5 documents found, page 1 of 1
New Insights into pH-dependent Complex Formation between Lignosulfonates and An...
Pereira, AR; Bravo, C; Ramos, RM; Carina Costa; Rodrigues, A; de Freitas, V; Mateus, N; Dias, R; Soares, S; Joana OliveiraAnthocyanins have limited application as natural colorants and antioxidants due to their color loss and instability under certain conditions. This research explores the formation of a complex between lignosulfonates (LS) and cyanidin-3-O-glucoside (C3G) using a multitechnique approach as well as the effect on C3G ' s red color, oxidative stability, and antioxidant activity in acidic mediums. All data revealed p...
First Insight into Lignin Valorization as a Promising Biopolymer for the Modula...
Pereira, AR; Brandao, E; Pinto, J; de Pinho, PG; Carina Costa; Rodrigues, AE; Michelin, M; Soares, S; de Freitas, V; Mateus, N; Oliveira, JLignosulfonate (LS), kraft lignin (KL), and organosolv lignin (OL) were evaluated as potential modulating agents of the physicochemical properties of Port wine at two different concentrations for 7 and 30 days. KL and LS demonstrated the ability to remove proteins and potentiate the anthocyanin concentration. LS reduced the tannin content and the interaction of salivary acidic proline-rich proteins with wine ph...
Investigating the Impact of Dietary Fibers on Mycotoxin Bioaccessibility during...
Lopez Ruiz, R; Marin Saez, J; Cunha, SC; Fernandes, A; de Freitas, V; Viegas, Olga; Ferreira, IMPLVOMycotoxins contamination is a real concern worldwide due to their high prevalence in foods and high toxicity; therefore, strategies that reduce their gastrointestinal bioaccessibility and absorption are of major relevance. The use of dietary fibers as binders of four mycotoxins (zearalenone (ZEA), deoxynivalenol (DON), HT-2, and T-2 toxins) to reduce their bioaccessibility was investigated by in vitro digestion...
Fibre enrichment of cookies to mitigate acrylamide formation and gastrointestin...
López Ruiz, R; Marin Saez, J; Cunha, SC; Fernandes, A; de Freitas, V; Viegas, Olga; Ferreira, IMPLVOAcrylamide (AA) is a food contaminant with serious health effects. In this work, the addition of dietary fibre was proposed to mitigate AA in cookies and to reduce bioaccesibility in the gastrointestinal trac. The analytical methodology applied for AA quantification was based on solid-liquid extraction (SLE) followed by gas chromatography (GC) coupled to mass spectrometry (MS). Preliminar results with commercia...
Multiple-approach studies to assess anthocyanin bioavailability
Fernandes, I; Faria, A; de Freitas, V; Calhau, C; Mateus, NAnthocyanins that are commonly ingested from the diet are largely conjugated, metabolized by colon microbiota and excreted in the urine and feces, yielding in a rather low bioavailability. Nevertheless, there are several health-promoting properties attributed to the ingestion of dietary anthocyanins including cardiovascular and neuroprotective effects, and the prevention of some types of cancer. There are many ...