Eco-Friendly Cinnamaldehyde Based Emulsion for Phytopathogenic Bacterial Growth Inhibitor

Main Article Content

Tahany G. M. Mohammed
A. F. Abd El- Rahman


The formulation plays an essential role in achieving the successful delivery and biological activity of any plant protection products. This study aimed to develop a cinnamaldehyde water-based formulation (oil-in-water emulsion) via a high-shear stirring emulsification method. Cinnamaldehyde emulsion was successfully prepared and characterized using different physicochemical parameters (emulsion stability, persistent foaming, accelerated storage at 54°C for 2 weeks, and stability at 0°Cfor one week, as well as pH, surface tension, flash point, viscosity, and particle size distribution). Also, the antibacterial activity was verified in vitro against some important phytopathogenic bacteria; Erwinia amylovora, Pectobacterium aroidearum, Pseudomonas aeruginosa, and Ralstonia solanacearum using well diffusion method. In addition, the minimum inhibition concentration (MIC) was determined by the twofold dilution method. The results revealed that the prepared formulation showed good storage stability, exhibited non-Newtonian shear-thinning behavior and promising antibacterial activity. The inhibition zones against the tested phytopathogenic bacteria were ranged from 10.3 mm to 52.0 mm. MICs of the prepared formulation were 15.63, 31.25, 62.5, and 15.63 μl/ml against Erwinia amylovora, Pectobacterium aroidearum, Pseudomonas aeruginosa and Ralstonia solanacearum, respectively. Our results provide an environmentally friendly formulation with promising activity to control the agricultural crop disease.

Cinnamaldehyde, an oil-in-water emulsion, formulation, phytopathogenic bacteria

Article Details

How to Cite
Mohammed, T. G. M., & Rahman, A. F. A. E.-. (2020). Eco-Friendly Cinnamaldehyde Based Emulsion for Phytopathogenic Bacterial Growth Inhibitor. Journal of Advances in Microbiology, 20(10), 1-12.
Original Research Article


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