‘新红星’和‘长富2号’果实贮藏期间香气成分的变化

doi:10.7506/spkx1002-6630-201610027

摘要/Abstract

摘要：

采用顶空固相微萃取技术和气相色谱-质谱联用研究‘新红星’和‘长富2号’苹果果实不同贮藏期间香气成分的组成及含量变化。结果表明：‘新红星’和‘长富2号’成熟果实中分别检测出50、49 种挥发性成分，共有的香气成分38 种，其中30 种为酯类物质，乙酸酯类物质相对含量分别占香气物质总量的70.81%和52.60%，对成熟期苹果果实香气的形成发挥重要作用。常温（15～25 ℃）贮藏过程中，‘新红星’和‘长富2号’果实中酯类物质含量呈先升后降的趋势，贮藏20 d时达到最高值，分别占2 个品种香气物质总量的97.94%和95.83%。贮藏期间乙酯类物质相对含量明显增加，其中丁酸乙酯、2-甲基丁酸乙酯、丙酸乙酯、乙酸乙酯、己酸乙酯等上升幅度较大，对‘新红星’和‘长富2号’苹果贮藏期间特有香气的形成起重要作用。

关键词: 苹果, 贮藏, 香气成分

Abstract:

In this study, the changes in aroma components of the two apple cultivars, ‘Starkrimon’ and ‘Nagafu No. 2’,
during storage were analyzed by using head-space solid phase microextraction (HS-SPME) and gas chromatographmass
spectrometry (GC-MS). A total of 50 and 49 aroma components were determined in ‘Starkrimon’ and ‘Nagafu
No. 2’, respectively. Among the identified compounds, 38 were common to both cultivars including 30 esters with acetate
esters accounting for 70.81% and 52.60% of the total amount of aroma compounds, respectively. The contents of esters
were increased firstly and decreased afterwards in the fruits of ‘Starkrimon’ and ‘Nagafu No. 2’ during storage at ambient
temperature (15?25 ℃), reaching the highest level on the 20th day, which were 97.94% and 95.83%, respectively. Our
analysis also revealed that the total amount of ethyl esters, such as 2-methyl-1-butyl acetate, butyl acetate, hexyl acetate,
hexyl 2-methylbutanoate and butyl hexanoate, was significantly increased during storage. Therefore, ethyl esters were more
important for the formation of the inherent characteristics aroma of two apple cultivars.

Key words: apple, storage, aroma components

中图分类号:

S661

刘玉莲，靳兰，毛娟，陈佰鸿. ‘新红星’和‘长富2号’果实贮藏期间香气成分的变化[J]. 食品科学, doi: 10.7506/spkx1002-6630-201610027.

LIU Yulian, JIN Lan, MAO Juan, CHEN Baihong. Changes in Aroma Components of ‘Starkrimon’ and ‘Nagafu No. 2’ Fruits during Storage[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201610027.

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‘新红星’和‘长富2号’果实贮藏期间香气成分的变化

Changes in Aroma Components of ‘Starkrimon’ and ‘Nagafu No. 2’ Fruits during Storage

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