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Journal of Applied Pharmaceutical Science Volume: 6, Issue: 9, September, 2016
Preclinical safety assessment of glycosides based standardized fenugreek seeds extract: Acute, subchronic toxicity and mutagenicity studies
Pallavi Deshpande, Vishwaraman Mohan, Prasad Thakurdesai
Objective: To evaluate acute oral toxicity (AOT), subchronic toxicity, and mutagenic potential of glycosides based standardized fenugreek (Trigonella foenum graecum L.) seeds extract (SFSE-G). Materials and Methods: The AOT, subchronic (90-day repeated dose) toxicity and mutagenicity (reverse mutation test) of oral administration of SFSE-G were evaluated using Sprague-Dawley (SD) rats as per OECD guideline no. 423, No. 408 and 471 respectively. Results: The SFSE-G did not show mortality or treatment-related adverse signs during acute (limit dose of 2000 mg/kg) and subchronic (90-days repeated dose of 250, 500 and 1000 mg/kgwith 28 days of recovery period) administration. The SFSE-G showed oral median lethal dose (LD50) more than 2000 mg/kg during AOT study. The no-observed adverse effect level (NOAEL) of SFSE-G was 1000 mg/kg in male rats and 500 mg/kg in female rats during subchronic toxicity study. Furthermore, SFSE-G did not show mutagenic potential in vitro. Conclusions: SFSE-G was found safe for acute and subchronic (90 days repeated dose) administration in rats with no mutagenic potential.
Keywords: Fenugreek seeds; glycosides; acute oral toxicity; subchronic toxicity; Mutagenicity; rats.