Optical characterization of NIR spectra for chemomectric model of cocoa pod husk fermented for animal feed
نویسندگان
چکیده
Abstract Cocoa pods husk (CPH) fermented can be used as an alternative animal feedstuff. Near-infrared (NIR) spectroscopy has been shown in order to determine the nutritional contents of CPH fermented. This study aims assess characteristics NIR raw spectra and pretreated for chemomectric model. The spectrum pretreatments include multiplicative scatter correction (MSC), Savitzky-Golay smoothing (SG), first derivative (1st D) a combination each pretreatment, namely MSC + SG, 1st D, SG D. results showed that had six absorption peaks associated with nutrient content such moisture (1450 1940 nm), lipids (1200 1731 starch (2380 protein (2125 nm). tries eliminate scattering correct differences baseline trend. is remove high-frequency random noise, peaks. D correction. Combination pretreatment methods reduce noise interference offset, dispersion, overlap improve smoothness. In addition, information relating was clearly highlighted. concludes better at revealing hidden reducing than specific method. this considered generate good chemometric modeling due it able provide regarding clearly, both qualification quantification.
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ژورنال
عنوان ژورنال: IOP conference series
سال: 2023
ISSN: ['1757-899X', '1757-8981']
DOI: https://doi.org/10.1088/1755-1315/1183/1/012003