Action of ponceau 4r e-124 food dye on root meristematic cells of allium cepa l. Reportar como inadecuado




Action of ponceau 4r e-124 food dye on root meristematic cells of allium cepa l. - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Josefa Janaína do Anjos Sousa ; Ana Paula Peron ;Acta Scientiarum. Biological Sciences 2015, 37 1

Autor: Gleuvânia Santana Marques

Fuente: http://www.redalyc.org/


Introducción



Acta Scientiarum.
Biological Sciences ISSN: 1679-9283 eduem@uem.br Universidade Estadual de Maringá Brasil Santana Marques, Gleuvânia; do Anjos Sousa, Josefa Janaína; Peron, Ana Paula Action of Ponceau 4R (E-124) food dye on root meristematic cells of Allium cepa L. Acta Scientiarum.
Biological Sciences, vol.
37, núm.
1, enero-marzo, 2015, pp.
101-106 Universidade Estadual de Maringá .png, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=187135324012 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Acta Scientiarum http:--www.uem.br-acta ISSN printed: 1679-9283 ISSN on-line: 1807-863X Doi: 10.4025-actascibiolsci.v37i1.23119 Action of Ponceau 4R (E-124) food dye on root meristematic cells of Allium cepa L. Gleuvânia Santana Marques, Josefa Janaína do Anjos Sousa and Ana Paula Peron* Campus Senador Helvídio Nunes de Barros, Universidade Federal do Piauí, Rua Cícero Eduardo, s-n, 64600-000, Picos, Piauí, Brazil.
*Author for correspondence: E-mail: anpapegenpes@yahoo.com.br ABSTRACT.This study aimed to evaluate the toxicity of Ponceau 4R food dye on the cell cycle in root meristematic cells of Allium cepa L.
at three concentrations: 0.25, 0.50 and 0.75 g L-1, at exposure times of 24 and 48 hours.
For each concentration, we used a set of five onion bulbs that were first rooted in distilled water and then transferred to their respective concentrations.
Radicles were collected and fixed in acetic acid (3:1) for 24 hours.
The slides were mounted with the crushing technique and stained with 2% acetic orcein.
Cells were analyzed throughout the cell cycle, totaling 5,000 cells for each control and exposure time.
The calculated mitotic indices were subjected to the Chi-square test (p 0.05).
From the results, we obser...





Documentos relacionados