Busca avançada
Ano de início
Entree
(Referência obtida automaticamente do Web of Science, por meio da informação sobre o financiamento pela FAPESP e o número do processo correspondente, incluída na publicação pelos autores.)

Pressurized liquid extraction of bioactive compounds from grape marc

Texto completo
Autor(es):
Vitor Pereira, Debora Tamires [1] ; Tarone, Adriana Gadioli [2] ; Betim Cazarin, Cinthia Bau [2] ; Fernandez Barbero, Gerardo [3] ; Martinez, Julian [1]
Número total de Autores: 5
Afiliação do(s) autor(es):
[1] Univ Estadual Campinas, UNICAMP, Food Engn Dept, Sch Food Engn, BR-13083862 Campinas, SP - Brazil
[2] Univ Estadual Campinas, UNICAMP, Food & Nutr Dept, Sch Food Engn, BR-13083862 Campinas, SP - Brazil
[3] Univ Cadiz, Fac Sci, Dept Analyt Chem, IVAGRO, Republ Saharaui Ave S-N, Cadiz 11510 - Spain
Número total de Afiliações: 3
Tipo de documento: Artigo Científico
Fonte: Journal of Food Engineering; v. 240, p. 105-113, JAN 2019.
Citações Web of Science: 16
Resumo

Extracts rich in monomeric anthocyanins (MAC) and total phenolic compounds (TPC) were obtained from grape mare by Pressurized Liquid Extraction (PLE). PLE was performed using ethanol and water mixtures (acidified or not) (50% w/w), pure ethanol and acidified water at temperatures from 40 to 100 degrees C. The best PLE conditions for MAC extraction (ethanol-water pH 2.0 {[}50% w/w]) resulted in 10.21 mg of malvidin-3-O-glucoside/g of dried grape marc (dr). Fifteen anthocyanins were identified and quantified in PLE extracts by UHPLC-UV-Vis. PLE with ethanol-water (50% w/w) as solvent at 100 degrees C achieved the highest TPC content (65.68 mg GAE/g dr) and antioxidant capacity by ORAC (772.11 mu mol TE/g dr) and FRAP (1452 mg TE/g dr) among the evaluated conditions. Based on the results for extraction of monomeric anthocyanins and phenolics compounds, a sequential PLE process was performed and proved to be viable for the recovery of two different extract fractions. (AU)

Processo FAPESP: 15/11932-7 - Integração de processos de extração a alta pressão com operações de separação para o aproveitamento de subprodutos do processamento de frutas
Beneficiário:Julian Martínez
Modalidade de apoio: Auxílio à Pesquisa - Regular