxic compound called (E)-ascladiol. The yeasts work by using enzymes inside their cells to degrade the toxin, and this biological approach could be used to safely remove patulin from contaminated fruits and fruit products.

Increased Dissemination of Aflatoxin- and Zearalenone-Producing Aspergillus spp. and Fusarium spp. during Wet Season via Houseflies on Dairy Farms in Aguascalientes, Mexico

mycolabadmin

This study found that during rainy seasons on Mexican dairy farms, houseflies carry more mold spores that produce harmful toxins called aflatoxins and zearalenone. These toxins contaminate cattle feed and milk, posing health risks to both animals and humans. The research shows that controlling houseflies during wet seasons is crucial to reduce toxic mold contamination of dairy products and animal feed.

Editorial: Aspergillus-Derived Mycotoxins in the Feed and Food Chain

mycolabadmin

Aspergillus fungi produce harmful toxins called mycotoxins that can contaminate our food and animal feed at various stages from farm to table. Climate change is making this problem worse by helping these fungi spread and produce more toxins. Scientists are working on multiple solutions including using harmless fungi strains to compete with the harmful ones, using natural plant compounds to stop toxin production, and developing better ways to detect and remove these toxins from food and feed.

Comparative genome analysis of patulin-producing Penicillium paneum OM1 isolated from pears

mycolabadmin

Scientists sequenced the genome of a pear fungus called Penicillium paneum that produces patulin, a toxic compound found in moldy apples and pears. By analyzing its genetic blueprint, researchers identified 33 different toxin-producing gene clusters, with special focus on the 15 genes responsible for patulin production. The findings reveal which genes P. paneum uses to make patulin and how they compare to other fungal species, potentially helping develop better ways to prevent patulin contamination in fruit and fruit products.

Modelling the Combined Effects of Oxalic Acid, Water Activity, and pH on the Growth and Mycotoxin Production of Aspergillus spp. in a Dried Fig System

mycolabadmin

Dried figs can become contaminated with harmful fungi that produce dangerous toxins during the drying process. Researchers used mathematical modeling to understand how water content, acidity, and oxalic acid treatment affect fungal growth and toxin production in figs. They found that reducing water content is the most effective way to prevent dangerous toxin buildup. These models help the fig industry identify and avoid conditions that promote contamination, ultimately making dried figs safer for consumers.

Design of a melting curve analysis (MCA) based on multiplex real-time PCR for detection of Aspergillus terreus and Aspergillus fumigatus in cereals and oilseeds samples

mycolabadmin

This study developed a fast molecular test using real-time PCR to detect harmful Aspergillus fungi in grains and seeds. Instead of waiting 3-5 days for traditional culture methods, this new test can identify the fungi in just hours by detecting specific DNA patterns. The test was tested on 140 samples of cereals and oilseeds and proved more accurate than traditional methods, making it useful for food safety in markets and processing plants.

Molecular identification and mycotoxins analysis of some fungal isolates from postharvest decayed apple in Qena, Egypt

mycolabadmin

Apples stored after harvest can be infected by blue mold fungi that produce toxic substances called mycotoxins. Researchers in Egypt identified five fungal strains from rotted apples and measured the amounts of two dangerous toxins they produce. The findings show that these fungi can cause significant food safety risks and economic losses, highlighting the need for better storage and handling practices.

Effect of Temperature, Relative Humidity, and Incubation Time on the Mycotoxin Production by Fusarium spp. Responsible for Dry Rot in Potato Tubers

mycolabadmin

This research examines how temperature and humidity during potato storage affect the growth of disease-causing fungi and their toxic byproducts. The study found that warmer, more humid storage conditions dramatically increase both fungal growth and dangerous toxin production in potatoes. Certain potato varieties became more susceptible to disease as they were stored longer. The toxin levels detected exceeded European safety limits, suggesting contaminated potatoes should be removed to protect consumer health.

Research Topic: food contamination