Listar por autor "d13d197c-1a39-4aa2-b3dc-57dc5304458c"
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An untargeted metabolomic assessment of cocoa beans during fermentation
Mayorga Gross, Ana Lucía; Quirós Guerrero, Luis Manuel; Fourny, G.; Vaillant Barka, Fabrice (2016-11)Fermentation is a critical step in the processing of high quality cocoa; however, the biochemistry behind is still not well understood at a molecular level. In this research, using a non-targeted approach, the main metabolomic ... -
Análisis de un jugo de mora (Rubus adenotrichos) endulzado con estevia (Stevia rebaudina Bertoni), una aproximación metabolómica
González Torrivilla, César; Hernández Gómez, Lorena; Vaillant Barka, Fabrice (2017)La investigación tuvo como propósito analizar, a través de una aproximación de estudio metabolómico, la composición integral de un jugo microfiltrado a base de mora (Rubus adenotrichos), endulzado con hojas deshidratadas ... -
Carotenoid absorption in rats fed with vacuum-fried papaya chips depends on processed food microstructure associated with saturated and unsaturated oils
Soto Retana, Marvin; Servent, Adrien; Poucheret, Patrick; Portet, Karine; Conéjéro, Geneviève; Vaillant Barka, Fabrice; Dhuique Mayer, Claudie (2021-04)Many studies indicate that food matrix microstructure and type of dietary oil or fat play a key role in carotenoid absorption. Therefore, this work was designed to highlight the relationship between processed food ... -
Concentration of Polyphenolic Compounds in Blackberry (Rubus Adenotrichos Schltdl.) Juice by Nanofiltration
Acosta Montoya, Óscar Gerardo; Vaillant Barka, Fabrice; Pérez Carvajal, Ana Mercedes; Dornier, Manuel (2017)Nanofiltration membranes with molecular weight cut‐off around 200 Da were evaluated to concentrate anthocyanins and ellagitannins in a blackberry juice. Temperature was 30°C and cross‐flow velocity 0.3 m/s. Transmembrane ... -
Coupling osmotic dehydration with heat treatment for green papaya impregnated with blackberry juice solution
Jiménez Elizondo, Nadiarid; Bassama, Joseph; Soto Retana, Marvin; Dornier, Manuel; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Bohuon, Philippe (2020)Slices (1.5 mm thick) of green papaya were impregnated through osmotic dehydration with a blackberry juice–sucrose solution to produce an intermediate moisture product. The effect of processing temperature (T) and sucrose-added ... -
Effect of an In Vitro Digestion on the Antioxidant Capacity of a Microfiltrated Blackberry Juice (Rubus adenotrichos)
Azofeifa Cordero, Gabriela; Quesada Mora, Silvia; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Michel, Alain (2018)The health benefits attributed to berries are largely dependent on their bioavailability. This study evaluated the antioxidant activity for different samples of blackberry juice submitted to an in vitro digestion. The HPLC ... -
Effects of mechanical and enzymatic pretreatments on extraction of polyphenols from blackberry fruits
Soto Retana, Marvin; Acosta Montoya, Óscar Gerardo; Vaillant Barka, Fabrice; Pérez Carvajal, Ana Mercedes (2016-10)This study evaluated the effects of mechanical and enzymatic pretreatments on the extraction of anthocyanins and ellagitannins from blackberries. Continuous pressing yielded significantly higher turbidity values and content ... -
Hypoglycaemic, hypolipidaemic and antioxidant effects of blackberry beverage consumption in streptozotocin-induced diabetic rats
Azofeifa Cordero, Gabriela; Quesada Mora, Silvia; Navarro Bolaños, Laura; Hidalgo Muñoz, Olman; Portet, Karine; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Poucheret, Patrick; Michel, Alain (2016)Abnormal glucose metabolism, hyperlipidaemia profiles and high levels of radical oxygen species (ROS) are classic features of diabetes. This study evaluates the effect of the consumption of two different blackberry beverages ... -
Hypolipidaemic, hypoglycaemic and antioxidant effects of a tropical highland blackberry beverage consumption in healthy individuals on a high-fat, high-carbohydrate diet challenge
Quesada Morúa, María Soledad; Hidalgo Muñoz, Olman; Morera Huertas, Jessica; Rojas Céspedes, Gustavo; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Fonseca González, Lidiette (2020)BACKGROUND: Blackberries have a high content of bioactive compounds such as anthocyanins and ellagitannins, which are associated with health benefits against cardiovascular diseases, cancer, diabetes, and other inflammatory ... -
Innovative process combining roasting and tempering to mechanically dehull jicaro seeds (Crescentia alata K.H.B)
Corrales Hernández, Carla Vanessa; Achir, Nawel; Forestier, Nelly; Lebrun, Marc; Maraval, Isabelle; Dornier, Manuel; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Fliedel, Genevieve (2017)An innovative process combining roasting and tempering was proposed to promote puffing and mechanical dehulling of jicaro seeds. Roasting was performed at three temperatures (120 °C, 140 °C, and 160 °C) and for six residence ... -
Key odor and physicochemical characteristics of raw and roasted jicaro seeds (Crescentia alata K.H.B.)
Corrales Hernández, Carla Vanessa; Lebrun, Marc; Vaillant Barka, Fabrice; Madec, Marie Noelle; Lortal, Sylvie; Pérez Carvajal, Ana Mercedes; Fliedel, Genevieve (2017)Jicaro seeds (Crescentia alata) are widely consumed in Central America, primarily as a popular tasty and nutritious beverage called “horchata”. Seeds are roasted to develop a specific aroma through a process that has never ... -
A kinetic study of carotenoid degradation during storage of papaya chips obtained by vacuum frying with saturated and unsaturated oils
Soto Retana, Marvin; Dhuique Mayer, Claudie; Servent, Adrien; Jiménez Elizondo, Nadiarid; Vaillant Barka, Fabrice; Achir, Nawel (2020)The aim of the study was to evaluate the degradation kinetics of carotenoids (CTs) in vacuum-fried papaya (Carica papaya L.) chips (PCs) during storage at four temperatures (15, 25, 35 and 45 °C) for 52 and 94 days for the ... -
Método para la obtención de un extracto rico en taninos del ácido elágico a partir de frutos que contienen estos compuestos, y extracto obtenido usando dicho método
Acosta Montoya, Óscar Gerardo; Vaillant Barka, Fabrice; Donnier, Manuel; Pérez Carvajal, Ana Mercedes (2011-05-12)La presente invención se relaciona con el campo de la biotecnología y con los procesos que emplean tecnologías membranarias, y en particular se refiere a un método para la obtención de un extracto enriquecido en taninos ... -
Monitoring and modelling of physicochemical properties of papaya chips during vacuum frying to control their sensory attributes and nutritional value
Soto Retana, Marvin; Pérez Carvajal, Ana Mercedes; Servent, Adrien; Vaillant Barka, Fabrice; Achir, Nawel (2021-06)Vacuum frying is an alternative technology to obtain fruit snacks with higher sensory and nutritional quality compared to traditional fried snacks. Vacuum frying of a carotenoid-rich fruit (red-fleshed papaya) was performed ... -
Oral administration of Costa Rican guava (Psidium friedrichsthalianum) juice induces changes in urinary excretion of energy-related compounds in Wistar rats determined by 1H NMR
Montoya Arroyo, Alexander; Díaz Oreiro, Cecilia; Vaillant Barka, Fabrice; Tamayo Castillo, Giselle (2020-08)Introduction: Psidium friedrichsthalianum fruits have in vitro antioxidant activity and their intake has been suggested to have potential health benefits; however, there is still no evidence on the potential in vivo effect ... -
Pasteurization of blackberry juice preserves polyphenol-dependent inhibition for lipid peroxidation and intracellular radicals
Azofeifa Cordero, Gabriela; Quesada Mora, Silvia; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Michel, Alain (2015-09)Berries are commonly consumed as juice, and juice-processing conditions could affect their bioactive compounds. This study evaluated the effect of thermal treatments on the antioxidant capacity of blackberry juice polyphenols. ... -
Physicochemical and antioxidant composition of fresh peach palm (Bactris gasipaes Kunth) fruits in Costa Rica
Rojas Garbanzo, Carolina; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice; Pineda Castro, María Lourdes (2016)The variability of the physicochemical composition, carotenoid and polyphenol contents and hydrophilic antioxidant capacity of fresh peach palm (Bactris gasipaes) fruit was studied with a view to its exploitation as a ... -
Physicochemical characteristics and polyphenolic compounds of cultivated blackberries in Costa Rica
Soto Retana, Marvin; Pérez Carvajal, Ana Mercedes; Cerdas Araya, María del Milagro; Vaillant Barka, Fabrice; Acosta Montoya, Óscar Gerardo (2019)BACKGROUND:Blackberry fruits have recently gained attention because of their considerable amounts of polyphenols. OBJECTIVE:The aim of this study is to compare the physicochemical composition and contents of the main ... -
Physicochemical characterization of Jicaro seeds (Crescentia alata H.B.K.): a novel protein-rich and oleaginous seed
Corrales Hernández, Carla Vanessa; Fliedel, Genevieve; Pérez Carvajal, Ana Mercedes; Servent, Adrien; Prades, Alexia; Dornier, Manuel; Lomonte, Bruno; Vaillant Barka, Fabrice (2017-03)Jicaro (Crescentia alata) is a tropical tree native to Mesoamerica well adapted to severe drought conditions. The seeds of the fruits were analyzed for protein, fatty acid, dietary fiber, phytate, polyphenol, tannin, ... -
Procedimiento para la preparación de jugo de noni
Brat, Pierre; Chan, Yanine; Reynes, Max; Pérez Carvajal, Ana Mercedes; Vaillant Barka, Fabrice (2014)Se refiere a un procedimiento de preparación de jugo de noni que comprende etapas de: a) triturado de los frutos de noni cuando están en estado de madurez blanco translúcido para producir un puré de frutos de noni; b) ...