Nicola Caporaso
Total lipid prediction in single intact cocoa beans by hyperspectral chemical imaging
Caporaso, Nicola; Whitworth, Martin B.; Fisk, Ian D.
Authors
Abstract
© 2020 This work aimed to explore the possibility of predicting total fat content in whole dried cocoa beans at a single bean level using hyperspectral imaging (HSI). 170 beans randomly selected from 17 batches were individually analysed by HSI and by reference methodology for fat quantification. Both whole (i.e. in-shell) beans and shelled seeds (cotyledons) were analysed. Partial Least Square (PLS) regression models showed good performance for single shelled beans (R2 = 0.84, external prediction error of 2.4%). For both in-shell beans a slightly lower prediction error of 4.0% and R2 = 0.52 was achieved, but fat content estimation is still of interest given its wide range. Beans were manually segregated, demonstrating an increase by up to 6% in the fat content of sub-fractions. HSI was shown to be a valuable technique for rapid, non-contact prediction of fat content in cocoa beans even from scans of unshelled beans, enabling significant practical benefits to the food industry for quality control purposes and for obtaining a more consistent raw material.
Citation
Caporaso, N., Whitworth, M. B., & Fisk, I. D. (2021). Total lipid prediction in single intact cocoa beans by hyperspectral chemical imaging. Food Chemistry, 344, Article 128663. https://doi.org/10.1016/j.foodchem.2020.128663
Journal Article Type | Article |
---|---|
Acceptance Date | Nov 14, 2020 |
Online Publication Date | Nov 19, 2020 |
Publication Date | May 15, 2021 |
Deposit Date | Nov 30, 2020 |
Publicly Available Date | Mar 29, 2024 |
Journal | Food Chemistry |
Print ISSN | 0308-8146 |
Electronic ISSN | 1873-7072 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 344 |
Article Number | 128663 |
DOI | https://doi.org/10.1016/j.foodchem.2020.128663 |
Keywords | Food Science; Analytical Chemistry; General Medicine |
Public URL | https://nottingham-repository.worktribe.com/output/5091787 |
Publisher URL | https://www.sciencedirect.com/science/article/pii/S0308814620325255 |
Files
Total Lipid Prediction in Single Intact Cocoa Beans by Hyperspectral Chemical Imaging
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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