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- Title
VIS/NIR spectral signature for the identification of peanut contamination of powder foods.
- Authors
Ghosh, Satyabrata; Cuadrado Domínguez, Teresa R.; Diezma, Belén; Lleó, Lourdes; Barreiro, Pilar; García Lacarra, Teresa; Roger, Jean-Michel
- Abstract
Visible-near infrared reflectance spectra are proposed for the characterization of IRMM 481 peanuts variety in comparison to powder food materials: wheat flour, milk and cocoa. Multidimensional analysis of reflectance spectra of powder samples shows a specific NIR band centred at 1200 nm that identifies peanut compared to the rest of food ingredients, regardless compaction level and temperature. Spectral range of 400-1000 nm is not robust for identification of blanched peanut. The visible range has shown to be reliable for the identification of pre-treatment and processing of unknown commercial peanut samples. A spectral index is proposed based on the combination of three wavelengths around 1200 nm that is 100% robust against pre-treatment (raw or blanched) and roasting (various temperatures and treatment duration).
- Subjects
NEAR infrared reflectance spectroscopy; PEANUT research; FLOUR quality; DRIED milk; DRIED foods
- Publication
Agricultural Engineering International: CIGR Journal, 2015, Vol 17, Issue 2, p310
- ISSN
1682-1130
- Publication type
Article