Mangroves are a special category of vascular plants of potential medicinal value. Mangrove plants occur in saline coastal habitats. Some mangroves are utilized for a wide range of disease conditions and are widely utilized in folklore medicine. These specialized plants are able to tolerate extreme environmental conditions. Many of the mangrove species are a rich source of various important phytoconstituents of therapeutic significance. The methanolic extract of various species of mangroves showed significant antimitotic effect when tested in Allium cepa root tips. The roots of Allium cepa showed inhibition of mitosis when treated with methanolic extract of mangroves and standard Vinblastine sulphate for 3 hours in a concentration range of 100 to 1000 μg/ml. The present study revealed that methanolic extract of various species of mangroves such as A.ilicifolius and S.caseolaris and Standard Vinblastine sulphtae inhibited mitosis to the extent of 60% , 17 % and 75 % respectively at 1000 μg/ml.
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