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Updated: May 10, 2025

Fruit Volatile Analysis Using an Electronic Nose
Published on: March 30, 2012
对不同温度存储的"博士朱尔斯·古约"梨 (Pyrus communis L.) 的挥发性芳香物质分析
Xiaomeng Shi1, Xinxin Zhu1, Xiaofei Xu1
1School of Horticulture, Ludong University, Yantai, China.
的气味的香气.
科学领域:
- * 食品科学 食品科学
- *植物生物化学 *植物生物化学
- * 分析化学 分析化学
背景情况:
- *梨的香气会随着成熟而加剧.
- * 储存条件 (室温[RT],低温[LT]) 影响挥发性化合物形状.
- * 了解挥发性变化是优化梨质量的关键.
研究的目的:
- * 鉴定和分析"朱尔斯·古约博士"梨在不同的储存条件下成熟期间的挥发性物质.
- * 确定RT,LT和LT-RT储存对芳香特征的影响.
- *研究梨成熟期间特定基因在生物合成中的作用.
主要方法:
- * 固态微提取 (SPME) 用于样品制备.
- *气色谱-质谱 (GC-MS) 用于挥发性化合物的识别和量化.
- *分析与脂氧酶 (lox) 途径相关的基因表达.
主要成果:
- * 挥发性物质包括酒精,化物,,酸,,和烯,其中占主导地位.
- * 含量随着水果成熟而增加,其中乙烯酸乙烯酸,乙烯酸,乙烯酸和乙烯酸是关键成分.
- *与RT相比,LT储存导致香味含量较低;LT-RT储存加速了成熟和香味的发展.
- * PcHPL1,PcADH1,PcGLIP1,PcGLIP-like,PcLOX2,PcLIP2和PcFAD2等基因的表达与变化相关.
结论:
- *储存温度显著影响"朱尔斯·古约博士"梨的挥发性特征和香味的发展.
- *路基因在芳香的生物合成中起着至关重要的作用.
- * 结果为管理梨的储存和质量提供了基础数据.
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