Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 326, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2022.116728
Keywords
Jalpai; Weed control; Compounds 1 2 3 4 [(+)-dehydrovomifoliol; 5; 6-Epoxy-3-hydroxy-7-megastigmen-9-one; (-)-Dehydrololiolide; 4-Hydroxy-3; 3; 5-trimethyl-4-((E)-3-oxobut-1-en-1-yl) cyclohexan-1-one]
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Allelopathic compounds derived from plants like Elaeocarpus floribundus can be used as natural herbicides to control weeds and reduce environmental pollution. This study identified four active compounds with strong growth inhibitory potential against cress, suggesting their pivotal role in the allelopathic potential of E. floribundus.
Allelopathic compounds can play a vital role in protecting the environment from pollution by synthetic herbi-cides. Compounds isolated from plant species with allelopathic potential can be used as natural herbicides to control weeds and help reduce environmental pollution. Elaeocarpus floribundus has been reported to contain allelopathic compounds. Aqueous methanolic extracts of the leaves of this plant showed strong growth inhibitory potential against two test species (monocotyledonous Italian ryegrass and dicotyledonous alfalfa) in plants-and dose-dependent technique. Several extensive chromatographic separations of the E. floribundus leaf extracts yielded four active compounds 1, 2, 3, and 4 (novel compound). All the identified compounds showed strong growth inhibitory potential against cress. The concentrations caused for 50% growth limitation (I50 values) of the cress seedlings were in the range 500.4-1913.1 mu M. The findings indicate that the identified compounds might play a pivotal function in the allelopathic potential of E. floribundus tree. This report is the first on elaeo-carpunone and its allelopathic potential.
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