RELATIVE COMPARISON OF STABILITY AND DEGRADATION OF METHYLCOBALAMIN TABLETS OF DIFFERENT BRANDS AT DIFFERENT STORAGE SETTINGS

ABDUL RAZIQ; SYED UMER JAN; RAHMAN GUL; YOUSAF KHAN; TAJALA AMAN; PERVAIZ AKHTAR SHAH

doi:10.22159/ijap.2021v13i3.41263

Authors

ABDUL RAZIQ Faculty of Pharmacy and Health Sciences, University of Balochistan, Quetta, Pakistan
SYED UMER JAN Faculty of Pharmacy and Health Sciences, University of Balochistan, Quetta, Pakistan
RAHMAN GUL Faculty of Pharmacy and Health Sciences, University of Balochistan, Quetta, Pakistan, Health Department Government of Balochistan
YOUSAF KHAN Faculty of Pharmacy and Health Sciences, University of Balochistan, Quetta, Pakistan
TAJALA AMAN Bolan Medical College Quetta
PERVAIZ AKHTAR SHAH University College of Pharmacy, University of the Punjab, Lahore, Pakistan

DOI:

https://doi.org/10.22159/ijap.2021v13i3.41263

Keywords:

Stability, Degradation, Methylcobalamin, Storage

Abstract

Objective: To assess relative comparison of stability and degradation of Methylcobalamin tablets of different brands at various storage circumstances.

Methods: The comparative in vitro study of Methycobal (innovator brand) with its other 5 different brands Cobalamin, Neuromet, Incobal, Qbal and Mecobal was organized for evaluation of physicochemical features of hardness, thickness, friability, weight variation, disintegration time and accelerated stability at 3 temperatures, 25 °C, 30 °C±65 % and 40 °C±75 % respectively for 3 mo. Later all brands were passed through HPLC for checking the extent of degradation of drug products.

Results: All tablet brands were within the weight variation specified limits except Mecobal with a relative standard deviation of 6.83%. The weight variation values of Methycobal, Cobalamin, Neuromet, Incobal, Qbal and Mecobal were 0.29%, 0.11%, 0.09%, 0.13%, 0.09% and 0.14% after friability test respectively as per standard limits. The average thickness of Cobalamin, Incobal and Mecobal were not within specified limits. The average hardness of all trades was within limits except Cobalamin and Mecobal exceeding 6kp. The disintegration time of all companies was as per specifications.

Conclusion: Qbal was found economical and cost-effective. However, study facts unveiled no noteworthy variety in the Q. C assessments of Methylcobalamin brands.

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