[1] Univ Fed Rio Grande do Sul, Fac Farm, Lab Farmacognosia, Porto Alegre, RS, Brazil
[2] Univ Barcelona, Grp Prod Nat, Fac Farm & Ciencies Alimentacio, Barcelona, Spain
[3] Univ Fed Rio Grande do Sul, Dept Bot, Porto Alegre, RS, Brazil
[4] Univ Tecnol Indoamer Machala & Sabanilla, Fac Ciencias Medio Ambiente, Ctr Invest Biodiversidad & Cambio Climat & Ingn B, Quito, Ecuador