Datum
2022-02-04Schlagwort
540 Chemie 570 Biowissenschaften, Biologie Methode der partiellen kleinsten QuadrateKarotteMessungHeißlufttrocknungPflanzeninhaltsstoffMetadata
Zur Langanzeige
Aufsatz
Prediction of total carotenoids, color, and moisture content of carrot slices during hot air drying using non-invasive hyperspectral imaging technique
Zusammenfassung
The objective of this paper was to evaluate the performance of Partial Least Square Regression (PLSR) model and to assess the statistical agreement between two different measurement techniques, that is, Vis–NIR hyperspectral imaging (HSI) and standard laboratory methods for quality evaluation of dried carrots throughout the hot-air drying process. Carrots at commercial maturity of 3.5 months after planting were harvested in two seasons (2017 and 2018) and dried in a convective hot air dryer at 50°C, 60°C, and 70°C. Quality measurements were examined at intervals of 30 minutes. PLSR was performed as a regression model to predict quality attributes in carrots, while Passing–Bablok and Deming regressions alongside Blant–Altman analysis were applied as method comparisons. Excellent prediction performance for moisture content was observed with high R²ₜ and R²ᵥ at 0.92 and 0.90 with values of RMSEₜ and RMSEᵥ at 8.15% and 8.16%. Satisfactory prediction accuracies were observed for total carotenoids (R²ᵥ = 0.64 and RMSEᵥ = 32.62) μg/g, L* (R²ᵥ = 0.68 and RMSEᵥ = 32.62), a* (R²ᵥ = 0.69 and RMSEᵥ = 1.18), and b* (R²ᵥ = 0.60 and RMSEᵥ = 1.45). Selected wavelengths for total carotenoids, moisture content, L*, a*, and b* based on the highest score of VIP loadings were 531, 973, 531, 531, and 680 nm, respectively. An adequate agreement of Blant–Altman analysis between the two methods within the upper and lower limits of 95% confidence interval (CI) were obtained for total carotenoids from 95.68 μg/g to 82.34 μg/g, moisture content (25.18% to 22.93%), L* (2.88 to −3.30), a* (4.15 to 3.43), and b* (4.53 to −3.11) with mean differences at 6.67, 1.12, −0.21, 0.36, and 0.71, respectively. Good correlation coefficients (r) were also observed at 0.89, 0.91, 0.78, and 0.83 for moisture content, L*, a*, and b* with a moderate correlation of total carotenoids at 0.69. The results indicate the potential feasibility of using non-invasive measurement of quality attributes using hyperspectral imaging during the drying of carrots.
// Novelty impact statement: Non-invasive measurement using hyperspectral imaging for quality determination in carrots during convective drying demonstrated promising results. / Multivariate analysis of Partial Least Square Regression showed a good modeling performance for quality prediction in dried carrots. / A good statistical agreements between non-invasive quality measurements using hyperspectral imaging and standard laboratory analysis were achieved by comparative analysis using Blant–Altman plot, Deming, and Passing–Bablok regression.
// Novelty impact statement: Non-invasive measurement using hyperspectral imaging for quality determination in carrots during convective drying demonstrated promising results. / Multivariate analysis of Partial Least Square Regression showed a good modeling performance for quality prediction in dried carrots. / A good statistical agreements between non-invasive quality measurements using hyperspectral imaging and standard laboratory analysis were achieved by comparative analysis using Blant–Altman plot, Deming, and Passing–Bablok regression.
Zitierform
In: Journal of Food Processing and Preservation Volume 46 / Issue 9 (2022-02-04) eissn:1745-4549Förderhinweis
Gefördert im Rahmen des Projekts DEALZitieren
@article{doi:10.17170/kobra-202209226880,
author={Md Saleh, Rosalizan Binti and Kulig, Boris and Arefi, Arman and Hensel, Oliver and Sturm, Barbara},
title={Prediction of total carotenoids, color, and moisture content of carrot slices during hot air drying using non-invasive hyperspectral imaging technique},
journal={Journal of Food Processing and Preservation},
year={2022}
}
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2022-09-22T11:10:47Z 2022-09-22T11:10:47Z 2022-02-04 doi:10.17170/kobra-202209226880 http://hdl.handle.net/123456789/14158 Gefördert im Rahmen des Projekts DEAL eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ 540 570 Prediction of total carotenoids, color, and moisture content of carrot slices during hot air drying using non-invasive hyperspectral imaging technique Aufsatz The objective of this paper was to evaluate the performance of Partial Least Square Regression (PLSR) model and to assess the statistical agreement between two different measurement techniques, that is, Vis–NIR hyperspectral imaging (HSI) and standard laboratory methods for quality evaluation of dried carrots throughout the hot-air drying process. Carrots at commercial maturity of 3.5 months after planting were harvested in two seasons (2017 and 2018) and dried in a convective hot air dryer at 50°C, 60°C, and 70°C. Quality measurements were examined at intervals of 30 minutes. PLSR was performed as a regression model to predict quality attributes in carrots, while Passing–Bablok and Deming regressions alongside Blant–Altman analysis were applied as method comparisons. Excellent prediction performance for moisture content was observed with high R²ₜ and R²ᵥ at 0.92 and 0.90 with values of RMSEₜ and RMSEᵥ at 8.15% and 8.16%. Satisfactory prediction accuracies were observed for total carotenoids (R²ᵥ = 0.64 and RMSEᵥ = 32.62) μg/g, L* (R²ᵥ = 0.68 and RMSEᵥ = 32.62), a* (R²ᵥ = 0.69 and RMSEᵥ = 1.18), and b* (R²ᵥ = 0.60 and RMSEᵥ = 1.45). Selected wavelengths for total carotenoids, moisture content, L*, a*, and b* based on the highest score of VIP loadings were 531, 973, 531, 531, and 680 nm, respectively. An adequate agreement of Blant–Altman analysis between the two methods within the upper and lower limits of 95% confidence interval (CI) were obtained for total carotenoids from 95.68 μg/g to 82.34 μg/g, moisture content (25.18% to 22.93%), L* (2.88 to −3.30), a* (4.15 to 3.43), and b* (4.53 to −3.11) with mean differences at 6.67, 1.12, −0.21, 0.36, and 0.71, respectively. Good correlation coefficients (r) were also observed at 0.89, 0.91, 0.78, and 0.83 for moisture content, L*, a*, and b* with a moderate correlation of total carotenoids at 0.69. The results indicate the potential feasibility of using non-invasive measurement of quality attributes using hyperspectral imaging during the drying of carrots. // Novelty impact statement: Non-invasive measurement using hyperspectral imaging for quality determination in carrots during convective drying demonstrated promising results. / Multivariate analysis of Partial Least Square Regression showed a good modeling performance for quality prediction in dried carrots. / A good statistical agreements between non-invasive quality measurements using hyperspectral imaging and standard laboratory analysis were achieved by comparative analysis using Blant–Altman plot, Deming, and Passing–Bablok regression. open access Md Saleh, Rosalizan Binti Kulig, Boris Arefi, Arman Hensel, Oliver Sturm, Barbara doi:10.1111/jfpp.16460 Methode der partiellen kleinsten Quadrate Karotte Messung Heißlufttrocknung Pflanzeninhaltsstoff publishedVersion eissn:1745-4549 Issue 9 Journal of Food Processing and Preservation Volume 46 false e16460
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