Development of official assay method for loperamide hydrochloride capsules by HPLC
Development of official assay method for loperamide hydrochloride capsules by HPLC
분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2020, v.33 no.6, pp.252-261
https://doi.org/10.5806/ast.2020.33.6.252
Le, Thi-Anh-Tuyet
(College of Pharmacy, Kangwon National University)
Nguyen, Bao-Tan
(College of Pharmacy, Kangwon National University)
Kim, Min-Ho
(College of Pharmacy, Kangwon National University)
Kim, Bit
(College of Pharmacy, Kangwon National University)
Kim, Hyun-Soo
(College of Pharmacy, Kangwon National University)
Jeong, Seung-Won
(College of Pharmacy, Kangwon National University)
Kang, Jong-Seong
(College of Pharmacy, Chungnam National University)
Na, Dong-Hee
(College of Pharmacy, Chungang University)
Chun, In-Koo
(The Research Foundation for Pharmaceutical Quality)
Kim, Kyeong Ho
(College of Pharmacy, Kangwon National University)
Le, Thi-Anh-Tuyet,
Nguyen, Bao-Tan,
Kim, Min-Ho,
Kim, Bit,
Kim, Hyun-Soo,
Jeong, Seung-Won,
Kang, Jong-Seong,
Na, Dong-Hee,
Chun, In-Koo,
&
Kim, Kyeong Ho.
(2020). Development of official assay method for loperamide hydrochloride capsules by HPLC. , 33(6), 252-261, https://doi.org/10.5806/ast.2020.33.6.252
Abstract
Currently, the potentiometric titration and the high pressure liquid chromatography (HPLC) method were utilized in Korean Pharmacopoeia XII (KP XII) as well as other pharmacopoeias (USP, EP, BP) for determination of loperamide hydrochloride in raw materials and capsules, respectively. The research objective is to overcome the remaining drawbacks from current methods such as solubility of mobile phase (KP XII), less scientific approach (USP 43) or using paired-ion chromatography reagent which shows some limitations (BP2017 and other formulation monographs). The proposed method was optimized by Design of Experiment (DoE) tool to obtain the satisfied method for determination of loperamide hydrochloride. The optimal condition was performed on the common C18 column (150 mm × 4.6 mm; 5 ㎛) using isocratic elution with the mobile phase containing 40 mM of potassium phosphate monobasic (pH 3.0) and acetonitrile (56:44), at a flow rate of 0.7 mL/min. The optimized method was validated and met the requirements of the International Conference on Harmonization. The developed method was applied to determine loperamide hydrochloride in capsules and can be used to update the current monograph in KP XII.
- keywords
-
loperamide hydrochloride,
capsules,
assay,
DoE,
HPLC