Investigation of cytotoxicity potential of different extracts of Ziziphus mauritiana (Lam) leaf Allium cepa model

Toxicology Reports
Tajudeen A OwolarafeAlhasan M Wudil

Abstract

Previous studies showed that Ziziphus mauritiana is ethnomedicinally beneficial against various diseases, however the cytotoxic and genotoxic effects of this plant have not been well investigated. Therefore this study was undertaken to investigate cytotoxic and genotoxic effects of four different solvents extracts of Ziziphus mauritiana (Lam) leaf at different concentrations (20, 40, 60, 80, and 100 mg/L) using Allium cepa model. The cytotoxicity and genotoxicity parameters evaluated were mitotic index, root tip growth length and chromosomal aberration respectively. The result revealed a decrease in mitotic index percentage (%MI) and a dose dependent decrease in root tip length with increase in extracts concentration for all the extracts studied - with the ethanol extract showing the most significant effect in mitotic index. Furthermore, the effective concentrations (EC50) obtained were 81.30, 52.01, 90.68 and 112.30 mg/l for aqueous, ethanol, ethyl acetate and hexane extract respectively. Finally chromosomal aberrations such as vagrant chromosome, c-mitosis, bridged anaphase, sticky telophase were also observed in all four extracts and the percentage chromosomal aberration were observed to decrease with increased concentration...Continue Reading

Methods Mentioned

BETA
chromosomal aberrations
chromosomal aberration

Software Mentioned

Excel
Graphpad Instat

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