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Development of sesamin-loaded solid dispersion with α-glycosylated stevia for improving physicochemical and nutraceutical properties
- Sato, Hideyuki, Aoki, Asako, Tabata, Aiko, Kadota, Kazunori, Tozuka, Yuichi, Seto, Yoshiki, Onoue, Satomi
- Journal of functional foods 2017 v.35 pp. 325-331
- Stevia, animal models, bioavailability, functional foods, pharmacokinetics, protective effect, rats, solubilization, spray drying
- The present study aimed to enhance the nutraceutical properties of sesamin (SES) by solid dispersion (SD) approach using α-glycosylated stevia (Stevia-G) as a carrier compound with solubilizing effect. The SD formulations were characterized in terms of physicochemical and pharmacokinetic properties. The skin protective effect was evaluated in a rat model of drug-induced photodermatosis. The SES-loaded SD with Stevia-G (SES/Stevia-G-SD) prepared with spray-drying were uniform and spherical with a diameter of about 3μm, and SES within the formulation was found to be an amorphous state, possibly leading to improved dissolution behavior of SES. SES/Stevia-G-SD provided 190-fold increase in the dissolution amount of SES compared with crystalline SES. The oral bioavailability of SES/Stevia-G-SD (20mg-SES/kg) was 30-fold higher than that of crystalline SES. Orally-dosed SES/Stevia-G-SD (20mg-SES/kg) protected rat skins from drug-induced photodermatosis. Based on these findings, the SES/Stevia-G-SD approach might be efficacious to enhance the nutraceutical potential of SES.