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Molecules 2011, 16(5), 4082-4096; doi:10.3390/molecules16054082

Chemical Composition, Antioxidant and Antimicrobial Activity of Pericarpium Citri Reticulatae Essential Oil

1
College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2
Sericulture & Agro-Food Processing Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510610, China
*
Authors to whom correspondence should be addressed.
Received: 21 February 2011 / Revised: 29 April 2011 / Accepted: 3 May 2011 / Published: 18 May 2011
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Abstract

The chemical composition, antioxidant and antimicrobial activity of Pericarpium Citri Reticulatae (PCR) essential oil obtained using an improved Clevenger type apparatus were studied. Among the five different PCRs examined the highest yield of essential oil was found in Chachi 2004 (harvested and stored in 2004) and the lowest in Chachi 2008 (harvested and stored in 2008). Fifty three different volatile compounds were determined, including terpenic hydrocarbons, alcohols, aldehydes, ketones and esters. D-limonene, one of terpenes, was the major constituent in PCR. The antioxidant capacity of PCR essential oil varied considerably with the duration of storage time, and the oil from Chachi 1994 has the strongest ferric-reducing antioxidant power. In addition, the essential oil possessed varying degrees of antimicrobial activity against Gram-positive bacteria (Staphylococcus aureus, Bacillus subtilis, Bacillus cereus), except Streptococcus faecalis, while had no effect on Gram-negative bacteria (Escherichia coli, Enterobacter cloacae).
Keywords: Pericarpium Citri Reticulatae; Chachi; chemical composition; antioxidant activity; antimicrobial activity Pericarpium Citri Reticulatae; Chachi; chemical composition; antioxidant activity; antimicrobial activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Gao, B.; Chen, Y.; Zhang, M.; Xu, Y.; Pan, S. Chemical Composition, Antioxidant and Antimicrobial Activity of Pericarpium Citri Reticulatae Essential Oil. Molecules 2011, 16, 4082-4096.

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