Low-density polyethylene-based packaging with 4% lemon extract (LDPE/4LE) and two polylactic-based (PLA) packaging materials with 4% and 6% lemon extract (PLA/PEG/4LE and PLA/6LE) were produced. O2 and water permeability tests were performed, the total and individual phenolic compounds content were measured, and the films’ antioxidant activities were determined. The films’ ability to delay lipid oxidation was t...
In the European Union (EU), Salmonella was the causative agent responsible for almost one in three (30.7%) of all foodborne outbreaks reported by member states during 2018, causing 11,581 cases of illness, which represented an increase of 20.6% compared to 2017. Considering the importance of this foodborne zoonotic bacterium in food safety and human health, several strategies for the control and consequent dete...
As folhas de cha verde (Camellia sinensis (L.) Kuntze) contem, na sua constituicao quimica, uma percentagem elevada de polifenois, que sao considerados otimos agentes antioxidantes e antimicrobianos. Este trabalho teve como objetivo avaliar a atividade antimicrobiana do extrato de cha verde e do filme de acido polilactico (PLA), destinado a aplicacoes alimentares, com extrato de cha verde incorporado em diferen...