Total polyphenols contents in different grapevine varieties in highlands of southern brazilEmilio Brighenti, Katia Casagrande, Paula Zelindro Cardoso, Mateus da Silveira Pasa, Marlise Nara Ciotta and Alberto Fontanella BrighentiBIO Web Conf., 9 (2017) 01024DOI: https://doi.org/10.1051/bioconf/20170901024