Listar por palabras clave "Espectrometría de masas"
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Estudio preliminar de Contaminantes Orgánicos Persistentes (COP) en aire en Costa Rica
(Instituto Tecnológico de Costa Rica, 2023-06)Los contaminantes orgánicos persistentes (COPs) son sustancias tóxicas de difícil degradación con un alto potencial de bioacumulación y movilidad ambiental. Además, poseen efectos tóxicos a muy bajas concentraciones ... -
Not-from-concentrate pilot plant ‘Wonderful’ cultivar pomegranate juice changes: Volatiles
(Elsevier, 2017)Pilot plant ultrafiltration was used to mimic the dominant U.S. commercial pomegranate juice extraction method (hydraulic pressing whole fruit), to deliver a not-from-concentrate (NFC) juice that was high-temperature ... -
Polyphenolic composition and antioxidant activity of aqueous and ethanolic extracts from Uncaria tomentosa bark and leaves
(Instituto Tecnológico de Costa Rica, 2018)Uncaria tomentosa constitutes an important source of secondary metabolites with diverse biological activities mainly attributed until recently to alkaloids and triterpenes. We have previously reported for the first-time ...