Antidiabetic and Antioxidative activity of Ethyl acetate Fraction of Hydromethanolic Extract of Seed of Eugenia jambolana Linn Through In-Vivo and In-Vitro Study and its Chromatographic Purification
Kausik Chatterjee1, Kazi Monjur Ali1, Debasis De1, Dilip Kumar Panda2, Debidas Ghosh1★★ Corresponding author
- 1Andrology, Endocrinology and Molecular Medicine Laboratory, Bio-Medical Laboratory Science and Management (UGC Innovative Programme Funded Department), Vidyasagar University, Midnapore-721102, West Bengal, India.
- 2Central Drugs Laboratory, Department of Pharmacology, Ministry of Health & Family Welfare (Govt. of India), 3, Kyd Street, Kolkata-700 016, India.
CORRESPONDENCE
Debidas Ghosh
Andrology, Endocrinology and Molecular Medicine Laboratory, Bio-Medical Laboratory Science and Management (UGC Innovative Programme Funded Department), Vidyasagar University, Midnapore-721102, West Bengal, India.
Volume 2, Issue 1 · pp. 21–30 · PUBLISHED · DOI: 10.5530/ax.2012.2.6
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ABSTRACT
Introduction:Eugenia jambolana of Myrtaceae family is widely distributed and used as diabetic therapeutic traditional medicine in rural India. Antidiabetic potentiality of ethyl acetate fraction of hydromethanolic (40:60) extract of seed of E. jambolana was investigated following in-vivo models in experimental diabetic rat and antioxidative efficacy following in-vitro models. Materials and Methods:Alteration in carbohydrate metabolism during hyperglycaemia was assessed by increased fasting blood glucose, glycated hemoglobin levels along with diminished body weight, level of serum insulin and glycogen contents in liver, skeletal and cardiac tissues of diabetic rat. In-vitro antioxidative potentiality was measured by inhibitory activity of lipid peroxidation, scavenging activity against hydrogen peroxide, nitric oxide, hydroxyl, ABTS and DPPH radicals along with preliminary phytochemical analysis. Bioactive phytoingredients were isolated from ethyl acetate fraction through column chromatography, HPTLC fingerprinting and RP-HPLC analysis. Results: Oral administration of 20 mg ethyl acetate fraction or 0.6 mg glibenclamide in 0.5 mL water/100 g body weight/rat for twice a day at fasting state to diabetic rats for 28 days significantly (p<0.05) resettled carbohydrate metabolomics towards the control levels. This fraction established its primary antioxidant attribute by scavenging hydroxyl, nitric oxide, hydrogen peroxide, ABTS and DPPH radicals along with the inhibition of lipid peroxidation with IC50 values 26.49,28.14,18.45,13.65,10.46, 28.88 μg/mL respectively. Phytochemical screening confirmed isolated compounds were chemically gallic acid in nature. Two separate spots of ethyl acetate fraction were recorded after scanning of HPTLC fingerprinting. RP-HPLC study also shows two completely resolved peaks. Its biosafety profile was established following guidelines. Conclusion:On the basis of experimental studies ethyl acetate fraction of E. jambolana proved its antihyperglycemic and antioxidant nature.
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Chatterjee, K., Ali, K. M., De, D., Panda, D. K., & Ghosh, D. (). Antidiabetic and Antioxidative activity of Ethyl acetate Fraction of Hydromethanolic Extract of Seed of Eugenia jambolana Linn Through In-Vivo and In-Vitro Study and its Chromatographic Purification. Free Radicals and Antioxidants, 2(1), 21–30. https://doi.org/10.5530/ax.2012.2.6