Ohmic heating polyphenolic extracts from vine pruning residue with enhanced biological activity.

Abstract:

:Vine Pruning residue was submitted to conventional heating and ohmic heating (OH) for the extraction of bioactive compounds and analyzed for total phenolic content (TPC), polyphenolic profile, antioxidant activity, antimicrobial activity and anticancer activity. The OH extracts were obtained using Low electric field (496.0 V/cm) or Intermediate electric field - IEF (840.0 V/cm). The tests were performed using 45% (v/v) ethanol-water extraction solution at 80 °C at different extraction times (20-90 min). The extract that stood out among the others concerning anticancer potential was the one obtained by OH when used, IEF, where the TPC was significantly higher than in the other extracts which correlated with higher antioxidant, antimicrobial and anti-proliferative activity on different tumor cell lines (HepG2, MDA-MB-231, MCF-7 and Caco2). Vine pruning OH extracts obtained using green solvents by an eco-friendly procedure were revealed as a source of compounds with relevant antioxidant and anticancer activity.

journal_name

Food Chem

journal_title

Food chemistry

authors

Jesus MS,Ballesteros LF,Pereira RN,Genisheva Z,Carvalho AC,Pereira-Wilson C,Teixeira JA,Domingues L

doi

10.1016/j.foodchem.2020.126298

subject

Has Abstract

pub_date

2020-06-30 00:00:00

pages

126298

eissn

0308-8146

issn

1873-7072

pii

S0308-8146(20)30147-3

journal_volume

316

pub_type

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