Lambrecht, Louise; Gisbert Paya, Jaime; Bou-Belda, Eva; Bonet Aracil, María Angeles(Universitat Politècnica de València, 2020-07-21)
[EN] The last few years natural dyes rose in value. Some synthetics dyes are proven to be environmentally harmful and can cause negative effects. Due to the eco awareness the natural dyes were again wildly used. Tea extracts ...