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Journal of Desert Research ›› 2021, Vol. 41 ›› Issue (4): 247-256.DOI: 10.7522/j.issn.1000-694X.2021.00067

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Effects of nitrogen application periods on aroma components and contents of "Marselan" wine grape in the mature period

Zonghuan Ma1(), Yajuan He1, Wei Li2, Wenfang Li1, Yanlan Guo3, Cunwu Zuo1, Juan Mao1, Baihong Chen1()   

  1. 1.College of Horticulture /, Gansu Agricultural University,Lanzhou 730070,China
    2.College of Food Science and Engineering, Gansu Agricultural University,Lanzhou 730070,China
    3.Wuwei Academy of Forestry Science,Wuwei 733000,Gansu,China
  • Received:2021-01-02 Revised:2021-04-03 Online:2021-07-27 Published:2021-07-27
  • Contact: Baihong Chen

Abstract:

Head space solid-phase micro extraction (HS-SPME) and gas chromatography mass spectrometry (GC-MS) were used to analyze the aroma components of wine grape berries of Vitis vinifera L. 'Marselan' at different nitrogen application periods. A total of six different nitrogen application periods were set up in the experiment to determine the effects on the aroma components and content of the variety, namely the germination stage, new shoot vigorous growth stage, flowering stage, the first expansion stage of fruit, secondary shoot vigorous growth stage and the second expansion stage of fruit, no nitrogen fertilizer was used as the control (CK). The results showed that forty volatile components were detected at different nitrogen application periods in 'Marselan' wine grapes, with a total content of 1 789.49—3 320.29 μg·kg-1, there were eleven characteristic aroma components identified out of forty volatile components. Compared with other nitrogen application periods, S6 treatment had the highest total content of volatile substances and more types, which was beneficial to increase the content of alcohols, aldehydes and alkanes; at this time the treatment changed the distribution characteristics of fruit aroma, the flower aroma and fat paste aroma were the most rich, followed by grass aroma, the fruit aroma after the treatment of other nitrogen application period was mainly grass aroma, followed by flower aroma and fat paste aroma, and the aroma value of fruit aroma was lower.

Key words: 'Marselan' wine grape, fertilization period, aroma components, characteristic aroma

CLC Number: