Table 1: Effect of different formulations on Histopathological features on U.V.-B-induced psoriasis in rats.

TreatmentMunro’s microabscessElongation of rete ridgesCapillary loop dilation

Positive control++++++
Standard
Test 1++
Test 2
Test 3+
Cream base++++
Extract+

Notes. + mild or slight grade lesion; ++ moderate grade lesion; +++ severe grade lesion; − no lesion in.