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BRS Violeta (BRS Rúbea × IAC 1398-21) grape juice powder produced byfoam mat drying. Part I: Effect of drying temperature on phenoliccompounds and antioxidant activity. Repositório Alice
TAVARES, I. M. de C.; CASTILHOS, M. B. M. de; MAURO, M. A.; RAMOS, A. M.; SOUZA, R. T. de; GÓMEZ-ALONSO, S.; GOMES, E.; DA-SILVA, R.; HERMOSÍN-GUTIÉRREZ, I.; LAGO-VANZELA, E. S..
The BRS Violeta grape presents pulp and skin with high content of phenolic compounds (PCs) and intensepurplish color. It was used as raw material for the production of juice and dehydrated products using foam matdrying at 60, 70 and 80 °C and freeze drying (control). HLPC-DAD-ESI-MSnallowed the evaluation of thequantitative and qualitative changes of the main PCs (anthocyanins,flavonols and hydroxycinnamic acid de-rivatives (HCAD)) present in the grapes during the processing. The use of the steam extraction method to obtaingrape juice allowed a greater extraction offlavonols and, mainly derivatives of hydroxycinnamic acids, whencompared with anthocyanins. Drying at 70 °C was the most suitable for the preservation of the PCs and, at thesame time, for the...
Tipo: Artigo de periódico Palavras-chave: BRS Violeta grape; Juice.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1118237
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Effect of the pre-treatment and the drying process on the phenolic composition of raisins produced with a seedless Brazilian grape cultivar. Repositório Alice
OLIVATI, C.; NISHIYAMA, Y. P. de O.; SOUZA, R. T. de; JANZANTTI, N. S.; MAURO, M. A.; GOMES, E.; HERMOSÍN-GUTIÉRREZ, I.; SILVA, R. da; LAGO-VANZELA.
The grape is an important fruit regarding economic and health benefit parameters, because of its large consumption around the world and their bioactive phenolic compounds. The drying process of BRS Morena grapes, whether pre-treated or not with olive oil for producing raisins, resulted in qualitative and quantitative changes in their phenolic composition (anthocyanins, flavonols, stilbenes, hydroxycinammic acid derivatives, flavan-3-olsand proanthocyanidins). The raisins with the pre-treatment preserved more anthocyanins and proanthocyanidins than the raisins not pre-treated. Moreover, the total dehydration time accelerated by approximately 40% in the raisins pre-treated. Therefore, the production of raisins of BRS Morena grapes pre-treated with olive oil...
Tipo: Artigo de periódico Palavras-chave: BRS Morena; Phenolic composition; HPLC-DAD-ESI-MS; Bioactive phenolic compounds; Flavonóides; Uva; Raisins; Drying; Anthocyanins; Flavonoids; Grapes.
Ano: 2018 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1103334
Registros recuperados: 2
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