Toxicokinetic Study of a Gastroprotective Dose of Capsaicin by HPLC-FLD Method

Molecules

Tibor Past¹  Gyula Mózsik¹  Pál Perjési²  Attila Almási²  Krisztina Fodor²  Mónika Kuzma² 

[1] First Department of Medicine, Medical and Health Center, University of Pécs, Ifjúság str. 13, H-7624 Pécs, Hungary;Institute of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Pécs, Rókus str. 2, H-7624 Pécs, Hungary;

关键词: capsaicin;    dihydrocapsaicin;    non-steroid anti-inflammatory drugs;    gastroprotection;    high-performance liquid chromatography (HPLC);    biotransformation;   

DOI  :  10.3390/molecules24152848

来源: DOAJ

【 摘 要 】

Background: A low dose of capsaicin and its natural homologs and analogs (capsaicinoids) have shown to prevent development of gastric mucosal damage of alcohol and non-steroid anti-inflammatory drugs. Based on this experimental observation, a drug development program has been initiated to develop per os applicable capsaicin containing drugs to eliminate gastrointestinal damage caused by non-steroid anti-inflammatory drugs. Methods: As a part of this program, a sensitive and selective reverse-phase high-performance liquid chromatography-based method with fluorescence detection has been developed for quantification of capsaicin and dihydrocapsaicin in experimental dog’s plasma. Results: The method was evaluated for a number of validation characteristics (selectivity, repeatability, and intermediate precision, LOD, LOQ, and calibration range). The limit of detection (LOD) was 2 ng/mL and the limit of quantification (LOQ) was 10 ng/mL for both capsaicin and dihydrocapsaicin. The method was used for analysis of capsaicin and dihydrocapsaicin in the plasma samples obtained after per os administration of low doses (0.1, 0.3, and 0.9 mg/kg bw) of Capsaicin Natural (USP 29) to the experimental animals. Conclusions: The obtained results indicated that the administered capsaicinoids did not reach the general circulation.

【 授权许可】

Unknown