Patricia Carloni, Federico Girolametti, Elisabetta Giorgini, Tiziana Bacchetti, Cristina Truzzi, Silvia Illuminati, Elisabetta Damiani
European countries have recently started experimenting with growing and producing their own teas in small quantities, mainly for the specialty tea sector. To characterize European teas, this study investigated a set of five tea types obtained from different Camellia sinensis varieties/cultivars, representing various oxidation grades (green, white, yellow, oolong, black), all grown and processed in the only tea garden in Europe (in Germany) that focuses on all five types. Hot and cold brews were studied by measuring the total phenolic (TPC) and flavonoid contents (TFC), the antioxidant capacity and UV-Vis spectra, also with the objective of discriminating between the different tea types and the different plant varieties...
October 31, 2023: Antioxidants (Basel, Switzerland)