Effect of storage under extremely low oxygen on the volatile composition of 'Royal Gala' apples

被引：90
作者：
Both, Vanderlei [1 ]
Brackmann, Auri [1 ]
Thewes, Fabio Rodrigo [1 ]
Ferreira, Daniele de Freitas [2 ]
Wagner, Roger [2 ]
机构：
[1] Univ Fed Santa Maria, Postharvest Res Ctr, Dept Plant Sci, BR-97105900 Santa Maria, RS, Brazil
[2] Univ Fed Santa Maria, Dept Food Sci & Technol, BR-97105900 Santa Maria, RS, Brazil
来源：
FOOD CHEMISTRY | 2014年 / 156卷
关键词：
Malus domestica; Controlled atmosphere; Aroma; Volatile compounds; Ethylene; AROMA PRODUCTION; CONTROLLED-ATMOSPHERE; CA STORAGE; FRUIT; BIOSYNTHESIS; ESTER; CULTIVARS; QUALITY; 1-METHYLCYCLOPROPENE; FLUORESCENCE;
D O I：
10.1016/j.foodchem.2014.01.094
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The aim of this work was to assess the profile of volatile compounds in 'Royal Gala' apples stored under controlled atmosphere (CA), with O-2 levels ranging from 1.0 kPa to as low as 0.5 kPa during 8 months (0.5 degrees C), followed by 7 days of shelf-life at 20 degrees C. Volatile compounds were collected via solid-phase microextraction (HS-SPME) and analysed by gas chromatography. Straight and branched-chain esters exhibited a distinct pattern. The emission of straight-chain esters decreased under extremely low O-2 (0.5 kPa), while branched-chain esters were not significantly affected in such condition. 2-Methyl-butyl acetate, a significant contributor to the 'Royal Gala' aroma, was higher in intermediate O-2 concentration, suggesting that lowering the O-2 levels down to 0.7 kPa does not negatively affect the volatile composition of 'Royal Gala' apples, as compared to the standard CA (1.0 kPa O-2). The remaining volatile compounds were not strongly affected by storing fruits under extremely low O-2. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：50 / 57
页数：8
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