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Molecules 2016, 21(8), 1024; doi:10.3390/molecules21081024

Variations in Essential Oil Yield, Composition, and Antioxidant Activity of Different Plant Organs from Blumea balsamifera (L.) DC. at Different Growth Times

1,†
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1
Environment and Plant Protection College, Hainan University, Haikou 570288, Hainan, China
2
Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou 571737, Hainan, China
3
Hainan Provincial Engineering Research Center for Blumea balsamifera, Danzhou 571737, Hainan, China
4
School of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
These authors contribute equally to this work.
*
Authors to whom correspondence should be addressed.
Academic Editor: Thomas Efferth
Received: 14 June 2016 / Revised: 28 July 2016 / Accepted: 1 August 2016 / Published: 5 August 2016
(This article belongs to the Collection Herbal Medicine Research)
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Abstract

Blumea balsamifera, also named Ainaxiang, is widely used as an ancient medicinal herb in tropical and subtropical Asia. It is rich in essential oils. In this work the essential oils of B. balsamifera from different plant organs and in different months were extracted, and then analyzed by gas chromatography-mass spectrometry. The results showed that essential oil yield of young leaves was the highest (0.65 mL/100 g), followed by mature leaves (0.57 mL/100 g), and the oil yield was higher in October (0.47 mL/100 g) than other months. A total of 44 compounds were identified, representing 92.64%–96.71% of the oil. Eighteen common chemical components were found among the six plant organs, representing >80% of the oil constituents. l-borneol was the main ingredient in leaves, and its content was the highest in senescent leaves and in December. In the essential oils of young shoots and young stems, the main component was dimethoxydurene. Antioxidant activity was also determined using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) and β-carotene bleaching (BCB) assays. The results indicated that the β-carotene bleaching activity was far stronger than the DPPH radical-scavenging capacity, and the young leaves and young shoots showed stronger antioxidant activity. Dimethoxydurene, β-caryophyllene, and α-caryophyllene play a positive role in good antioxidant activity, while β-eudesmol, phytol, and tetradecanal play a negative role. The antioxidant activity revealed in this study might help in developing this promising bioresource for use in the medicinal and cosmetic industries. View Full-Text
Keywords: Blumea balsamifera; essential oil yield; chemical composition; antioxidant activity Blumea balsamifera; essential oil yield; chemical composition; antioxidant activity
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Yuan, Y.; Huang, M.; Pang, Y.-X.; Yu, F.-L.; Chen, C.; Liu, L.-W.; Chen, Z.-X.; Zhang, Y.-B.; Chen, X.-L.; Hu, X. Variations in Essential Oil Yield, Composition, and Antioxidant Activity of Different Plant Organs from Blumea balsamifera (L.) DC. at Different Growth Times. Molecules 2016, 21, 1024.

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