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Emirates Journal of Food and Agriculture(1)
Natural Product Research(1)
Revista Facultad Nacional de Agronomia Medellin(1)
Antioxidant activity and gc-ms profile of conyza bonariensis l. Leaves extract and fractions
ArticleAbstract: The 2,2-diphenyl-1-picrylhydrazyl (DPPH), ferric reducing power (FRAP), and semivolatile compounds oPalabras claves:bioactivity, Dpph, flavonoid, fractionation, FRAP, PolyphenolAutores:Ana Barragán, Ivan Chóez-Guaranda, Juan Pablo Peñarreta Tivillin, María Quijano-Avilés, Patricia Manzano Santana, Rafael ViteriFuentes:scopusEffect of solvent-solvent partition on antioxidant activity and GC-MS profile of Ilex guayusa Loes. leaves extract and fractions
ArticleAbstract: The use of guayusa (Ilex guayusa Loes.) leaves as functional food has increase recently. This work dPalabras claves:bioactivity, caffeine, Dpph, FRAP, volatileAutores:Ana Barragán, Ivan Chóez-Guaranda, María Quijano-Avilés, Patricia Manzano Santana, Rafael ViteriFuentes:googlescopusPolyphenols extracted from Theobroma cacao waste and its utility as antioxidant
ArticleAbstract: Cocoa production is economically significant in Ecuador but large quantities of waste are generatedPalabras claves:Cocoa shell, Dpph, Folin-ciocalteu, Free fatty acids, Peroxide valueAutores:Ana Barragán, Ivan Chóez-Guaranda, Jéssica Hernández, María Quijano-Avilés, Oswaldo Valle, Patricia Manzano Santana, Rafael ViteriFuentes:scopus