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Qualitative and quantitative analysis of biologically active principles ...

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Anti­inflammatory activity<br />

The administration <strong>of</strong> the root extract inhibited the carragenan<br />

induced acute paw oedema <strong>and</strong> formalin induced chronic paw<br />

oedema in a dose dependent manner (Table 6). The animals treated<br />

with 70 per cent methonolic extract @ 250 mg/kg <strong>and</strong> 500 mg/kg<br />

showed 47.05 <strong>and</strong> 70.58% inhibition <strong>of</strong> carragenan induced acute<br />

inflammation. In the case <strong>of</strong> formalin induced chronic<br />

inflammation, 250 mg/kg <strong>and</strong> 500 mg/kg showed inhibition <strong>of</strong><br />

50.00 <strong>and</strong> 72.00%, respectively (Table 7).<br />

Table 6. Effect <strong>of</strong> Premna serratifolia (70% methanolic extract) on<br />

carrageenan induced paw odema<br />

Initial paw<br />

Groups thickness<br />

(mm)<br />

Control 0.21 ±<br />

0.01<br />

Dichl<strong>of</strong>enac 0.22 ±<br />

0.02<br />

Paw<br />

thickness on<br />

3 hrs (mm)<br />

Increase in<br />

paw<br />

thickness<br />

% <strong>of</strong><br />

inhibition<br />

0.38 ± 0.02 0.17 …….<br />

0.29 ± 0.07 58.82<br />

0.008 a<br />

Premna serratifolia<br />

250 mg/kg body<br />

wt<br />

Premna serratifolia<br />

500 mg/kg body<br />

wt<br />

0.21 ±<br />

0.02<br />

0.20 ±<br />

0.01<br />

0.30 ± 0.09 47.05<br />

0.008 a<br />

0.25 ± 0.05 70.58<br />

0.027 a<br />

Values are Mean ± SD; for six animals in each group; (a) p, 0.01, (b)<br />

p

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