2017
DOI: 10.1016/j.jsps.2016.06.004
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d -α-tocopherol nanoemulsions: Size properties, rheological behavior, surface tension, osmolarity and cytotoxicity

Abstract: The aim of this study was the assessment of the physicochemical stability of d-α-tocopherol formulated in medium chain triglyceride nanoemulsions, stabilized with Tween®80 and Lipoid®S75 as surfactant and co-surfactant, respectively. d-α-tocopherol was selected as active ingredient because of its well-recognized interesting anti-oxidant properties (such as radical scavenger) for food and pharmaceutical industries. A series of nanoemulsions of mean droplet size below 90 nm (polydispersity index < 0.15) have bee… Show more

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Cited by 55 publications
(22 citation statements)
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“…The selected surfactant d-α-tocopheryl polyethylene glycol succinate, or vitamin E TPGS, has been approved by the Food and Drug Administration as a safe ingredient and is commonly used in pharmaceutical dosage forms [71]. Alpha-tocopheryl can also figure as oily phase in the composition of lipid nanoparticles [72]. It is important to bear in mind that the components of nanoparticles might be as toxic as the loaded bioactives [69].…”
Section: Resultsmentioning
confidence: 99%
“…The selected surfactant d-α-tocopheryl polyethylene glycol succinate, or vitamin E TPGS, has been approved by the Food and Drug Administration as a safe ingredient and is commonly used in pharmaceutical dosage forms [71]. Alpha-tocopheryl can also figure as oily phase in the composition of lipid nanoparticles [72]. It is important to bear in mind that the components of nanoparticles might be as toxic as the loaded bioactives [69].…”
Section: Resultsmentioning
confidence: 99%
“…NEs constute a heterogeneous system of two immiscible liquids stabilized by a suitable surfactant [32,[46][47][48][49][50][51]. The droplet diameter is usually between 20 and 400 nm and the limit must be less than 500 nm [52].…”
Section: Nanoemulsions (Ne)mentioning
confidence: 99%
“…Os tocoferóis (αe são uma família de compostos naturais ou sintéticos amplamente utilizados como ingredientes funcionais de alimentos, produtos farmacêuticos e cosméticos, sendo o -tocoferol o membro mais naturalmente abundante e biologicamente ativo da vitamina E em humanos (YANG;. Esses isômeros contêm dois elementos estruturais principais, uma cabeça do anel cromanol (benzodi-hidropirano contendo um grupo álcool) e uma cadeia lateral de fitol, consistindo em unidades repetidas de isoprenóides saturados (Figura 1) (TEIXEIRA et al, 2017).…”
Section: Alfa-tocoferolunclassified
“…O α-tocoferol tem uma ampla variedade de aplicações, dentre elas, redutor de colesterol, protetor cutâneo, potenciador imunológico, preventivo de câncer, regulador de hormônios, inibidor da agregação plaquetária e também é usado como uma molécula anti-inflamatória (KAUR et al, 2017). Além disso, tem função antioxidante ao agir como sequestrador de radicais peroxil livres, podendo, portanto, ser capaz de proteger da auto-oxidação os lipídios presentes na fase gordurosa dos alimentos, bem como aqueles na membrana das células vivas (TEIXEIRA et al, 2017).…”
Section: Alfa-tocoferolunclassified
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