Evaluation of odorants contributing to 'Toyonoka' strawberry aroma in extracts using an adsorptive column and aroma dilution analysis

被引:27
|
作者
Fukuhara, K
Li, XX
Okamura, M
Nakahara, K
Hayata, Y [1 ]
机构
[1] Hiroshima Prefectural Univ, Sch Bioresources, Shobara 7270023, Japan
[2] Takata Koryo Co Ltd, Res & Dev, Amagasaki, Hyogo 6610001, Japan
[3] AOHATA Corp, Fruit Proc Res Ctr, Tadanoumi, Takehara 7292392, Japan
来源
JOURNAL OF THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE | 2005年 / 74卷 / 04期
关键词
aroma; aroma extract dilution analysis; Porapak Q column; strawberry; volatile analysis;
D O I
10.2503/jjshs.74.300
中图分类号
S6 [园艺];
学科分类号
0902 ;
摘要
The volatiles of the 'Toyonoka' strawberry were extracted by using an adsorptive column (PQ) and evaluated by gas chromatography - olfactometry (GC - O) and aroma extract dilution analysis (AEDA). Although the overall odor of the extract was perceived as having a natural strawberry like smell, 52 odorants were detected by GC-O. Upon diluting the original extracts in AEDA, we identified 14 odorants with high dilution (FD) factors of 81 or higher. The odorant, 2, 5 -dimethyl-4-hydroxy-2H-furan-3-one, which has a caramel-like odor (sweet), had the highest FD factor, followed by gamma - dodecalactone, gamma - decalactone, and delta decalactone with coconut or peach-like odors (sweet), and hexanoic acid and 2 methylbutanoic acid with sour odors; all had FD factors higher than 81. The odorants with FD factor 81 were cis 3 hexenal, trans - 3 - hexenol, and cis-2-nonenal with a green odor, trans-nerolidol with a sweaty odor, delta - dodecalactone and vanillin with a sweet odor, linalool with a floral odor accompanied by a citrus like odor, and an unknown compound with a cinnamon-like odor. In addition to these 14 odorants, the fruity odorants included mainly ethyl 2-methylbutanoate, ethyl 3 methylbutanoate, and ethyl hexanoate, which show relatively high volatility. The above identifiable compounds are considered to be the main contributors to the aroma of the 'Toyonoka' strawberry.
引用
收藏
页码:300 / 305
页数:6
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