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Molecules 2017, 22(5), 716; doi:10.3390/molecules22050716

Volatile Composition in Two Pummelo Cultivars (Citrus grandis L. Osbeck) from Different Cultivation Regions in China

1
School of Life Science and Technology, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China
2
College of Agriculture and Biotechnology, China Agriculture University, Yuanmingyuan Xilu, Beijing 10093, China
*
Author to whom correspondence should be addressed.
Academic Editor: Derek J. McPhee
Received: 5 March 2017 / Revised: 13 April 2017 / Accepted: 25 April 2017 / Published: 29 April 2017
(This article belongs to the Section Molecular Diversity)
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Abstract

This study investigated the composition of volatile compounds in two pummelo cultivars, including ‘Shatian’ and ‘Guanxi’, cultivated in different regions of China with the aim of studying the effect of cultivar and cultivation condition on biosynthesis of volatile compounds in pummelo. Volatile compounds were extracted from pummelo juice using head-space microextraction and then analyzed using gas chromatography coupled with mass spectrometry. Results showed that a total of 49 volatile compounds was detected in the study, including 11 aldehydes, 7 alcohols, 3 ketones, 7 esters, 19 terpenes and 2 other volatiles. The ‘Guanxi’ pummelo cultivar possessed a more complex composition of volatile compounds compared with the ‘Shatian’ cultivar. Meanwhile, the volatile compounds appeared to exhibit a higher concentration in the ‘Guanxi’ cultivar samples than the ‘Shatian’ cultivar. Cluster analysis revealed that the ‘Guanxi’ cultivar samples from the different regions were grouped together, whereas the ‘Shatian’ cultivar samples were assembled. Principal component analysis showed that an obvious separation was observed between the ‘Guanxi’ and ‘Shatian’ cultivar. However, the ‘Shatian-SC15’ was significantly separated from the other ‘Shatian’ cultivar samples. These indicated that cultivar genotype was the primary factor that determined the volatile profile of the pummelo cultivar. Cultivation region might affect the biosynthesis of volatile compounds, resulting in the differentiation of the volatile composition in each pummelo cultivar. View Full-Text
Keywords: pummelo; volatile compounds; different cultivation regions; principal component analysis; cluster analysis pummelo; volatile compounds; different cultivation regions; principal component analysis; cluster analysis
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhang, M.; Li, L.; Wu, Z.; Wang, Y.; Zang, Y.; Liu, G. Volatile Composition in Two Pummelo Cultivars (Citrus grandis L. Osbeck) from Different Cultivation Regions in China. Molecules 2017, 22, 716.

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