Nanostructured biobased systems for nutrient and bioactive compounds delivery

Cerqueira, Miguel A.; Pinheiro, Ana Cristina; Carmo, Cátia Vanessa Saldanha do; Duarte, Isabel Catarina; Cunha, Maria das Graças Carneiro da

doi:10.1016/b978-0-12-804304-2.00002-0

Cited by 7 publications

(1 citation statement)

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“…optical, thermal, absorption and stabilitywhen compared with micro-and macroscale systems, which make their use very attractive in the processing of functional foods and novel packing systems. The main aspect that oversees this behaviour is the area-to-volume ratio once it determines the physicochemical characteristics and brings several advantages, such as a high encapsulation efficiency and stability, a tailored control release, an enhanced solubility and also the prevention of undesirable chemical reactions (Cerqueira et al, 2014;Cerqueira et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Electrosprayed whey protein-based nanocapsules for β-carotene encapsulation

et al. 2020

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A B S T R A C TIn this work an electrohydrodynamic process (electrospray) was used to produce β-carotene loaded nanocapsules based on whey protein isolate (WPI). WPI solutions were prepared in aqueous solutions with different concentrations of ethanol (5, 10 and 15%) which were used for β-carotene solubilization. Different electrospray conditions were tested and the morphology and molecular organization of the nanocapsules were studied on dried and hydrated state. The size of the dried nanocapsules ranged between 227 and 283 nm. After hydration, there was a significant increase in the mean size of the nanocapsules, being the sizes higher for nanocapsules produced with increasing concentrations of ethanol. Results, obtained from the reactivity of free sulfhydryl groups and fluorescence analysis, showed that the increase of ethanol concentration had a destabilizing effect on the protein unfolding.Electrosprayed WPI-based nanocapsules can be used for the encapsulation of β-carotene answering the industrial demand for novel encapsulation technologies to protect sensitive bioactive compounds.

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Section: Introductionmentioning

confidence: 99%