Table 3.
Rationale | Advantages | Treatment | Conditions (Measures/Reagents) |
Pre-Harvest | Storage | Processing/Mixing | Feeding | References |
---|---|---|---|---|---|---|---|---|
Agricultural Prevention | ||||||||
Interventions that prevent/deplete fungi infection or inhibit AFs production. | Prevention Low cost High durability |
GAPs | tillage—farming planning crop rotation fertilizers biostimulants |
× | [179] | |||
Pesticides | azoles boscalid azoxystrobin cyprodinil fludioxonil |
× | × | [185] [186] |
||||
Transgenic crops | GMO RNA interferences CRISPR |
× | [152,153,154,155] | |||||
Atoxigenic A. spp strains | × | [155,156,157,158] | ||||||
Bioremediation of fields | degradation transformation | × | [170] | |||||
Physical Methods | ||||||||
Interventions that permit to remove infected/contaminated commodities or kill/inactivate fungi and spores | Standardized protocol High efficacy, No harmful residues produced |
Irradiation | gamma radiation UV lights X-rays Electrons |
× | × | × | [188] [189] [183] |
|
Drying/Thermal treatment | microwave conventional heating |
× | × | [181] | ||||
Separation/sorting | manual sieves washing light-interaction-based devices |
× | × | [179] [180] |
||||
Chemical Methods | ||||||||
Segregation, deactivation and degradation of AFs | Low cost | Ammonia | gaseous or liquid ammonia (usually 1.5–2%) alone for long time (until 15 days) or combined with other techniques | × | × | × | [36] | |
Ozonisation | ozone 1.1–90 mg/l for a variable time (5 min–96 h) | × | × | × | [186] [187] |
|||
Alkalinization | potassium or sodium hydroxide ammonium carbonate |
× | × | [189] | ||||
Acidification | lactic acid propionic acid hydrochloric acid acetic acid citric acid phosphoric acid tartaric acid sorbic acid |
× | × | [181] | ||||
Nixtamalization | Cooking heat treatment+ alkaline solution (NaHCO3 and Ca(OH)2) + H2O2 | × | × | [189] [189] |
||||
Active substances | turmeric powder curcumin resveratrol lycopene chitosan |
× | × | × | × | [190] | ||
Feed additives | acids antioxidants polymers sodium bisulfite |
× | × | × | [116] | |||
Adsorbents | clays activated charcoal bentonite montmorillonite, zeolite, hydrated sodium calcium aluminosilicate, kaolin, illite |
× | × | × | × | [189] [190] |
||
Biological Methods | ||||||||
Inoculation of microbial strains in feed substrates. | Biodegradability Biosafety effectiveness regenerability |
Bacteria |
Bacillus spp. Lactobacillus spp. |
× | × | × | [187] [187] |
|
Yeast and Fungi |
Saccharomyces cerevisiae
Rhizopus oligosporus Zygosaccharomyces rouxii |
× | × | × | [189] [188] |
|||
Microorganism exudates/supernatants | Lactobacillus spp. | × | × | × | [190] | |||
Enzymes | laccase manganese peroxidase oxidase |
× | × | × | × | [188] |
× Applied method phase for AFs prevention/detoxification. CRISPR: clustered regularly interspaced short palindromic repeats; GAPs: Good agricultural practices; GMO: genetically modified organism; NaHCO3: sodium hydrogen carbonate; Ca(OH)2: calcium hydroxide; H2O2: hydrogen peroxide.