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Rafael Viteri Espinoza
Rafael Viteri Espinoza
Escuela Superior Politecnica del Litoral
Chromatography
Chemistry
Ilex guayusa
Caffeine
Gas chromatography–mass spectrometry
3
Papers
9
Citations
0
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Effect of solvent-solvent partition on antioxidant activity and GC-MS profile of Ilex guayusa Loes. leaves extract and fractions.
2021
Natural Product Research
Ivan Chóez-Guaranda
Rafael Viteri Espinoza
Ana Délida Barragán-Lucas
María Quijano-Avilés
Patricia Manzano
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Citations (3)
Antioxidant activity and GC-MS profile of Conyza bonariensis L. leaves extract and fractions
2020
Rafael Viteri Espinoza
Juan Pablo Peñarreta Tivillin
María Quijano
Ana Barragán
Ivan Choez
Patricia Manzano
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Citations (1)
Effect of drying methods on physical and chemical properties of Ilex guayusa leaves
2018
Patricia Manzano Santana
María Quijano-Avilés
Ivan Chóez-Guaranda
Ana Barragán Lucas
Rafael Viteri Espinoza
Daysi Martínez
Cinthia Camacho
Migdalia Miranda Martinez
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Citations (5)
1