Essential oil from fresh and dried Rosemary cultivated in Lam Dong province, Vietnam

Rosemary essential oil has been widely used in folk medicine for treatment of anxiety, memory deficit and cancer thanks to its high antioxidant activity and antibacterial properties. Composition of rosemary essential oil largely depends on the geographical position of the cultivated plant and condit...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-07, Vol.544 (1), p.12025
Main Authors: Anh, Trieu Tuan, Thu Ngan, Lam Thi, Lam, Tri Duc
Format: Article
Language:English
Subjects:
Antioxidants
Composition
Essential oils
Oils & fats
Rosemary
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Summary:Rosemary essential oil has been widely used in folk medicine for treatment of anxiety, memory deficit and cancer thanks to its high antioxidant activity and antibacterial properties. Composition of rosemary essential oil largely depends on the geographical position of the cultivated plant and conditions of the extraction process. In this study, fresh and dried rosemary leaves were used for extraction of essential oil using hydrodistillation method. The extraction performance, composition and antioxidant activity of the essential oil were measured. The oil yield for dried leaves (1.2 ml/g) is significantly lower than that for fresh leaves (3.16 ml/g). However, the difference on chemical profile and antioxidation activity of the two oil samples was indistinguishable. The most remarkable finding was the presence of Levoverbenone at very high concentration in rosemary essential oil, accounting for 10.87% and 12.12% of the oil sample extracted from fresh and dried leaves respectively.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/544/1/012025