Enhanced anticancer effect of quercetin microparticles formulation obtained by spray drying

Risultato della ricerca: Articlepeer review


This study unravels a formulation made of food-based microparticles (MPs) able to control the release ofquercetin, a natural anticancer compound, which activity is only limited by its poor aqueous solubilityand consequent low bioavailability. To solve this issue, a spray-dried micro delivery system was developedusing a bench mini spray dryer B290 Buchi. The resulting MPs were only manufactured with foodderivedingredients such as whey proteins and milk, avoiding the use of any other synthetic material.These microparticles were characterised with a testing campaign encompassing either the physical–chemicalcharacterisation with SEM, DSC and DLS, or the technological and biological features with in vitro,ex vivo and in vivo studies, the latter being characterised by a human colon cancer xenograft model.These studies showed as the quercetin solubility and release rate improved when tested in condition mimickingoral administration, resulting in a general improvement of its bioavailability and the consequentanticancer activity. This study shows as the whey proteins may serves as natural adjuvant able to providevaluable technological features when used to manufactures micro carriers by spray drying.
Lingua originaleEnglish
Numero di pagine8
Stato di pubblicazionePublished - 2021


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