Production and characterization of antioxidant apigenin nanocrystals as a novel UV skin protective formulation.
Int J Pharm
; 420(1): 133-40, 2011 Nov 25.
Article
en En
| MEDLINE
| ID: mdl-21871547
Flavonoids have many positive effects on various cell layers of the skin (e.g. anti-oxidant, anti-allergic and anti-inflammatory effects). However, the limiting factor of the use of flavonoids is their low water solubility. To overcome the poor solubility, apigenin nanosuspensions were prepared using the combination technology (CT), i.e. bead milling and subsequently high pressure homogenization. Distinct reduction in particle size was observed after each bead milling passage resulting in z-average (PCS) of 413 nm and a polydispersity index of 0.202. The LD data showed a similar pattern of particle size reduction reaching a diameter 99% (d(v)99%) of 0.515 µm. The antioxidant capacity of apigenin nanocrystals were almost doubled compared to the original coarse suspension. The developed smartCrystals can be easily incorporated into gels, which makes apigenin nanocrystals available for dermal application as efficient antioxidant.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Piel
/
Quemadura Solar
/
Protectores Solares
/
Rayos Ultravioleta
/
Apigenina
/
Nanopartículas
/
Antioxidantes
Tipo de estudio:
Etiology_studies
Límite:
Humans
Idioma:
En
Revista:
Int J Pharm
Año:
2011
Tipo del documento:
Article
País de afiliación:
Alemania
Pais de publicación:
Países Bajos