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KMID : 0604520080340040325
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Journal of the Society of Cosmetic Scientists of Korea
2008 Volume.34 No. 4 p.325 ~ p.331
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Antimicrobial Plant Extracts as an Alternative of Chemical Preservative: Preservative Efficacy of Terminalia chebula, Rhus japonica (gallut) and Cinnmomum cassia Extract in the Cosmetic Formular
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Bae Joon-Tae
Pyo Hyeong-Bae
Lee Geun-Soo
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Abstract
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This study was carried to investigate the efficiency of antimicrobial plant extracts as natural preservative in the cosmetic formulations. Ethanol extracts of different plants were tested using the disc diffusion (paper disc) method and the minimum inhibitory concentration (MIC) method for their antimicrobial activity against the common poultry pathogens. Terminalia chebula and Rhus japonica (gallut) extracts exhibited antibacterial activity against Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli. Cinnmomum cassia extract exhibited antifungal activity against Candida albicans and Aspergillus niger while the remaining plant extracts showed no activity. A study of the preservative efficacy of the cosmetic formular containing the T. chebula, R. japonica and C. cassia extracts demonstrated sufficient preservative efficacy against bacteria and eukaryotic test microbes. Also, the cosmetic formulations containing antimicrobial plant extracts more effectively inhibited the microoranisms than the mixture of traditional chemical preservatives. These results suggest that the mixture of antimicrobial plant extracts, T. chebula, R. japonica and C. cassia is incorporated as preservative in the cosmetic formulation and the mixture have considerable effect on its efficacy.
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KEYWORD
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antimicrobial plant extracts, antimicrobial activity, preservative efficacy, chemical preservatives, cosmetic
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