1. University of Alcalá Department of Life Sciences Alcalá de Henares Madrid 28871 Spain
2. Department of Plant Physiology and Biochemistry Institute of Botany São Paulo SP 04301‐012 Brazil
3. Centro de Espectroscopía de RMN (CERMN), Faculty of Pharmacy University of Alcalá Alcalá de Henares Madrid 28805 Spain