2019
DOI: 10.1177/0967033519835051
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Potential of near infrared spectroscopy as a rapid method to detect aflatoxins in brown rice

Abstract: Brown rice is a main popular health food with high nutritional value and health benefits. As a result of poor post-harvest drying and inappropriate storage conditions, rice grains are often damaged through fungal spoilage as well as mycotoxin production. The objective of this research was to evaluate the possibility of using the near infrared spectroscopy, with a wavenumber range between 12500 and 4000 cm À1 (800-2500 nm), as a rapid method for detection of aflatoxins in brown rice. Firstly, storage trials wer… Show more

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Cited by 11 publications
(3 citation statements)
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“…The SWIR spectra showed higher-intensity peaks at 1320, 1870, and 2254 nm and higher-intensity valleys at 1208, 1474, and 1940 nm. The features at 1474 and 1870 nm are associated with O-H vibrations of starch [ 32 ], and those at 1895 nm correspond to the C-O-H and C-O-C angular deformation of carbohydrate in the fungal cell wall [ 33 ]. The 1208 nm feature may be attributed to the C-H stretching of CH 2 , related to fatty acid and oil [ 21 , 34 ].…”
Section: Resultsmentioning
confidence: 99%
“…The SWIR spectra showed higher-intensity peaks at 1320, 1870, and 2254 nm and higher-intensity valleys at 1208, 1474, and 1940 nm. The features at 1474 and 1870 nm are associated with O-H vibrations of starch [ 32 ], and those at 1895 nm correspond to the C-O-H and C-O-C angular deformation of carbohydrate in the fungal cell wall [ 33 ]. The 1208 nm feature may be attributed to the C-H stretching of CH 2 , related to fatty acid and oil [ 21 , 34 ].…”
Section: Resultsmentioning
confidence: 99%
“…These include laser-induced breakdown spectroscopy, near-infrared spectroscopy, nuclear magnetic resonance spectroscopy and Raman spectroscopy [32]. These methods were successfully employed for both rice authentication [39][40][41][42] and detection of chemical contaminants and adulterants [43][44][45][46].…”
Section: Brief Overview Of Non-dna Based Methods For Rice Certificationmentioning
confidence: 99%
“…Detection, identification, and quantification of toxins from harmful additives or inappropriate post-harvest storage or treatment can also be readily achieved by NIR methods. A recent article provides a method for detecting aflatoxins, a product of genus Aspergillus mold infestation when grains are stored under warm and humid conditions, in brown rice [93]. Detection of allergens is necessary to protect the health of consumers, and another recent paper demonstrates a matched subspace detector algorithm, coupled with NIR spectral data, to identify global adulteration of peanut in wheat flour at 0.2% [94].…”
Section: Grains and Floursmentioning
confidence: 99%