Study on the Anti-oxidation and Bacteriostasis of Forsythia suspense Essential Oil
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Abstract:
The diameter of inhibition cycle of the Forsythia suspense essential oil, extracted by Supercritical carbon dioxide extraction（SCDE）technique, on various bacteria was studied. The effects of temperature and pH value on the bacteriostasis of this essential oil were also investigated. The results showed that, the inhibition cycle diameters of this essential oil on mold, yeast, G+ and G- bacteria were range from 12.5 to 26.0 mm, i.e. the essential oil had strong bacteriostatic functions on the tested bacteria. The lower the pH value, the higher the bacteriostatic of the essential oil. Heating treatment (121 ℃ for 15 minutes) had little effect on its bacteriostasis. Results also showed that the oil had anti-oxidation effect.
