2016
DOI: 10.1111/ijfs.13080
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Estimation of the nutritional parameters of various types of wheat flours using fluorescence spectroscopy and chemometrics

Abstract: The purpose of this study is to evaluate the potential of fluorescence spectroscopy to predict the nutritional parameters of twenty-six commercially available wheat flours from different vendors. Principal component analysis (PCA) was used to clearly identify the correlations among different types of flours. A partial least square regression (PLSR) model gives a good prediction for moisture, fat and carbohydrates using cross-validation, with a R 2 of 0.86, 0.88 and 0.89 respectively. However, the protein, sucr… Show more

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Cited by 11 publications
(7 citation statements)
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“…The use of all three spectrometric techniques is also useful for predicting water absorption, as all three important water binders (starch, proteins, and pentosanes) can be detected in the spectra. Starch and proteins have been discussed above, pentosans can be detected as arabinoxylans in Raman spectra at 895 cm −1 , and as ferulic acid in fluorescence spectra at an excitation of 310–370 nm and emission of 410–470 nm (Ahmad, Nache, Hinrichs, et al, 2016; Piot et al, 2000).…”
Section: Introductionmentioning
confidence: 98%
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“…The use of all three spectrometric techniques is also useful for predicting water absorption, as all three important water binders (starch, proteins, and pentosanes) can be detected in the spectra. Starch and proteins have been discussed above, pentosans can be detected as arabinoxylans in Raman spectra at 895 cm −1 , and as ferulic acid in fluorescence spectra at an excitation of 310–370 nm and emission of 410–470 nm (Ahmad, Nache, Hinrichs, et al, 2016; Piot et al, 2000).…”
Section: Introductionmentioning
confidence: 98%
“…Also, specific amino acids such as cysteine, proline, tryptophan, and phenylalanine can be found at 1995-1214 cm −1 (Talari et al, 2015). The aromatic amino acids tryptophan, phenylalanine, and tyrosine show fluorescence at 270-310 nm excitation and 310-370 nm emission (Ahmad, Nache, Hinrichs, et al, 2016). Besides proteins, starch is also in high quantities in wheat available and plays a decisive role in the baking quality.…”
Section: Introductionmentioning
confidence: 99%
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“…Multivariate data analysis was done by principal component analysis (PCA) because it can explain the original data which help to characterize the quality of juices (Jolliffe & Cadima, 2016). PCA is a method to identify patterns in data by comparing data sets which is further expressed based on their similarities and discrimination, respectively (Ahmad, Nache, Hinrichs, & Hitzmann, 2016…”
Section: Principal Component Analysismentioning
confidence: 99%
“…Analytical, rheological, and baking parameters of various wheat flours were determined by Ahmad et al 88, 89. Furthermore, they were able to estimate nutritional parameters 92.…”
Section: Fluorescence Spectroscopymentioning
confidence: 99%