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Chemical Characterization of Trichoderma spp. Extracts with Antifungal Activity against Cocoa Pathogens
ArticleAbstract: Ecuador is one of the major cocoa producers worldwide, but its productivity has lately been affectedPalabras claves:BIOCONTROL, Frosty pod rot, Moniliasis, Moniliophthora, witches’ broomAutores:Christian A. Romero, Daynet Sosa, Daynet Sosa Del Castillo, Dennys Reyes-Araujo, Fernando Espinoza-Lozano, Galarza L., Ivan Chóez-Guaranda, Luis Lenin Galarza Romero, Manzano P.Fuentes:googlescopusChemical analysis and normo-glycemic effect of Opuntia ficus Indica
ArticleAbstract: Products from Opuntia ficus indica have been used in ancestral medicine for treatment of hyperglycemPalabras claves:chromatography, DIABÉTES, Opuntia cactus, Phytotherapeutics, polysaccharidesAutores:Galo M. Durán, Glenda M. Sarmiento, Ivan Chóez-Guaranda, María C. Villacrés, Oswaldo G. Pesantes, Patricia Manzano Santana, Zoraida C. BurbanoFuentes:scopusChemical analysis of passiflora edulis fo. Flavicarpa leaves and its nutraceutical applications
ArticleAbstract: Passiflora edulis fo. Flavicarpa is an important product of the agricultural sector in Ecuador, withPalabras claves:Bioactivities3, Hytopharmaceuticals application4, Leaves aqueous extract2, Passiflora edulis fo1Autores:Ivan Chóez-Guaranda, Maria P. Fondevila, Patricia Manzano SantanaFuentes:scopusAntioxidant 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:scopusAntioxidant activity optimization and GC-MS profile of aqueous extracts of Vernonanthura patens (Kunth) H. Rob. leaves
ArticleAbstract: The temperature and extraction time of aqueous extracts of Vernonanthura patens (Kunth) H. Rob. (AEVPalabras claves:ABTS, catechin, Dpph, Gallic acid, RSM, TeacAutores:Ivan Chóez-Guaranda, Jenny Ruales, Patricia Manzano Santana, Ruiz Barzola OmarFuentes: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:googlescopusOptimal conditions for the extraction of antioxidant compounds from the red alga Acanthophora spicifera
ArticleAbstract: Acanthophora spicifera is a red seaweed that is easily adapted to different environmental conditionsPalabras claves:Acanthophora spicifera, Antioxidant activity, OptimizationAutores:Arianna N. Valdez, Ivan Chóez-Guaranda, Manzano P., Omar Ruìz, Sofie van der HendeFuentes:scopus