期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 61, 期 9, 页码 2096-2102出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf3052708
关键词
Nanoemulsions; capsaicin; pharmacokinetic; bioavailability; polymers
Nanotechnologies are being employed to enhance the stability and oral bioavailability of lipophilic substances, such as capsaicin. This study aimed to examine the pharmacokinetic properties of the formulated capsaicin-loaded nanoemulsions. A pharmacokinetic study was carried out using double-layer nanoemulsions fabricated with alginate and chitosan polymers and triple-layer nanoemulsions fabricated with chitosan/alginate polymers. Capsaicin nanoemulsions and capsaicin control (oleoresin capsicum) were administered to the rat at a dose of 10 mg/kg. A statistically significant difference was found in the area under the curve from time zero to time infinity (AUC(inf)) among formulations (p < 0.01). In comparison to the control group, the relative bioavailability of formulated nanoemulsions was up to 131.7. The AUC(inf) increased in a nano-size-dependent manner; as nano size decreased, AUC(inf) increased. IN comparison to the double-layer nanoemulsions, the triple-layer nanoemulsion showed a significantly increased volume of distribution, resulting in the increased clearance and decreased AUC(inf). It was concluded that the formulated nanoemulsions could significantly enhance the bioavailabilty of capsaicin.
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