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Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy

Alicia G Gonzálvez, Nerea L Martínez, Helmut Telle, Ángel González Ureña

Chemical Physics Letters, Volume: 559

Swansea University Author: Helmut Telle

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DOI (Published version): 10.1016/j.cplett.2012.12.054

Abstract

Transmission Resonance Raman (TRR) spectroscopy combines increased signal-to-noise ratio with enhanced analytical sensibility. TRR was applied to directly monitor, without any sample preparation, the enhancement of β-carotene content in table grapes when they are irradiated by low power UV-LEDs. It...

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Published in: Chemical Physics Letters
ISSN: 0009-2614
Published: 2013
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URI: https://cronfa.swan.ac.uk/Record/cronfa14491
first_indexed 2013-07-23T12:12:19Z
last_indexed 2019-06-13T19:20:37Z
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spelling 2019-06-13T18:01:31.4215012 v2 14491 2013-03-27 Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy 7f645d598f0afb573309bc5f86ea46fa Helmut Telle Helmut Telle true false 2013-03-27 Transmission Resonance Raman (TRR) spectroscopy combines increased signal-to-noise ratio with enhanced analytical sensibility. TRR was applied to directly monitor, without any sample preparation, the enhancement of β-carotene content in table grapes when they are irradiated by low power UV-LEDs. It was shown that, with respect to control samples, the carotenoid content in the grapes increased about five-fold, using UV-LED irradiation doses being two orders of magnitude lower than the maximum limit allowed by United States Food and Drug Administration. These promising results may pave the way for the development of easy, non-invasive techniques to improve food quality. Journal Article Chemical Physics Letters 559 29 0009-2614 20 2 2013 2013-02-20 10.1016/j.cplett.2012.12.054 COLLEGE NANME COLLEGE CODE Swansea University 2019-06-13T18:01:31.4215012 2013-03-27T12:25:41.0275632 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Alicia G Gonzálvez 1 Nerea L Martínez 2 Helmut Telle 3 Ángel González Ureña 4
title Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
spellingShingle Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
Helmut Telle
title_short Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
title_full Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
title_fullStr Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
title_full_unstemmed Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
title_sort Monitoring LED-induced carotenoid increase in grapes by Transmission Resonance Raman spectroscopy
author_id_str_mv 7f645d598f0afb573309bc5f86ea46fa
author_id_fullname_str_mv 7f645d598f0afb573309bc5f86ea46fa_***_Helmut Telle
author Helmut Telle
author2 Alicia G Gonzálvez
Nerea L Martínez
Helmut Telle
Ángel González Ureña
format Journal article
container_title Chemical Physics Letters
container_volume 559
publishDate 2013
institution Swansea University
issn 0009-2614
doi_str_mv 10.1016/j.cplett.2012.12.054
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 0
active_str 0
description Transmission Resonance Raman (TRR) spectroscopy combines increased signal-to-noise ratio with enhanced analytical sensibility. TRR was applied to directly monitor, without any sample preparation, the enhancement of β-carotene content in table grapes when they are irradiated by low power UV-LEDs. It was shown that, with respect to control samples, the carotenoid content in the grapes increased about five-fold, using UV-LED irradiation doses being two orders of magnitude lower than the maximum limit allowed by United States Food and Drug Administration. These promising results may pave the way for the development of easy, non-invasive techniques to improve food quality.
published_date 2013-02-20T06:27:00Z
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score 11.04748

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