0000000000605842

AUTHOR

Guarrasi

showing 2 related works from this author

Valorization of apple peels through the study of the effects on the amyloid aggregation process of ?-casein

2021

Waste valorization represents one of the main social challenges when promoting a circular economy and environmental sustainability. Here, we evaluated the effect of the polyphenols extracted from apple peels, normally disposed of as waste, on the amyloid aggregation process of ?-casein from bovine milk, a well-used amyloidogenic model system. The effect of the apple peel extract on protein aggregation was examined using a thioflavin T fluorescence assay, Congo red binding assay, circular dichroism, light scattering, and atomic force microscopy. We found that the phenolic extract from the peel of apples of the cultivar "Fuji", cultivated in Sicily (Caltavuturo, Italy), inhibited ?-casein fib…

Circular dichroismMalusAmyloidAmyloidSettore CHIM/10 - Chimica Degli Alimenti&#954INHIBITIONPharmaceutical ScienceOrganic chemistryPROTEINProtein aggregationMicroscopy Atomic ForceFIBRIL FORMATIONArticleAnalytical Chemistry03 medical and health scienceschemistry.chemical_compound0302 clinical medicineQD241-441OLIGOMERSCaseinTRANSTHYRETIN AMYLOIDOSISANTIOXIDANTDrug Discovery-casein amyloid aggregationFood sciencePhysical and Theoretical Chemistrypolyphenolic extract030304 developmental biology0303 health sciencesbiologyChemistryNATURAL POLYPHENOLSCaseinsκ-casein amyloid aggregationbiology.organism_classificationSTATECongo redfruit wasteChemistry (miscellaneous)PolyphenolFIBRILLOGENESISMalusFruit waste; Polyphenolic extract; ?-casein amyloid aggregationMolecular MedicineThioflavinTHIOFLAVIN-T030217 neurology & neurosurgery
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Application of MOOSY32 eNose to Assess the Effects of Some Post Harvest Treatments on the Quality of ‘Salustiana’ Orange Juice

2015

A new prototype of Electronic Nose instrument, Multisensory Odor Olfactory System MOOSY32, with a processing method based on a multivariate classification analysis was used to assess different postharvest and storage treatments effects to Salustiana oranges. The analysis method is based on the measurement of the volatile compounds produced under different environmental and operational conditions. The Electronic Nose system revealed that orange juice flavor changes even when juices are analyzed right after each treatment and fruits are stored under refrigerated conditions. The instrument was able to detect even small changes in the aromatic pattern of the juices, confirming that the packing …

Orange juiceElectronic nosefood and beveragesStorageOrange (colour)OrangeFlavorElectronic noseProcessing methodsElectronic nose | Orange | Flavor | Ethylene | Coating | Storage |TECNOLOGIA ELECTRONICACoatingEthyleneOdorPostharvestWEKAEnvironmental scienceFood scienceANNFlavorMultivariate classification
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