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ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (1): 87-90.

• 研究报告 • Previous Articles     Next Articles

Changes of Volatile Compounds in ‘Muscat Hambourg’for Various TrellisSystems during Maturity

Zhao Xinjie;Sun Yuxia;Liu Bo;Wang Xiao;Shu Huairui   

  1. (1College of Horticulture, Shandong Agricultural University, Tai'an 271018; 2 Shandong Vine and Wine making Institute, Ji'nan 250100; 3Analysis Center, Shandong Academy of Science, Ji'nan 250014)
  • Received:2004-01-16 Revised:2004-04-01 Online:2005-02-25 Published:2005-02-25

Abstract: Using seven-year ‘Muscat Hambourg’ cultivated with pergola and vertical trellis systems,changes of relative contents of volatile compounds in maturity were examined with gas chromatography-mass spectrometry (GC /MS). Results indicated the relative content of esters had increased sharply, but that of ketones and aldehydes had decreased. The general relative content of terpenes tended to drop alongwith the delayed p icking stage. The content ratio of terpenes varied from p icking time. Potential terpene ratio for earlier
maturation was remarkably higher than that of free terpene, but nearly the same later. The relative content of esters in grapeswith vertical trellis system was higher than that of pergola system during latermaturation, while the relative content of ketones, aldehydes and terpenes lower. There was a higher relative content of Eucalyptol and Beta-Myrcene in grapes with pergola system than that of vertical trellis system. Eucalyp tolmainly existed in the form of potential terpene and Beta-myrcene in free terpene.

Key words: Grape, Pergola /vertical trellis system, Maturity, Volatile compounds

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