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Phenolic compounds from passion fruit rinds using ultrasound-assisted pressurized liquid extraction and nanofiltration

2022; Elsevier BV; Volume: 325; Linguagem: Inglês

10.1016/j.jfoodeng.2022.110977

1873-5770

Débora Tamires Vítor Pereira, Francisco Manuel Barrales, Ericsem Pereira, Juliane Viganó, Amadeu H. Iglesias, Félix Guillermo Reyes Reyes, Julián Martínez,

Medicinal Plants and Neuroprotection

Ultrasound-Assisted Pressurized Liquid Extraction (UAPLE) and Nanofiltration (NF) were performed in 70% ethanol to recover and concentrate bioactive compounds from passion fruit rinds. Polyamide Thin-Film Composite membranes with nominal MWCO between 150 and 300 Da provided good retention of phenolic compounds (74–89%) and antioxidant capacity (84–96%) with a maximum mass concentration factor 1.4. The membrane surface showed particle deposition and fouling after filtration using AFM, SEM and FTIR, resulting in reductions of permeate mass fluxes of 50–57%. Isoorientin was the main phenolic compound found in the retentates. Integrated UAPLE and NF is a promising process to recover and concentrate phenolic compounds from passion fruit rinds.