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Samanta Thomas Valdes

Profesor Titular

Universidad de Valparaíso

Valparaíso, Chile

Nutrición y metabolismo, fitoquímicos, polifenoles, enfermedades crónicas no trasmisibles, estudios preclinícos

Nutricionist, Universidade Federal de Pelotas. Brasil, 2005
Nutrition, UNIVERSIDADE FEDERAL DE SANTA CATARINA. Brasil, 2010
PhD in Science with focus on Research and Development of Bioactive Products, UNIVERSIDAD DE TALCA. Chile, 2018

Titular Full Time

UNIVERSIDAD DE VALPARAISO

Farmacia

Valparaíso, Chile

2017 - A la fecha
Honorario Part Time

UNIVERSIDAD DE TALCA

Ciencias de la Salud

Talca, Chile

2015 - Sin Información

Nutricionista Full Time

Federación de la Indústria del Estado de Santa Catarina (FIESC)

Florianópolis, Brasil

2005 - 2005
Nutricionista Full Time

Puras del Brasil Ltd

Florianópolis, Brasil

2005 - 2008
Asistente de Investigación Part Time

Universidade Federal de Viçosa

Viçosa, Chile

2010 - 2012
Asistente de Investigación Part Time

Georg-August-Universität Göttingen

Göttingen, Alemania

2012 - 2013


Are Fruit Surface Differences in Two Blueberry Cultivars Major Drivers of Contrasting Postharvest Dynamics? Moggia, C; LARA, I.; Graell, J; Schemeda-Hirschman, Guillermo; Thomas-Valdés S.; Lobos, GA Article HORTICULTURAE (2022)
Association of Polyphenols Consumption with Risk for Gestational Diabetes Mellitus and Preeclampsia: A Systematic Review and Meta-Analysis Jorquera, Gonzalo; Fornes, Romina; Cruz, Gonzalo; Thomas-Valdes, Samanta Article ISI ANTIOXIDANTS (2022)
Impact of polyphenols on stress and anxiety: a systematic review of molecular mechanisms and clinical evidence Meléndez GPP; Valero-Jara V.; Acevedo-Hernández P.; Thomas-Valdés S. Article CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION (2022)
Acute consumption of blueberries and short-term blueberry supplementation improve glucose management and insulin levels in sedentary subjects. Palma X.; Thomas-Valdés S.; Cruz, G. Article NUTRIENTS (2021)
Phytochemicals in breast milk and their benefits for infants. Ríos J.; Valero-Jara, V.; Thomas-Valdés S. Article CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION (2021)
Effect of simulated gastrointestinal digestion on polyphenols and bioactivity of the native Chilean red strawberry (Fragaria chiloensis ssp. chiloensis f. patagonica) Thomas-Valdés, Samanta; THEODULOZ, CRISTINA; Jiménez-Aspee, Felipe; Schmeda-Hirschmann, Guillermo Article ISI SCOPUS FOOD RESEARCH INTERNATIONAL (2019)
Changes in polyphenol composition and bioactivity of the native Chilean white strawberry (Fragaria chiloensis spp. chiloensis f. chiloensis) after in vitro gastrointestinal digestion Thomas-Valdes, S; Theoduloz, C; Jimenez-Aspee, F; Burgos-Edwards, A; Schmeda-Hirschmann, G Article ISI SCOPUS FOOD RESEARCH INTERNATIONAL (2018)
Association between vitamin deficiency and metabolic disorders related to obesity Thomas-Valdés S.; Tostes M.D.G.V.; Anunciação P.C.; da Silva B.P.; Sant'Ana H.M.P. Article ISI SCOPUS CRITICAL REVIEWS IN FOOD SCIENCE AND NUTRITION (2017)
Chemical and functional characterization of seed, pulp and skin powder from chilto (Solanum betaceum), an Argentine native fruit. Phenolic fractions affect key enzymes involved in metabolic syndrome and oxidative stress Orqueda, M.E., Rivas, M., Zampini, I.C., Alberto, M.R., Torres, S., Cuello, S., Sayago, J., Thomas-Valdes, S., Jiménez-Aspee, F., Schmeda-Hirschmann, G., Isla, M.I. Article ISI SCOPUS FOOD CHEMISTRY (2017)
Inhibition of of pro-inflammatory enzymes by medicinal plants from the Argentinean highlands (Puna) Torres Carro, R., Isla, M.I., Thomas-Valdes, S., Jiménez-Aspee, F., Schmeda-Hirschmann, G., Alberto, M.R. Article ISI SCOPUS JOURNAL OF ETHNOPHARMACOLOGY (2017)
Qualitative and quantitative changes in polyphenol composition and bioactivity of Ribes magellanicum and R. punctatum after in vitro gastrointestinal digestion Burgos-Edwards A., Jiménez-Aspee F., Thomas-Valdés S., Schmeda-Hirschmann G., Theoduloz C. Article ISI SCOPUS FOOD CHEMISTRY (2017)
Antioxidant activity and phenolic profiles of the wild currant Ribes magellanicum from Chilean and Argentinean Patagonia Jiménez-Aspee, F., Valdés, S.T., Schulz, A., Ladio, A., Theoduloz, C., Schmeda-Hirschmann, G. Article ISI SCOPUS FOOD SCIENCE NUTRITION (2016)
Flour from Prosopis alba cotyledons: A natural source of nutrient and bioactive phytochemicals Cattaneo F.; Costamagna M.S.; Zampini, I.C.; Sayago, J; Alberto, M.R.; Chamorro V.; Pazos, A.; Thomas-Valdés S.; Schmeda-Hirschmann, G; Isla, M.I. Article ISI SCOPUS FOOD CHEMISTRY (2016)
Fruit characteristics and cuticle triterpenes as related to postharvest quality of highbush blueberries Moggia, Claudia; Graell, Jordi; Lara, Isabel; Schmeda-Hirschmann, Guillermo; Thomas-Vald?s, Samanta; Lobos, Gustavo A. Article ISI SCOPUS SCIENTIA HORTICULTURAE (2016)
The Chilean wild raspberry (Rubus geoides Sm.) increases intracellular GSH content and protects against H2O2 and methylglyoxal-induced damage in AGS cells Jimenez-Aspee, F; Theoduloz, C; Ávila F.; Thomas-Valdes, S; Mardones, C.; von Baer, D.; Schmeda-Hirschmann, G Article ISI SCOPUS FOOD CHEMISTRY (2016)
Evaluation of iron bioavailability in a mixture of cereals, seeds, and grains (“Human Ration”). Enes BN; Alves NEG; Thomas-Valdés S.; Silveira CMM; Costa NMB; Ribeiro, SMR; Pires ST; Martino HSD Article FOOD SCIENCE AND TECHNOLOGY (2014)
Ascorbic acid, carotenoids, total phenolics and antioxidant activity in industrialized juices sold in different packaging Thomas-Valdés S.; Vaz-Tostes MG; Della-Lucia CM; Pinheiro-Sant’Anna HM Article Revista Instituto Adolfo Lutz (2012)
Effect of “Human Ration” intake on body composition, biochemical profile and eating behavior in overweight/obese women Marques-Rocha JL; Anunciação PC; Vaz-Tostes MG; Thomas-Valdés S.; Carraro JCC; Alves NEG; Bressan J Article Nutricion Hospitalaria (2012)
Studies on mechanistic role of natural bioactive compounds in the management of obesity: An overview Alves NEG; Thomas-Valdés S.; Silveira CMM; Martino HSD; Milagro, Fermin; Moreno-Aliaga, MJ; Ribeiro, SMR Article The Open Nutraceuticals Journal (2012)
Association of genotype and preparation methods on the antioxidant activity, and antinutrients in common beans ( Phaseolus vulgaris L.) Thomas-Valdés S.; Coelho, CMM; Michelluti DJ; Tramonte VLCG Article LWT - Food Science and Technology (2011)


Lácteos y Salud Hepática Vega, SC; THOMAS-VALDES, S.; Valenzuela R. BookSection (2020)


Formulación de gomitas ricas en antioxidantes del fruto maqui (Aristotelia chilensis) para el control de glucemia en sujetos con malnutrición por exceso Valero-Jara V.; Hernandez Acevedo P. Proyecto I Concurso de Emprendimiento Científico y Tecnológico para Estudiantes de Pre y Post Grado: LÁNZATE (2022)
Effect of white strawberry polyphenolic extract on gut dysbiosis, and its implication on liver inflammation and steatosis in obese rat model THOMAS-VALDES, S. Proyecto (2019)
How to reduce softening rates of fresh blueberries at final destination=> targeting the time elapsed between harvests according to seasonal environmental conditions FONDECYT (1191818) Proyecto 2019-2022 Coinvestigador(a)
Efecto de un extracto polifenolico de murta (Ugni molinae Turcz) como tratamiento de la enfermedad del hígado graso no alcohólico en ratas adultas de la cepa Sprague Dawley Universidad de Valparaíso (213122011 MECESUP 1402 UVA) Proyecto 2018-2019 Director(a)
Valorización de frutos nativos sudamericanos. Metabolómica de frutos de algarrobos FONDECYT (1120096, P) Proyecto 2012-2016 Personal técnico y/o de apoyo