Study of Bioactivities of Holarrhena pubescence Growing in Bangladesh

A K Lutful Kabir, Mst. Marium Begum, Tahiya Islam

Abstract


The stem bark of Holarrhena pubescence was tested for anti-diabetic, analgesic, anti-inflammatory
and antidiarrheal activities. After 1, 4 and 12 weeks of treatment protocol in alloxan-induced diabetic rats, it showed
very negligible reduction of blood glucose level. In 12 weeks treatment protocol H. pubescence demonstrated that,
the extract at 300 and 600 mg/kg bw can reduce blood glucose level by 3 and 4 mmol/l, respectively. Bark extract
possessed strong analgesic, anti-diarrheal and mild anti-inflammatory activities. A dose of 600-mg/kg showed
69.50% (p<0.05) of writhing inhibition compared to indomethacin (73.76%) for acetic acid-induced analgesic
method. In formalin-induced anti-nociception, the extract at 300 and 600 mg/kg bw showed dose dependent antinociception
(67.42% and 69.007%, respectively, p < 0.05). The anti-diarrheal study demonstrated significant antidiarrheal
potential in a dose dependent manner as demonstrated by reduction of defecation by 64.92% and 71.43%,
for 300- and 600-mg/kg bw, respectively.


Keywords


Holarrhena pubescence, Anti-diabetic, Analgesic, Anti-inflammatory, Anti-diarrheal.

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The Dhaka University Journal of Pharmaceutical Sciences
ISSN 1816-1820 (Print) 1816-1839 (Online)