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Polysulfides accumulation in white wines produced from different oenological yeasts

Amongst the different factors affecting wine quality, yeast plays a crucial role in winemaking. Besides the positive contribution to the wine bouquet, yeast metabolism can also be related to wine defects, with H2S being one of the most well-studied. Recent evidence has shown a novel accumulation pathway from H2S, originating from non-volatile polysulfides. In the present study, the effect of different oenological yeasts on the accumulation of polysulfides during wine fermentation was investig...

Validating the Italian version of the Adult Picky Eating Questionnaire

Interest in adult picky eating (PE), i.e., the unwillingness to eat familiar foods or try novel foods, has grown rapidly in the last decade as a result of its negative health consequences. Fairly poor data are available on the prevalence of PE in Italy, mostly due to the lack of a psychometrically sound tool to measure this construct. Thus, this contribution aimed at translating and validating the 20-item Adult Picky Eating Questionnaire (APEQ) for use in the Italian context. The APEQ was tra...

Oral processing behaviours of liquid, solid and composite foods are primarily driven by texture, mechanical and lubrication properties rather than by taste intensity

The aim of this study was to understand the influence of saltiness and sweetness intensity on oral processing behaviours of liquid, solid and composite foods. As salty foods, tomato sauce (liquid), penne pasta (solid) and their combination (composite food) were used at two levels of saltiness intensity (low/high). As sweet foods, strawberry sauce (liquid), milk gels (solid) and their combination (composite foods) were used at two levels of sweetness intensity (low/high). Saltiness, sweetness,...

Mitochondrial DNA suggests uniqueness of an isolated population of the Italian minnow (Phoxinus lumaireul Schinz, 1840) (Teleostei: Cyprinidae) in central Apennines (Italy)

Two mitochondrial genes (cytochrome oxidase I and cytochrome b) were examined to compare an isolated population of the Italian minnow in the central Apennines to other populations in the species’ range (Po plain) and other European minnow species. Both mitochondrial markers showed a new haplotype, fixed in a sample of 30 specimens, never observed in the main species distribution range, and ostensibly divergent from other Italian minnow haplotypes. The result suggests a long history of isolati...

Investigation of Brazilian grape juice metabolomic profile changes caused by methyl jasmonate pre-harvest treatment

Grape juice is a major source of potential health-promoting bioactive polyphenols, especially for children and those who do not consume wine. Since the subtropical climate may negatively affect the concentrations of grape polyphenols, especially anthocyanins, elicitors such as methyl jasmonate (MeJa) could be used to promote polyphenol biosynthesis. This work aimed to investigate the impact of MeJa treatment on grape juice produced via a traditional low-cost process from two Vitis labrusca cu...

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