|Table of Contents|

Effects of Leaf Removal on 3-Isobutyl-2-Methoxypyrazine  Accumulation in ‘Cabernet Sauvignon’ Grape(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年11
Page:
23-28
Research Field:
Publishing date:

Info

Title:
Effects of Leaf Removal on 3-Isobutyl-2-Methoxypyrazine  Accumulation in ‘Cabernet Sauvignon’ Grape
Author(s):
LYU Jiaheng1; 2; 3; GUAN Xueqiang2; 3; SUN Yuxia2; 3; WANG Shiping2; 3; WANG Hengzhen2; 3
(1.College of Food Science and Engineering，Shandong Agricultural University，Tai′an，Shandong 271018;2.Key Laboratory of Agro-products Processing Technology of Shandong，Jinan，Shandong 250100;3.Institute of Agro-food Science and Technology，Shandong Academy of Agricultural Science，Jinan，Shandong 250100)
Keywords:
leaf removal; ‘Cabernet Sauvignon’ grape; IBMP; HS-SPME
PACS:
-
DOI:
10.11937/bfyy.201711005
Abstract:
Five-year-old ‘Cabernet Sauvignon’ grapes were selected as experimental materials.All around berry leaves were removed in early flowering and veraison period respectively.Headspace solid phase microextraction (HS-SPME) with stable isotope dilution gas chromatography/mass spectrometry (GC-MS) method for IBMP quantification in grapes was very efficient.The objective was to changing the light intensity to reduce IBMP concentration in grapes leaf removal.Determined the best time of leaf removal which could effectively reduce IBMP content in ‘Cabernet Sauvignon’ grape from Yantai.The results showed that，the limit of detection (LOD) and limit of quantitation (LOQ) were very low in model juice and samples.Leaf removal in preflowering (LR-pre) had significant effect on the accumulation of IBMP during the growth of ‘Cabernet Sauvignon’ grapes，while the leaf removal in veraison (LR-v) had no effect on concentration in harvest.The method of quantitative analysis of IBMP had low detection line and high recovery rate.Earlier leaf removal treatment could reduce the accumulation of IBMP in grape fruit more effectively in preflowering，thus reduce the ‘green pepper’ odor in ‘Cabernet Sauvignon’ wine.

References:

 

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Last Update: 2017-06-12