Hammam, M., El-Shouny, F., El-Sayed, S., Ali, A. (2017). EVALUATION OF THREE ESSENTIAL OILS ACTIVITIES AS ANTIMICROBIAL AND INSECTICIDAL AGENTS. Menoufia Journal of Agricultural Biotechnology, 2(4), 53-62. doi: 10.21608/mjab.2017.176344
M. A. Hammam; F. M. El-Shouny; S. M. El-Sayed; A. M. M. Ali. "EVALUATION OF THREE ESSENTIAL OILS ACTIVITIES AS ANTIMICROBIAL AND INSECTICIDAL AGENTS". Menoufia Journal of Agricultural Biotechnology, 2, 4, 2017, 53-62. doi: 10.21608/mjab.2017.176344
Hammam, M., El-Shouny, F., El-Sayed, S., Ali, A. (2017). 'EVALUATION OF THREE ESSENTIAL OILS ACTIVITIES AS ANTIMICROBIAL AND INSECTICIDAL AGENTS', Menoufia Journal of Agricultural Biotechnology, 2(4), pp. 53-62. doi: 10.21608/mjab.2017.176344
Hammam, M., El-Shouny, F., El-Sayed, S., Ali, A. EVALUATION OF THREE ESSENTIAL OILS ACTIVITIES AS ANTIMICROBIAL AND INSECTICIDAL AGENTS. Menoufia Journal of Agricultural Biotechnology, 2017; 2(4): 53-62. doi: 10.21608/mjab.2017.176344
EVALUATION OF THREE ESSENTIAL OILS ACTIVITIES AS ANTIMICROBIAL AND INSECTICIDAL AGENTS
Biochemistry Department, Faculty of Agriculture, Menoufia University, Shibin El-Kom, Egypt.
Abstract
The present work aimed to study the physicochemical properties, chemical composition antimicrobial and insecticied of three essential oils, namely cedar wood (Guniperus virginiana) belonging to famly (Pinaceae), rose wood (Aniba rosaeaodora) belonging to family (Rosaceae) and sandal wood (Santalum album) belonging to family (Santalaceae). These plants are considered to be medicinal and aromatic plants which are well grown in the Egyptian newly reclaimed lands. Evaluation of the oils activity as antimicrobial was done against Gram-positive and Gram-negative bacteria, fungi, yeast and larval fourth cotton leaf worm (Spodoptera littoralis). Our results showed that Cedar wood oil was distinguished by highest dextro rotation mean (+43o) while the specific gravity of sandal wood oil was higher than cedar wood oil and rose wood oil. The highest acid value recorded was cedar wood essential oil (2.45). The identified components in cedar wood essential oil were 20. The major compound was Thugopsene (27.5%), also the identified components in rose wood essential oil were 14. The major component was (Linalol 68.174%). As for the identified components in sandal wood essential oil, they were 13. The major component was α-Santalol (50.3%). Increasing the concentration of essential oils to 100% at least doubled the inhibition zone for most studied bacteria, except Escherichia coli. Also increasing the concentration of essential oils from (10:50%) increases the mortality of larvae , the death of the virgin and the proportion of altezr.
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