Effect of sampling conditions on the odour-active compounds of iberian ham

被引:4
作者
Carrapiso, A. I.
Garcia, C.
机构
[1] Univ Extremadura, Tecnol Alimentos Escuela Ingenierias Agrarias, E-06071 Badajoz, Spain
[2] Univ Extremadura, Fac Vet, E-06071 Badajoz, Spain
来源
CIENCIA Y TECNOLOGIA ALIMENTARIA | 2007年 / 5卷 / 04期
关键词
Iberian ham; odour-active; volatile compounds;
D O I
10.1080/11358120709487703
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
The aim of this work was to study the effect of the sampling conditions on the most odour-active compounds of Iberian ham. Compounds were identified by using an olfatometry technique, and the detection frequency method was used to measure odour relative intensities. When compared the detection frequency after the mild (50 degrees C for 5 min preheating and 25 min purge) and drastic (90 degrees C for I min preheating and 9 min purge) extraction conditions, no effect was found on some compounds, but on others the drastic conditions caused an increase (hydrogen sulfide, 2-acetyl-1-pyrroline, acetaldehyde, 2,3-butanedione, 2-pentanone, hexanal/(Z)-3-hexenal, ethyl-2-methylpropanoate, ethyl-2-methylbutanoate/(E)-2-hexenal, (E)-2-heptenal) or a decrease (coelution of methional and furfurylthiol) in the detection frequency scores.
引用
收藏
页码:287 / 292
页数:6
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