刘俊灵;李红光;党美乐;杨惠娟;赵政阳;

• 1:旱区作物逆境生物学国家重点实验室·西北农林科技大学园艺学院
• 2:陕西省苹果工程技术研究中心

摘要(Abstract)：

【目的】以苹果新品种‘瑞雪’及其亲本‘粉红女士’和‘富士’以及代表性栽培品种‘嘎拉’‘乔纳金’‘金冠’‘王林’等7个品种为试验材料,分析果实成熟期香气物质成分的差异,探索苹果新品种‘瑞雪’的主要香气物质成分,为新品种的推广提供理论依据。【方法】应用顶空固相微萃取和气相色谱质谱联用技术,并结合主成分分析,解析参试品种的香气成分。【结果】7个品种共检测出香气物质成分92种,其中:酯类53种、醛类12种、醇类6种、酮类4种、烯烃类9种以及其他类8种;参试品种共有的香气物质成分有:乙酸丁酯、丁酸丁酯、乙酸己酯、2-甲基丁酸-2-甲基丁酯、2-甲基丁酸己酯、己酸己酯、己醛、2-己烯醛、1,3-2甲基苯、ɑ-法尼烯等共10种;不同品种特征香气成分个数分别为‘:瑞雪’(10种)、‘金冠’(10种)、‘粉红女士’(9种)、‘嘎拉’(9种)、‘王林’(8种)、‘乔纳金’(7种)、‘富士’(6种);根据7个苹果品种中香气物质相对含量为数据源进行主成分分析将其分为三类:第一类为‘嘎拉’和‘粉红女士’,第二类为‘富士’、‘王林’和‘金冠’,第三类为‘瑞雪’和‘乔纳金’;不同苹果品种间香气成分种类和含量均存在差异,苹果香气成分可以作为苹果品种选育的评价指标之一。【结论】相较于其他品种‘,瑞雪’苹果中特征香气成分种类较多,香气物质成分中的2-甲基-丁酸己酯(15.24%)、2-己烯醛(17.65%)和ɑ-法尼烯(27.88%)相对含量较高,而2-甲基-1-丁基乙酸酯和乙酸己酯相对含量较低,这些香气物质成分可能是形成‘瑞雪’苹果独特风味的重要原因。

关键词(KeyWords)： 苹果;新品种;香气物质;顶空固相微萃取-气相色谱-质谱法(SPME-GC-MS)

Abstract:

Keywords:

基金项目(Foundation): 国家现代农业(苹果)产业技术体系建设专项(CARS-27)

作者(Author): 刘俊灵;李红光;党美乐;杨惠娟;赵政阳;

Email:

DOI: 10.13925/j.cnki.gsxb.20180374

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