Effect of aflatoxin B1 detoxification on the physicochemical properties and quality of ground nut meal

Microwave irradiation of hazelnuts for the control of aflatoxin producing Aspergillus parasiticus

“…These results indicate that unlike microbial inhibition, 120 s 2.45 GHz treatment is not effective itself for aflatoxin control in hazelnuts. Das and Mishra (2000) reported a 97% aflatoxin reduction in animal feed with combined treatment of hydrogen peroxide and MW radiation (1000 W for 15 min) and the inactivation effect was dependent on the initial level of contamination. Park and et al (2007) applied argon plasma induced by a 2.45 GHz MW at atmospheric pressure and were able to remove AFB1, DON, and NIV completely after 5 s of plasma treatment (Park et al, 2007).…”

“…Aflatoxins are among the most genotoxic and carcinogenic substances known, and therefore the contamination levels are rigorously controlled by the national and international regulations. Various physical (e.g., mechanical sorting, heat treatment, and irradiation) and chemical (e.g., surfactants, benzalkonium chloride, and SF 6 plasma) approaches have been reported for the control of aflatoxigenic fungi, however, these treatments may have their own disadvantages such as cost and lack of efficiency, and undesirable organoleptic and nutritional changes (Basaran, Akgul, & Oksuz, 2008;Basaran, 2009-a,b;Das & Mishra, 2000). There is, therefore, increasing interest in developing economically feasible and environmentally safe non-chemical processes to control aflatoxigenic fungi in hazelnuts while retaining product quality.…”

Ultraviolet irradiation detoxification of aflatoxins

“…Since aflatoxins were found, people have been searching effective methods to prevent or control them. Several strategies for the reduction of aflatoxins have been previously reviewed and include diverse physical, chemical, and biological methods (Das & Mishra, 2000;Haskard, Binnion, & Ahokas, 2000;Netke, Roomi, Tsao, & Niedwiecki, 1997). One of the methods is the UV irradiation, which is considered to be practical and cost effective for the detoxification of contaminated foods on a large scale.…”

Modeling and Optimization of Enzymatic Degradation of Aflatoxin B1 (AFB1) in Red Chili Powder Using Response Surface Methodology

“…Measured amount of enzyme was dissolved in 50 mM sterile phosphate buffer (KH 2 PO 4 and K 2 HPO 4 ) at pH 7 and was used to detoxify the different levels of substrate (AFB 1 ) spiked in 100 g of sterile chili powder. Reaction mixture was gently stirred and incubated up to 30 h. Hydrogen peroxide (20 mM) was used as a cofactor (Das and Mishra 2000). Moisture content of the reaction mixture was maintained at 12±1% (w.b).The reaction was stopped by adding 1 mL of 0.1 N HCl, and concentration of residual AFB 1 was determined at the end of every incubation period.…”

“…Ellis et al (1991) speculated that peroxidase have aflatoxin degrading properties. Das and Mishra (2000) reported in vitro degradation of AFB 1 by horseradish peroxidase in groundnut meal and liquid culture up to 53% and 60%, respectively. Several cytochrome P450 enzymes like P450 3A4 oxidize AFB 1 to less toxic products (Guengerich et al 1998).…”