Chemical Compound Identification and Antioxidant Activity of Essential Oil from Myrica rubra Var. astropurea Tsen. Leaves

Journal of South China University of Technology (Natural Science Edition) ›› 2006, Vol. 34 ›› Issue (3): 49-53,81.

• Chemistry,Chemical & Energy Engineering • Previous Articles Next Articles

Chemical Compound Identification and Antioxidant Activity of Essential Oil from Myrica rubra Var. astropurea Tsen. Leaves

Zhong Rui-min¹Zhang Zhen-ming2 Wang Yu-mei²Xiao Zi-jun²Zeng Qing-xiao¹Peng Hua-gui³

1. College of Light Chemistry and Food Science, South China Univ. of Tech. , Guangzhou 510640, Guangdong, China;2. Yingdong College of Biotechnology, Shaoguan College, Shaoguan 512005, Guangdong, China;3. Dadingshan Mountain Administration of Nanling National Nature Reserve, Shaoguan, 512726, Guandong, China

Received:2005-06-09 Online:2006-03-25 Published:2006-03-25
Contact: 钟瑞敏(1967-) , 男,副教授,博士生,主要从事食品科学和天然产物利用的研究. E-mail:zhongrm9898@163. com
About author:钟瑞敏(1967-) , 男,副教授,博士生,主要从事食品科学和天然产物利用的研究.
Supported by:
国家自然科学基金资助项目(30370151)

Abstract

Abstract:

The chemical compositions of the essential oil from Myrica rubra Var. astropurea Tsen. leaveswere analyzed and identified by the GC-MS analysis and the Kovats retention index. The antioxidant activity of the essential oilwas also investigated with three different methods: the 1, 1-diphenyl-2 picrylhydrazyl (DPPH) radical scavenger, the β-carotene bleaching test and the thiobarbituric acid reactive species assay. The results show that the essential oil is constituted mainly by sesquiterpenes ( 97. 45% ) and dominated with β-caryophyllene ( 17. 67%) ,(E) -nerolidol (16. 68% ) , 5-hydroxycalamenene ( 7. 13% ) , β-selinene ( 6. 63% ) , isocaryophyllene ( 6. 46% )and α-cadinene (5. 81% ) , respectively, and that the essential oil possesses definite scavenging efficacy on radicals and significant antioxidant activity in lipid systems ( account for 60%～85% of that of butylated hydroxytoluene (BHT) ) , which may result from the large content of 5-hydroxycalamenene.

Key words: Myrica rubra Var. astropurea Tsen., essential oil, antioxidant activity, Kovats retention inde

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Chemical Compound Identification and Antioxidant Activity of Essential Oil from Myrica rubra Var. astropurea Tsen. Leaves

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