Palabras claves: Air drying, caffeine, Conventional oven, Ilex guayusa, Solar drying
Autores: Ana Barragán, Cinthia Camacho, Daysi Martínez, Ivan Chóez-Guaranda, María Quijano-Avilés, Miranda Migdalia Martínez, Patricia Manzano Santana, Rafael Viteri