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Organic apples (cv. Elstar) quality evaluation during hot-air drying using Vis/NIR hyperspectral imaging

Shrestha, L.; Moscetti, R.; Crichton, S.O.J.; Hensel, O. and Sturm, B. (2018) Organic apples (cv. Elstar) quality evaluation during hot-air drying using Vis/NIR hyperspectral imaging. Poster at: 21st International Drying Symposium, IDS 2018, Valencia, Spain, 11-14 September 2018. [Completed]

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Summary

Organic dried apples are common snacks fulfilling functional as well as nutritional aspects. However, appearance of dried slices does not always satisfy consumer requirements, thus, improvements are needed. In this study, partial least squares (PLS) regression models were successfully developed to monitor changes in colour and moisture content in apple slices during the drying process over the Vis/NIR spectral range. The regression vector analysis results suggested that features at 580, 750 and 970 nm are better for predicting moisture content, while 580 and 680 nm allow to measure the (a*/b*) colour ratio.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:BÖLN, BOELN, BÖL, BOEL, FKZ 14OE006, SusOrgPlus, SusOrganic, hot-air-drying, apples
Subjects: Food systems > Food security, food quality and human health
Food systems > Processing, packaging and transportation
Research affiliation: European Union > CORE Organic Cofund > SusOrgPlus
European Union > CORE Organic Plus > SusOrganic
Germany > Federal Organic Farming Scheme - BOELN > Food > Processing
Germany > University of Kassel > Department of Agricultural Engineering and Agricultural Engineering in the Tropics and Subtropics
Related Links:https://www.bundesprogramm.de, https://orgprints.org/cgi/search/advanced?addtitle%2Ftitle=&keywords=14OE006&projects=BOEL&_order=bypublication&_action_search=Suchen, https://projects.au.dk/coreorganiccofund/core-organic-cofund-projects/susorgplus/, https://www.susorgplus.eu/
Deposited By: Von Gersdorff, Gardis J.E.
ID Code:36586
Deposited On:12 Nov 2019 10:14
Last Modified:12 Nov 2019 10:14
Document Language:English
Status:Unpublished
Refereed:Peer-reviewed and accepted

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