• Punnagai K Department of Pharmacology, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India.
  • Glory Josephine I Department of Pharmacology, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.



Calliandra haematocephala, Alpha-amylase, Alpha-glucosidase


Objective: The global burden and the high prevalence of diabetes mellitus in India signify the importance of its control with effective measures. Particularly, intestinal alpha-amylase and alpha-glucosidase enzyme inhibitors reduce postprandial hyperglycemia and play a key role in preventing diabetic complications. Herbal plants also possess greater antioxidant, enzyme inhibitory, and antihyperglycemic activities with minimal side effects. Hence, this study is done to elucidate the inhibition of alpha-amylase and alpha-glucosidase enzyme activity and antidiabetic potential of Calliandra haematocephala.

Methods: The leaves of C. haematocephala extracted by ethanol as a solvent were used to elucidate the blocking of alpha-amylase and alpha-glucosidase enzymes for antidiabetic effect, and the absorbance was measured using spectrophotometry. The percentage of inhibition and half maximal inhibitory concentration (IC50) value of the plant and control were calculated.

Results: The maximum percentage inhibition of C. haematocephala against alpha-amylase was 61% (IC50 value of 82.18 μg/ml) and alpha-glucosidase was 71% (31.07 μg/ml). The maximum percentage inhibition of acarbose against alpha-amylase was 92% (IC50 value of 42.65 μg/ml) and alpha-glucosidase was 89% (62.28 μg/ml).

Conclusion: Hence, the above study proved the antidiabetic activity of C. haematocephala and its significant role in the pharmacotherapy of diabetes mellitus.


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Author Biographies

Punnagai K, Department of Pharmacology, Sri Ramachandra Medical College and Research Institute, Chennai, Tamil Nadu, India.


Department Of Pharmacology

Sri Ramachandra Medical College&Research Institute

Porur, Chennai

Glory Josephine I, Department of Pharmacology, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.


Department of Pharmacology

Sree Balaji Medical College&Hospital

Chrompet, Chennai


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How to Cite

K, P., and G. Josephine I. “ALPHA-AMYLASE AND ALPHA-GLUCOSIDASE INHIBITORY EFFECTS OF CALLIANDRA HAEMATOCEPHALA AND ITS POTENTIAL ROLE IN DIABETES MELLITUS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 11, no. 12, Dec. 2018, pp. 429-32, doi:10.22159/ajpcr.2018.v11i12.28517.



Original Article(s)