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Action of Aqueous Extracts of Phyllanthus niruri L. (Euphorbiaceae) leaves on Meristematic Root Cells of Allium cepa L.
Provedor de dados: Anais da Academia Brasileira de Ciências
Autores: NEVES,ERASMOVLANE S.B.; FERREIRA,PAULO MICHEL PINHEIRO; LIMA,LEONARDO H.G.M.; PERON,ANA PAULA.
This study aimed to evaluate the effects of aqueous extracts of dried Phyllanthus niruri L. (stonebreaker) leaves on Allium cepa L. root meristem cells at four concentrations, 0.02 (usual concentration), 0.04, 0.06 and 0.08mg/mL and exposure times of 24 and 48 hours. For each concentration we used a group of five onion bulbs that were first embedded in distilled water and then transferred to their respective concentrations. The radicles were collected and fixed in acetic acid (3:1) for 24 hours. The slides were prepared by the crushing technique and stained with 2% acetic orcein. Cells were analyzed throughout the cell cycle, totaling 5000 for each control and exposure time. The calculated mitotic indices were subjected to the Chi-squared statistical...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Medicinal plant; Stonebreaker; Cell division; Cellular aberrations; Allium cepa.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000301131