Research Topics
| José Alberto PereiraSummaryCountry: Portugal Publications
| Collaborators
|
Detail Information
Publications
Table olives from Portugal: phenolic compounds, antioxidant potential, and antimicrobial activityJosé Alberto Pereira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apartado 1 172, 5301 855, Bragança, Portugal
J Agric Food Chem 54:8425-31. 2006..PDO and DO table olives revealed a wide range of antimicrobial activity. C. albicans was resistant to all the analyzed extracts...
Walnut (Juglans regia L.) leaves: phenolic compounds, antibacterial activity and antioxidant potential of different cultivarsJosé Alberto Pereira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apt 1172, 5301 855 Braganca, Portugal
Food Chem Toxicol 45:2287-95. 2007..In a general way, all of the studied walnut leaves cultivars presented high antioxidant activity (EC(50) values lower than 1mg/mL), being Cv. Lara the most effective one...
Bioactive properties and chemical composition of six walnut (Juglans regia L.) cultivarsJosé Alberto Pereira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apartado 1 172, 5301 855 Braganca, Portugal
Food Chem Toxicol 46:2103-11. 2008....
Chemical composition, and antioxidant and antimicrobial activities of three hazelnut (Corylus avellana L.) cultivarsIvo Oliveira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Bragança, Portugal
Food Chem Toxicol 46:1801-7. 2008..Hazelnut extracts revealed a high antimicrobial activity against Gram positive bacteria (MIC 0.1 mg/mL) showing a good bioactivity of these fruits...
Total phenols, antioxidant potential and antimicrobial activity of walnut (Juglans regia L.) green husksIvo Oliveira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apartado 1 172, 5301 855 Braganca, Portugal
Food Chem Toxicol 46:2326-31. 2008..1 mg/mL for all the extracts. The results obtained indicate that walnut green husks may become important in the obtainment of a noticeable source of compounds with health protective potential and antimicrobial activity...
Antioxidant properties, total phenols and pollen analysis of propolis samples from PortugalLeandro Moreira
CIMO, Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Santa Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
Food Chem Toxicol 46:3482-5. 2008..The results obtained indicate that Portuguese propolis is an important source of total phenols showing antioxidant properties that could be beneficial for human health...
Phenolic compounds and antimicrobial activity of olive (Olea europaea L. Cv. Cobrançosa) leavesAna Paula Pereira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apt 1172, 5301 855 Braganca, Portugal
Molecules 12:1153-62. 2007..At low concentrations olive leaves extracts showed an unusual combined antibacterial and antifungal action, which suggest their great potential as nutraceuticals, particularly as a source of phenolic compounds...
Nutritional, fatty acid and triacylglycerol profiles of Castanea sativa Mill. cultivars: a compositional and chemometric approachJoão C M Barreira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus de Sta Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
J Agric Food Chem 57:2836-42. 2009....
Phenolics and antimicrobial activity of traditional stoned table olives 'alcaparra'Anabela Sousa
, , , Apartado 1172, , Portugal
Bioorg Med Chem 14:8533-8. 2006..05mg/mL) 'alcaparra' extract revealed significant inhibition of both Gram positive and Gram negative bacteria growth, with exception of P. aeruginosa. Nevertheless, no antifungal activity was observed at the tested concentrations...
Scavenging capacity of strawberry tree (Arbutus unedo L.) leaves on free radicalsIvo Oliveira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apartado 1 172, 5301 855 Braganca, Portugal
Food Chem Toxicol 47:1507-11. 2009..The results indicated that A. unedo leaves are a potential source of natural antioxidants...
Chemical characterization of chestnut cultivars from three consecutive years: chemometrics and contribution for authenticationJoão C M Barreira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus de Sta Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
Food Chem Toxicol 50:2311-7. 2012..Furthermore, similar results were also obtained using only tocopherols data, showing their usefulness as a discriminant factor for chestnut cultivars...
Antioxidant activity and bioactive compounds of ten Portuguese regional and commercial almond cultivarsJoão C M Barreira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus de Santa Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
Food Chem Toxicol 46:2230-5. 2008..revealed better antioxidant properties, presenting lower EC50 values in all assays, and the highest antioxidants contents. The protective effect of this cultivar on erythrocyte biomembrane hemolysis was maintained during 4h...
Cultivar effect on the phenolic composition and antioxidant potential of stoned table olivesRicardo Malheiro
CIMO School of Agriculture, Polytechnic Institute of Braganca, Bragança, Portugal
Food Chem Toxicol 49:450-7. 2011....
Sugars profiles of different chestnut (Castanea sativa Mill.) and almond (Prunus dulcis) cultivars by HPLC-RIJoão C M Barreira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus de Santa Apolonia, Bragança, Portugal
Plant Foods Hum Nutr 65:38-43. 2010..05 +/- 1.48), Judia (23.30 +/- 0.83) and Longal (9.56 +/- 0.91), while glucose was slightly prevalent in Boa Ventura (6.63 +/- 0.49). The observed variance could serve for inter-cultivar discrimination...
Influence of spike lavender (Lavandula latifolia Med.) essential oil in the quality, stability and composition of soybean oil during microwave heatingNuno Rodrigues
Mountain Research Centre CIMO, School of Agriculture, Polytechnic Institute of Braganca, Campus de Santa Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
Food Chem Toxicol 50:2894-901. 2012....
Supervised chemical pattern recognition in almond ( Prunus dulcis ) Portuguese PDO cultivars: PCA- and LDA-based triennial studyJoão C M Barreira
CIMO ESAB, Instituto Politecnico de Braganca, Campus de Santa Apolonia, Apartado 1172, 5301 855 Braganca, Portugal
J Agric Food Chem 60:9697-704. 2012..The best results were achieved with TAG analysis coupled with LDA, which proved its effectiveness to discriminate almond cultivars...
Microbiological characterization of table olives commercialized in Portugal in respect to safety aspectsAna Paula Pereira
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Santa Apolonia, Apartado 1 172, 5301 855 Braganca, Portugal
Food Chem Toxicol 46:2895-902. 2008..During the work seven yeasts were isolated from olive pulp and brine...
Effect of microwave heating with different exposure times on physical and chemical parameters of olive oilRicardo Malheiro
CIMO Escola Superior Agraria, Instituto Politecnico de Braganca, Campus Sta Apolónia, Apartado 1 172, 5301 855 Braganca, Portugal
Food Chem Toxicol 47:92-7. 2009..After 15 min of heating the electrochemical signal, due to the alpha-tocopherol, disappear completely in the voltamogram...
Tolerance and bioaccumulation of copper by the entomopathogen Beauveria bassiana (Bals.-Criv.) Vuill. exposed to various copper-based fungicidesFátima Martins
CIMO School of Agriculture, Polytechnic Institute of Braganca, Campus de Santa Apolonia, Apartado 1172, 5301 854, Bragança, Portugal
Bull Environ Contam Toxicol 89:53-60. 2012..These two copper forms were the easiest to solubilize, to precipitate and the most accumulated by B. bassiana, suggesting the involvement of all these processes on fungus copper-tolerance...
Optimization of DNA Extraction for RAPD and ISSR Analysis of Arbutus unedo L. LeavesOlga Sá
Mountain Research Centre, School of Agriculture, Polytechnic Institute of Braganca, Campus St Apolónia, Apartado 1172, 5301 855, Bragança, Portugal E Mails O S J A P
Int J Mol Sci 12:4156-64. 2011..The quality of the DNA isolated was confirmed by random amplification polymorphism DNA and by inter-simple sequence repeat amplification, proving that the DNA can be amplified via PCR...
