Search Results - "Valentão, P"

Influence of solvent on the antioxidant and antimicrobial properties of walnut (Juglans regia L.) green husk extracts by Fernández-Agulló, A., Pereira, E., Freire, M.S., Valentão, P., Andrade, P.B., González-Álvarez, J., Pereira, J.A.

“…[Display omitted] ► Walnut green husk (WGH) is an abundant agro-forest by-product without economic value. ► It could be explored as source of bioactive…”
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The use of flavonoids in central nervous system disorders by Grosso, C, Valentão, P, Ferreres, F, Andrade, P B

“…Neurodegenerative, neurological and psychiatric diseases are a group of pathologies with huge social and economic impacts. Since brain disorders continue to be…”
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Characterization of C-glycosyl flavones O-glycosylated by liquid chromatography–tandem mass spectrometry by Ferreres, F., Gil-Izquierdo, A., Andrade, P.B., Valentão, P., Tomás-Barberán, F.A.

“…Fifty three O-glycosyl- C-glycosyl flavones with O-glycosylation on phenolic hydroxyl or on the C-glycosyl residue or combination of both forms have been…”
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Evaluation of the neuroprotective and antidiabetic potential of phenol-rich extracts from virgin olive oils by in vitro assays by Figueiredo-González, M., Reboredo-Rodríguez, P., González-Barreiro, C., Simal-Gándara, J., Valentão, P., Carrasco-Pancorbo, A., Andrade, P.B., Cancho-Grande, B.

“…In this work, phenol-rich extracts from ‘Cornicabra’ and ‘Picual’ virgin-olive oils (EVOOs) were examined, for the first time, to establish their capacity to…”
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HPLC-DAD-ESI/MS(n) profiling of phenolic compounds from Lathyrus cicera L. seeds by Ferreres, F, Magalhães, S C Q, Gil-Izquierdo, A, Valentão, P, Cabrita, A R J, Fonseca, A J M, Andrade, P B

“…Lathyrus cicera L. seeds are of interest for food and feed purposes. Despite the recognized antioxidant activity of the seeds, arising from the phenolic…”
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Principal components of phenolics to characterize red Vinho Verde grapes: Anthocyanins or non-coloured compounds? by Dopico-García, M.S., Fique, A., Guerra, L., Afonso, J.M., Pereira, O., Valentão, P., Andrade, P.B., Seabra, R.M.

“…Phenolic profile of 10 different varieties of red “Vinho Verde” grapes (Azal Tinto, Borraçal, Brancelho, Doçal, Espadeiro, Padeiro de Basto, Pedral, Rabo de…”
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Antioxidant Activity of Centaurium erythraea Infusion Evidenced by Its Superoxide Radical Scavenging and Xanthine Oxidase Inhibitory Activity by Valentão, P, Fernandes, E, Carvalho, F, Andrade, P. B, Seabra, R. M, Bastos, M. L

“…Centaurium erythraea Rafin. (Gentianaceae) has long been used in traditional medicine. This plant contains considerable amounts of polyphenolic compounds,…”
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Experimental design for extraction and quantification of phenolic compounds and organic acids in white “Vinho Verde” grapes by Dopico-García, M.S., Valentão, P., Guerra, L., Andrade, P.B., Seabra, R.M.

“…An experimental design was applied for the optimization of extraction and clean-up processes of phenolic compounds and organic acids from white “Vinho Verde”…”
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Solid-phase extraction versus matrix solid-phase dispersion: Application to white grapes by Dopico-García, M.S., Valentão, P., Jagodziñska, A., Klepczyñska, J., Guerra, L., Andrade, P.B., Seabra, R.M.

“…The use of matrix solid-phase dispersion (MSPD) was tested to, separately, extract phenolic compounds and organic acids from white grapes. This method was…”
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Water extracts of Brassica oleracea var. costata potentiate paraquat toxicity to rat hepatocytes in vitro by Sousa, C., Pontes, H., Carmo, H., Dinis-Oliveira, R.J., Valentão, P., Andrade, P.B., Remião, F., Bastos, M.L., Carvalho, F.

“…Tronchuda cabbage extracts have been proven to have antioxidant potential against various oxidative species in cell free systems, though its antioxidant…”
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Chemical composition and antioxidant activity of tronchuda cabbage internal leaves by Ferreres, F, Sousa, C, Vrchovská, V, Valentão, P, Pereira, J.A, Seabra, R.M, Andrade, P.B

“…A phytochemical study was undertaken on the internal leaves of tronchuda cabbage (Brassica oleracea L. var. costata DC). Seventeen phenolic compounds were…”
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Plitidepsin to treat multiple myeloma by Gomes, N G M, Valentão, P, Andrade, P B, Pereira, R B

“…While remaining relatively rare, multiple myeloma (MM) accounts for approximately 10% of all hematological malignancies, being an insidious disease with an…”
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Further knowledge on barley ( Hordeum vulgare L.) leaves O-glycosyl- C-glycosyl flavones by liquid chromatography-UV diode-array detection-electrospray ionisation mass spectrometry by Ferreres, F., Andrade, P.B., Valentão, P., Gil-Izquierdo, A.

“…Thirty-seven flavonoids and a hydroxycynnamic acid have been characterized in barley leaves ( Hordeum vulgare L.) by liquid chromatography-UV diode-array…”
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HPLC-DAD-ESI/MSn profiling of phenolic compounds from Lathyrus cicera L. seeds by Ferreres, F., Magalhães, S.C.Q., Gil-Izquierdo, A., Valentão, P., Cabrita, A.R.J., Fonseca, A.J.M., Andrade, P.B.

“…•First HPLC-DAD-ESI/MSn characterization of phenolics from L. cicera seeds.•Thirty-seven flavonoids (mostly 3-O-glycosides) identified.•Two major compounds…”
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Analysis of Phenolic Compounds in the Evaluation of Commercial Quince Jam Authenticity by Silva, B. M, Andrade, P. B, Mendes, G. C, Valentão, P, Seabra, R. M, Ferreira, M. A

“…The phenolic compounds present in 17 samples of Portuguese commercial and three homemade quince jams were analyzed by reversed-phase HPLC/DAD, to determine…”
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Assessing the antioxidative properties and chemical composition of Linaria vulgaris infusion by Vrchovská, V., Spilková, J., Valentão, P., Sousa, C., Andrade, P. B., Seabra, R. M.

“…The ability of Linaria vulgaris (Scrophulariaceae) infusion to act as a scavenger of 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical, reactive oxygen species…”
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Natural extracts as potential source of antioxidants to stabilize polyolefins by Dopico-García, M.S, Castro-López, M.M, López-Vilariño, J.M, González-Rodríguez, M.V, Valentão, P, Andrade, P.B, García-Garabal, S, Abad, M.J

“…Several natural matrices were investigated as potential sources of antioxidants to be used as plastic additives. Extracts of four matrices obtained under the…”
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Assessing the anthocyanic composition of Port wines and musts and their free radical scavenging capacity by Pinho, C., Couto, A.I., Valentão, P., Andrade, P., Ferreira, I.M.P.L.V.O.

“…► Anthocyanic composition of Ruby, LBV and Tawny Port wines and musts was assessed. ► Free radical scavenging capacity of different types of Port wine…”
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Marine natural pigments: Chemistry, distribution and analysis by Pereira, David M., Valentão, Patrícia, Andrade, Paula B.

“…Natural pigments are a group of chemically heterogeneous molecules that occur across several taxonomical groups. Due to the remarkable chemistry of marine…”
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Phenolic fingerprint of peppermint leaves by Areias, F.M, Valentão, P, Andrade, P.B, Ferreres, F, Seabra, R.M

“…A reversed-phase high-performance liquid chromatography procedure is proposed for the determination of 10 phenolic compounds (eriodictyol 7- O-rutinoside,…”
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