Biological effects of indigenous medicinal plants Curcuma longa and Alpinia galanga
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Somia Khattak1, Saeed-ur-Rehman, Hamid Ullah Shah
1Department of Chemistry, University of Peshawar, Pakistan. somiakhattak@yahoo.com
Abstract:
The ethanolic extracts of Curcuma longa and Alpinia galanga exhibited excellent (100%) phytotoxic activity against Lemma minor. These extracts were also found to possess good antifungal activities against Trichophyton longifusus (65% and 60%, respectively), while in the brine shrimp lethality bioassay were found to be toxic with LD50 of 33 and 109 mincrog/ml, respectively. These extracts were found quite inert in antibacterial bioassay, while the extract from C. longa, tested for insecticidal activity, was also found to be devoid of any activity.
