Begmeier, D., Berres, P.H.D., Filippi, D., Bilibio, D., Bettiol, V.R. e Priamo, W.L. 2014. <b>Extraction of total polyphenols from hibiscus (<i>Hibiscus sabdariffa</i> L.) and waxweed / `sete-sangrias´ (<i>Cuphea carthagenensis</i>) and evaluation of their antioxidant potential. Acta Scientiarum. Technology. 36, 3 (fev. 2014), 545–551. DOI:https://doi.org/10.4025/actascitechnol.v36i3.19093.