Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea

The leaves of the coffee plant <i>Coffea</i> are traditionally used in several countries worldwide to prepare tea-like beverages using aqueous infusion in hot water. There are currently no tested methods available to check the regulatory compliance of coffee leaf tea according to the Eur...

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Main Authors: Valerie Segatz, Marc C. Steger, Patrik Blumenthal, Vera Gottstein, Marina Rigling, Steffen Schwarz, Yanyan Zhang, Dirk W. Lachenmeier
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Biology and Life Sciences Forum
Subjects:
Online Access:https://www.mdpi.com/2673-9976/6/1/45
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author Valerie Segatz
Marc C. Steger
Patrik Blumenthal
Vera Gottstein
Marina Rigling
Steffen Schwarz
Yanyan Zhang
Dirk W. Lachenmeier
author_facet Valerie Segatz
Marc C. Steger
Patrik Blumenthal
Vera Gottstein
Marina Rigling
Steffen Schwarz
Yanyan Zhang
Dirk W. Lachenmeier
author_sort Valerie Segatz
collection DOAJ
description The leaves of the coffee plant <i>Coffea</i> are traditionally used in several countries worldwide to prepare tea-like beverages using aqueous infusion in hot water. There are currently no tested methods available to check the regulatory compliance of coffee leaf tea according to the European Union (EU) novel food authorization. This study shows that standard ISO methods for tea analysis could be transferred without modifications to coffee leaf tea analysis. The only difference found was a much lower content of some catechins in coffee leaf tea compared to <i>Camellia sinensis</i> tea, but the methods were clearly applicable for use in controlling the EU’s maximum limits for coffee leaf tea.
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spelling doaj.art-9661390004b942c69a5d0dde20f03c7c2023-11-17T09:57:41ZengMDPI AGBiology and Life Sciences Forum2673-99762021-10-01614510.3390/Foods2021-10937Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf TeaValerie Segatz0Marc C. Steger1Patrik Blumenthal2Vera Gottstein3Marina Rigling4Steffen Schwarz5Yanyan Zhang6Dirk W. Lachenmeier7Chemisches und Veterinäruntersuchungsamt (CVUA) Karlsruhe, Weissenburger Strasse 3, 76187 Karlsruhe, GermanyCoffee Consulate, Hans-Thoma-Strasse 20, 68163 Mannheim, GermanyCoffee Consulate, Hans-Thoma-Strasse 20, 68163 Mannheim, GermanyChemisches und Veterinäruntersuchungsamt (CVUA) Karlsruhe, Weissenburger Strasse 3, 76187 Karlsruhe, GermanyDepartment of Flavor Chemistry, University of Hohenheim, Fruwirthstr. 12, Verfügungsgebäude 221, 70599 Stuttgart, GermanyCoffee Consulate, Hans-Thoma-Strasse 20, 68163 Mannheim, GermanyDepartment of Flavor Chemistry, University of Hohenheim, Fruwirthstr. 12, Verfügungsgebäude 221, 70599 Stuttgart, GermanyChemisches und Veterinäruntersuchungsamt (CVUA) Karlsruhe, Weissenburger Strasse 3, 76187 Karlsruhe, GermanyThe leaves of the coffee plant <i>Coffea</i> are traditionally used in several countries worldwide to prepare tea-like beverages using aqueous infusion in hot water. There are currently no tested methods available to check the regulatory compliance of coffee leaf tea according to the European Union (EU) novel food authorization. This study shows that standard ISO methods for tea analysis could be transferred without modifications to coffee leaf tea analysis. The only difference found was a much lower content of some catechins in coffee leaf tea compared to <i>Camellia sinensis</i> tea, but the methods were clearly applicable for use in controlling the EU’s maximum limits for coffee leaf tea.https://www.mdpi.com/2673-9976/6/1/45coffee by-productscoffee leavesteaanalysisHPLCfood control
spellingShingle Valerie Segatz
Marc C. Steger
Patrik Blumenthal
Vera Gottstein
Marina Rigling
Steffen Schwarz
Yanyan Zhang
Dirk W. Lachenmeier
Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
Biology and Life Sciences Forum
coffee by-products
coffee leaves
tea
analysis
HPLC
food control
title Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
title_full Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
title_fullStr Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
title_full_unstemmed Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
title_short Evaluation of Analytical Methods to Determine Regulatory Compliance of Coffee Leaf Tea
title_sort evaluation of analytical methods to determine regulatory compliance of coffee leaf tea
topic coffee by-products
coffee leaves
tea
analysis
HPLC
food control
url https://www.mdpi.com/2673-9976/6/1/45
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