A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple
Abstract Reliable information about degree of red coloration in fruit flesh is essential for grading and sorting of red-fleshed apples. We propose a spatially resolved interactance spectroscopy approach as a new rapid and non-destructive technique to estimate degree of red coloration in the flesh of...
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Nature Portfolio
2021
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oai:doaj.org-article:34690ea4f5d449dda7f80442b9e524f22021-11-14T12:20:00ZA novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple10.1038/s41598-021-01468-z2045-2322https://doaj.org/article/34690ea4f5d449dda7f80442b9e524f22021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01468-zhttps://doaj.org/toc/2045-2322Abstract Reliable information about degree of red coloration in fruit flesh is essential for grading and sorting of red-fleshed apples. We propose a spatially resolved interactance spectroscopy approach as a new rapid and non-destructive technique to estimate degree of red coloration in the flesh of a red-fleshed apple cultivar ‘Kurenainoyume’. A novel measurement system was developed to obtain spatially resolved interactance spectra (190–1070 nm) for apple fruits at eight different light source-detector separation (SDS) distances on fruit surface. Anthocyanins in apple were extracted using a solvent extraction technique, and their contents were quantified with a spectrophotometer. Partial least squares (PLS) regression analyses were performed to develop estimation models for anthocyanin content from spatially resolved interactance spectra. Results showed that the PLS models based on interactance spectra obtained at different SDS distances achieved different predictive accuracy. Further, the system demonstrated the possibility to detect the degree of red coloration in the flesh at specific depths by identifying an optimal SDS distance. This might contribute to provide a detailed profile of the red coloration (anthocyanins) that is unevenly distributed among different depths of the flesh. This new approach may be potentially applied to grading and sorting systems for red-fleshed apples in fruit industry.Xujun YeTamaki DoiOsamu ArakawaShuhuai ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021) |
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Medicine R Science Q Xujun Ye Tamaki Doi Osamu Arakawa Shuhuai Zhang A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
description |
Abstract Reliable information about degree of red coloration in fruit flesh is essential for grading and sorting of red-fleshed apples. We propose a spatially resolved interactance spectroscopy approach as a new rapid and non-destructive technique to estimate degree of red coloration in the flesh of a red-fleshed apple cultivar ‘Kurenainoyume’. A novel measurement system was developed to obtain spatially resolved interactance spectra (190–1070 nm) for apple fruits at eight different light source-detector separation (SDS) distances on fruit surface. Anthocyanins in apple were extracted using a solvent extraction technique, and their contents were quantified with a spectrophotometer. Partial least squares (PLS) regression analyses were performed to develop estimation models for anthocyanin content from spatially resolved interactance spectra. Results showed that the PLS models based on interactance spectra obtained at different SDS distances achieved different predictive accuracy. Further, the system demonstrated the possibility to detect the degree of red coloration in the flesh at specific depths by identifying an optimal SDS distance. This might contribute to provide a detailed profile of the red coloration (anthocyanins) that is unevenly distributed among different depths of the flesh. This new approach may be potentially applied to grading and sorting systems for red-fleshed apples in fruit industry. |
format |
article |
author |
Xujun Ye Tamaki Doi Osamu Arakawa Shuhuai Zhang |
author_facet |
Xujun Ye Tamaki Doi Osamu Arakawa Shuhuai Zhang |
author_sort |
Xujun Ye |
title |
A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
title_short |
A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
title_full |
A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
title_fullStr |
A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
title_full_unstemmed |
A novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
title_sort |
novel spatially resolved interactance spectroscopy system to estimate degree of red coloration in red-fleshed apple |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/34690ea4f5d449dda7f80442b9e524f2 |
work_keys_str_mv |
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