Nutrición
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Perfil oxidativo de mujer menopáusica: rol de los estrógenos en la prevención y tratamiento de las enfermedades.
(2009)El balance entre la producción de radicales libres de oxigeno y el nivel de enzimas antioxidantes es permanentemente regulado por la célula. Las enzimas antioxidantes son esenciales para las células aeróbicas, puesto ... -
Chemical composition of Schinus molle essential oil and its cytotoxic activity on tumour cell lines
(2008-11)The leaf essential oil hydrodistilled from Schinus molle grown in Costa Rica was characterised in terms of its chemical composition, antioxidant activity, ability to induce cytotoxicity and the mechanism of cell death ... -
Antioxidant and Anti-inflammatory in Vitro Activities of Phenolic Compounds from Tropical Highland Blackberry (Rubus adenotrichos)
(2013-05-22)This study evaluates the antioxidant and anti-inflammatory activities in a polyphenol extract from blackberries. The antioxidant activity measured via oxygen radical absorbance capacity (ORAC) was higher for the blackberry ... -
HRT decreases DNA and lipid oxidation in postmenopausal women.
(2013)Background: Postmenopausal women have increased oxidative stress and decreased antioxidant status. Estrogen has great antioxidant capacity both in vitro and in vivo. Few authors have studied the effect that hormone replacement ... -
Efecto de factores antinutricionales presentes en el pejibaye (Bactris gasipes) en el metabolismo de ratas jóvenes.
(1998)Se estudiola presencia de lectinas e inhibidores de tripsina en pejibaye (Bactris gasipaes), conside res de tripsina en pejibaye (Bactris gasipaes), conside res de tripsina en pejibaye (Bactris gasipaes), conside a dieta. ... -
Estudio de cuatro plantas con uso medicinal tradicional cultivadas en las regiones Huetar Norte y Atlántica de Costa Rica
(2014-10-01)Esta investigación buscó avanzar en el proceso de domesticación de Phyllantus niruri (chanca piedra), Senna reticulata (saragundí), Pettiveria alliaceae (ajillo) y Phyllantus acuminatus (chilillo), así como en el estudio ... -
Carotenoids are more bioavailable from papaya than from tomato and carrot in humans: a randomised cross-over study
(2014-02-14)Carrot, tomato and papaya represent important dietary sources of b-carotene and lycopene. The main objective of the present study was to compare the bioavailability of carotenoids from these food sources in healthy human ... -
Effect of the microfiltration process on antioxidant activity and lipid peroxidation protection capacity of blackberry juice
(2011-08-05)Phytochemicals are highly concentrated in berries, especially polyphenols as anthocyanins and ellagitannins. These compounds have been associated with antioxidant capacity, lipid peroxidation protection, anti-inflammatory ... -
Flavonoids and Ellagitannins Characterization, Antioxidant and Cytotoxic Activities of Phyllantus acuminatus Vahl.
(2017)The phenolic composition of leaves from Phyllanthus acuminatus L., a plant commonly used in Costa Rica as traditional medicine, was studied using UPLC-ESI-MS on an enriched phenolic extract. A total of 20 phenolic compounds ... -
Polyphenolic Characterization and Antioxidant Activity of Malus domestica and Prunus domestica Cultivars from Costa Rica
(2018-01-30)The phenolic composition of skin and flesh from Malus domestica apples (Anna cultivar) and Prunus domestica plums (satsuma cultivar) commercial cultivars in Costa Rica, was studied using Ultra Performance Liquid Chromatography ... -
Carotenoid composition and antioxidant activity of the raw and boiled fruit mesocarp of six populations of Bactris gasipaes
(2010)Total carotenoid content and composition of caro tenoids of six varieties of Bactris gasipaes were determined by spec trophotometry and HPLC, with photodiode array detector. Signifi cant differences in total carotenoid ... -
HRMS characterization, antioxidant and cytotoxic activities of polyphenols in Malus domestica cultivars from Costa Rica
(2021)There is increasing interest in research into fruits as sources of secondary metabolites because of their potential bioactivities. In this study, the phenolic profiles of Malus domestica Anna and Jonagold cultivars from ... -
Polyphenolic QTOF-ESI MS characterization and the antioxidant and cytotoxic activities of Prunus domestica.
(2021)There is an increased interest in plum research because of their metabolites’ potential bioactivities. In this study, the phenolic profiles of Prunus domestica commercial cultivars (Methley, Pisardii and Satsuma) in Costa ... -
Polyphenolic Characterization, Antioxidant and Cytotoxic Activities of Mangifera indica cultivars from Costa Rica
(2019)Abstract: The phenolic profile of skin and flesh from Manifera indica main commercial cultivars (Keitt and Tommy Atkins) in Costa Rica was studied using ultra performance liquid chromatography coupled with high resolution ... -
Membrane processing effect of blackberry (Rubus adenotrichos) on cytotoxic and pro-apoptotic activities against cancer cell lines
(2021-04-23)Berries are considered an important source of bioactive compounds. In the tropics, Rubus adenotrichos is commonly cultivated, and it is consumed mostly in processed forms. This study assessed the effect of industrial ... -
Estudio preliminar del potencial bioactivo de la Annona cherimola (anona) y Prunus domestica (ciruelo) cultivadas en Costa Rica
(2014-06-01)Los efectos beneficiosos de principios activos como alcaloides, triterpenos y más recientemente de los polifenoles en la nutrición y la salud han incrementado a nivel internacional el consumo de productos naturales ... -
Chemical composition and antinutritional factors of Lycianthes synanthera leaves (chomte)
(2006)Abstract The leaves of Lycianthes synanthera (chomte), an edible Guatemalan plant, were analysed for some nutritional and antinutri tional factors. Results of this study indicated that chomte leaves are rich sources of ... -
Curcumin Hybrid Lipid Polymeric Nanoparticles: Antioxidant Activity, Immune Cellular Response, and Cytotoxicity Evaluation.
(2022-09)Poor solubility and short biological half-life present a challenge that needs to be overcome in order to improve the recognized bioactivities of curcumin (CUR), the main phenolic compounds derived from the roots of Curcuma ... -
Fractioning of Proanthocyanidins of Uncaria tomentosa. Composition and Structure-Bioactivity Relationship
(2017-07-28)In a previous study, the detailed low-molecular weight polyphenolic profile of the different plant parts (leaves, stem, bark and wood) of Uncaria tomentosa was reported, the leaves being the plant part with the highest ... -
Proanthocyanidin characterization and bioactivity of extracts from different parts of Uncaria tomentosa L. (Cat’s Claw)
(2017-02)Apart from alkaloids, bioactive properties of Uncaria tomentosa L. have been attributed to its phenolic constituents. Although there are some reports concerning low-molecular-weight polyphenols in U. tomentosa, its polymeric ...