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Topic Review
Aflatoxin Contamination and Soils Control
Aflatoxins are potent carcinogenic compounds, mainly produced by fungi species of the genus Aspergillus in the soil. Because of their stability, they are difficult to remove completely, even under extreme conditions. Aflatoxin contamination is one of the main causes of safety in peanuts, maize, wheat and other agricultural products. Aflatoxin contamination originates from the soil. 
  • 268
  • 03 Aug 2023
Topic Review
Aflatoxin Contamination of Agricultural Products and Foods in Pakistan
Aflatoxins (AFs) are the most important, toxic, mutagenic, and carcinogenic fungal toxins that routinely contaminate food and feed.  In Pakistan, agriculture contributes approximately 21.8% to the GDP (gross domestic product), a substantial portion of the country’s overall economy. More than 65–70% of the population in Pakistan depends on agriculture for its livelihood. The warm, humid environmental conditions of Pakistan are very favorable for the invasion of environmental fungi such as Aspergillus, which can produce AFs as secondary metabolites. High humidity and insufficient ventilation in agricultural commodity storage areas are also problems in Pakistan and are key contributors to Aspergillus growth and the production of AFs in foods and feeds. Pakistani crops are, therefore, prone to contamination by AFs, with improper agronomic and storage practices by farmers and processors exacerbating the problem.
  • 519
  • 09 Dec 2022
Topic Review
Aflatoxin in Chinese Commodities
Aflatoxins (AFs) are secondary metabolites that represent serious threats to human and animal health. They are mainly produced by strains of the saprophytic fungus Aspergillus flavus, which are abundantly distributed across agricultural commodities. 
  • 533
  • 09 Oct 2021
Topic Review
Aflatoxins
Aflatoxins family includes a great number of lipophilic molecules produced by aerobic micro fungi belonging to the genus Aspergillus. Aflatoxins are secondary metabolites produced by the microfungi.
  • 1.1K
  • 06 Nov 2020
Topic Review
Aflatoxins in Cereals and Cereal-Based Products
Cereals and cereal-based products are primary sources of nutrition across the world. However, contamination of these foods with aflatoxins (AFs), secondary metabolites produced by several fungal species, has raised serious concerns. AF generation in innate substrates is influenced by several parameters, including the substrate type, fungus species, moisture content, minerals, humidity, temperature, and physical injury to the kernels. Consumption of AF-contaminated cereals and cereal-based products can lead to both acute and chronic health issues related to physical and mental maturity, reproduction, and the nervous system. Therefore, the precise detection methods, detoxification, and management strategies of AFs in cereal and cereal-based products are crucial for food safety as well as consumer health.
  • 992
  • 03 Nov 2022
Topic Review
Aflatoxins in Feed
Feeding farm animals with aflatoxin-contaminated feed can cause various severe toxic effects, leading to increased susceptibility to infectious diseases and increased mortality, weight loss, poor performance and reduced reproductive capability. Following ingestion of contaminated foodstuffs, aflatoxins are metabolized and biotransformed differently in animals. 
  • 550
  • 16 Dec 2022
Topic Review
Aflatoxins Toxicities
Aflatoxins are the mycotoxins of the greatest concern to food safety due to their wide distribution in foods and feeds and their high toxicities. Since their discovery, aflatoxins have been associated with liver cancer, with peanut, maize and their derivatives being the main vehicles. Geographically, tropical and subtropical regions are the most affected by aflatoxins as food and feed contaminants and as chemical hazards that contribute greatly to the high incidence of a number of devastating chronic diseases and aflatoxicosis outbreaks.
  • 602
  • 05 May 2022
Topic Review
AFM Investigation of Protein Crystals Morphology
Atomic force microscopy (AFM) enables the visualization of soft samples over a wide size range, from hundreds of micrometers up to the molecular level. The nonperturbative nature, the ability to scan in a liquid environment, and the lack of need for freezing, fixing, or staining make AFM a well-suited tool for studying fragile samples such as macromolecular crystals. The achievements of AFM underlined start from the study of crystal growth processes studying the surface morphology of protein crystals, passes through the in-depth analysis of the S-layer systems, and arrive at the introduction of the high-speed atomic force microscopy (HS-AFM) that allows the observation of molecular dynamics adsorption.
  • 205
  • 06 Sep 2023
Topic Review
Africa Vaccine Technology Transfer
The rampant spread of the COVID-19 infection poses a grave and formidable challenge to global healthcare, with particular concern to the inhabitants of the African continent. In response to these pressing concerns, different strategies have been employed to combat the emergence of this insidious disease, encompassing crucial measures such as physical distancing, the utilization of face masks, meticulous hand hygiene, and widespread vaccination campaigns.
  • 830
  • 15 Sep 2023
Topic Review
African Antivirulence Plants
Antivirulence is the concept of blocking virulence factors produced by pathogenic organism. In regards to bacteria, the idea is to design agents that block virulence rather than kill bacteria population that generate more selective pressure leading to antibiotic resistance. African plants, through their huge biodiversity, present a considerable reservoir of secondary metabolites with a very broad spectrum of biological activities, a potential source of natural products targeting such non-microbicidal mechanisms. 
  • 680
  • 04 Dec 2020
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