Occurrence of aflatoxins in water and decontamination strategies: A review

Wang, Suyan; Herrera‐Balandrano, Daniela D.; Shi, Xin-Chi; Chen, Xin; Liu, Fengquan; Laborda, Pedro

doi:10.1016/j.watres.2023.119703

Cited by 19 publications

(4 citation statements)

References 124 publications

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“…The incorporation of calcium montmorillonite (CaMt) in cattle food was found to reduce aflatoxin (AF) content without affecting milk production and composition [154]. Reportedly, AFB 1 should adsorb via weak electrostatic interactions, moderate electron donor-acceptor coupling, and strong Ca 2+ bridging linkage between the two C=O bonds of AF and the negative charge of the smectite surface [164,168]. This bridging effect of bivalent cation was already reported for a commercial smectite-type clay material in the presence of Ca 2+ salts at alkaline pHs.…”

Section: H-bridges and Electrostatic Interactionsmentioning

confidence: 99%

“…Their low chemical stability, reduced cation exchange capacity and weak hydrophobic character make them to be regarded as less effective in the capture of aflatoxins via hydrophobic interaction as compared to smectites and vermiculite. Nevertheless, Al-rich clay minerals display higher specific surface areas [181] that may compensate for these shortcomings by promoting electrostatic and other types of interactions with aflatoxins in certain pH ranges [164,168]. Among the different categories of clay minerals (lamellar, fibrous, and sesquioxide structures along with other minerals), fibrous materials such as allophanes and imogolites exhibit higher specific surface area but weaker conventional clay properties such as high crystallinity, swelling capacity, and plasticity, as compared to smectites and vermiculite [6,7,181].…”

Section: Constraints In Clay Materials Stability For Dairy Technologymentioning

confidence: 99%

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Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

Azzouz,

Arus,

Platon

2024

IJMS

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The use of clay materials in dairy technology requires a multidisciplinary approach that allows correlating clay efficiency in the targeted application to its interactions with milk components. For profitability reasons, natural clays and clay minerals can be used as low-cost and harmless food-compatible materials for improving key processes such as fermentation and coagulation. Under chemical stability conditions, clay materials can act as adsorbents, since anionic clay minerals such as hydrotalcite already showed effectiveness in the continuous removal of lactic acid via in situ anion exchange during fermentation and ex situ regeneration by ozone. Raw and modified bentonites and smectites have also been used as adsorbents in aflatoxin retention and as acidic species in milk acidification and coagulation. Aflatoxins and organophilic milk components, particularly non-charged caseins around their isoelectric points, are expected to display high affinity towards high silica regions on the clay surface. Here, clay interactions with milk components are key factors that govern adsorption and surface physicochemical processes. Knowledge about these interactions and changes in clay behavior according to the pH and chemical composition of the liquid media and, more importantly, clay chemical stability is an essential requirement for understanding process improvements in dairy technology, both upstream and downstream of milk production. The present paper provides a comprehensive review with deep analysis and synthesis of the main findings of studies in this area. This may be greatly useful for mastering milk processing efficiency and envisaging new prospects in dairy technology.

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Section: H-bridges and Electrostatic Interactionsmentioning

confidence: 99%

Section: Constraints In Clay Materials Stability For Dairy Technologymentioning

confidence: 99%

Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

Azzouz,

Arus,

Platon

2024

IJMS

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“…Currently, aflatoxin has been detected in various sources of water including surface water, wastewater, and drinking water (including tap water and bottled water). 5 Among humans, A. flavus is a prominent etiological agent of allergic, invasive, and colonization fungal diseases. Its spores possess the ability to colonize the respiratory tract, leading to invasive aspergillosis (IA).…”

Section: ■ Introductionmentioning

confidence: 99%

“…Additionally, AFs are commonly found as toxins in wastewater from the food industry. Currently, aflatoxin has been detected in various sources of water including surface water, wastewater, and drinking water (including tap water and bottled water) . Among humans, A.…”

Section: Introductionmentioning

confidence: 99%

The Development of Aspergillus flavus and Biosynthesis of Aflatoxin B1 are Regulated by the Golgi-Localized Mn²⁺ Transporter Pmr1

Qu,

Chi,

2024

J. Agric. Food Chem.

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Microorganisms rely on diverse ion transport and trace elements to sustain growth, development, and secondary metabolism. Manganese (Mn 2+ ) is essential for various biological processes and plays a crucial role in the metabolism of human cells, plants, and yeast. In Aspergillus flavus, we confirmed that Pmr1 localized in cis-and medial-Golgi compartments was critical in facilitating Mn 2+ transport, fungal growth, development, secondary metabolism, and glycosylation. In comparison to the wild type, the Δpmr1 mutant displayed heightened sensitivity to environmental stress, accompanied by inhibited synthesis of aflatoxin B1, kojic acid, and a substantial reduction in pathogenicity toward peanuts and maize. Interestingly, the addition of exogenous Mn 2+ effectively rectified the developmental and secondary metabolic defects in the Δpmr1 mutant. However, Mn 2+ supplement failed to restore the growth and development of the Δpmr1Δgdt1 double mutant, which indicated that the Gdt1 compensated for the functional deficiency of pmr1. In addition, our results showed that pmr1 knockout leads to an upregulation of O-glycosyl-Nacetylglucose (O-GlcNAc) and O-GlcNAc transferase (OGT), while Mn 2+ supplementation can restore the glycosylation in A. flavus. Collectively, this study indicates that the pmr1 regulates Mn 2+ via Golgi and maintains growth and metabolism functions of A. flavus through regulation of the glycosylation.

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Magnetic Rice Husk Biochar for AFB1 Enrichment in Water, Rice and Maize: A Wash-Free Sensitivity Improvement Strategy for Immunochromatographic Test Strip

Wei,

Xing,

Zheng

et al. 2024

Water Air Soil Pollut

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Occurrence of aflatoxins in water and decontamination strategies: A review

Cited by 19 publications

References 124 publications

Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

The Development of Aspergillus flavus and Biosynthesis of Aflatoxin B1 are Regulated by the Golgi-Localized Mn²⁺ Transporter Pmr1

Magnetic Rice Husk Biochar for AFB1 Enrichment in Water, Rice and Maize: A Wash-Free Sensitivity Improvement Strategy for Immunochromatographic Test Strip

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Occurrence of aflatoxins in water and decontamination strategies: A review

Cited by 19 publications

References 124 publications

Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

Role of Clay Substrate Molecular Interactions in Some Dairy Technology Applications

The Development of Aspergillus flavus and Biosynthesis of Aflatoxin B1 are Regulated by the Golgi-Localized Mn2+ Transporter Pmr1

Magnetic Rice Husk Biochar for AFB1 Enrichment in Water, Rice and Maize: A Wash-Free Sensitivity Improvement Strategy for Immunochromatographic Test Strip

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Product

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About

The Development of Aspergillus flavus and Biosynthesis of Aflatoxin B1 are Regulated by the Golgi-Localized Mn²⁺ Transporter Pmr1