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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Comparative Aroma Extract Dilution Analysis (cAEDA) of Fat from Tainted Boars, Castrated Male Pigs, and Female Pigs
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Comparative Aroma Extract Dilution Analysis (cAEDA) of Fat from Tainted Boars, Castrated Male Pigs, and Female Pigs

机译：来自受污染的猪，阉割的男性猪和雌性猪的比较香气提取物稀释分析（CAEDA）

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摘要

The aroma profile of porcine fat from tainted boars, female pigs, and castrated male pigs was investigated by application of comparative aroma extract dilution analysis (cAEDA) on a SAFE distillate of volatiles prepared from porcine back fat samples. The AEDA resulted in a total of 16 aroma active compounds for boar fat with flavor dilution (FD) factors ranging from 2 to 2048, whereas 12 aroma active compounds were found in fat of female pigs and 14 in fat of castrated male pigs, both with FD factors ranging from 2 to 32. Odor activity values (OAVs) of key components for each fat were identified: In boar fat androstenone, skatole, indole, and 2-aminoacetophenone showed highest OAVs, whereas 2,5-dimethylpyrazine, 2,4-decadienal, and (5-decalactone showed highest OAVs in fat of female pigs. Fat of castrated male pigs showed highest OAVs for skatole, indole, 1-octen-3-ol and methional. Finally, the off-flavor attributes of boar fat were successfully simulated by a recombinant of all odorants at their natural concentration level in deodorized sunflower oil.
机译：通过在由猪背脂肪样品中制备的挥发物安全馏分的安全馏分中，研究了来自受污染的公猪，雌性猪和阉割的雄性猪的猪脂肪的香气谱。的AEDA导致总共的公猪脂肪与范围为2至2048的风味稀释（FD）因子16香气活性化合物，而在雌性猪的脂肪和14在阉割的雄性猪的脂肪中发现12香气活性化合物，均与从2到32的FD因子鉴定了每种脂肪的关键组分的气味活性值（OAV）：在野猪脂肪和rostenone，skatole，吲哚和2-氨基酮酮显示出最高的奥拉酮，而2,5-二甲基吡嗪，2,4 -decadienal和（5-甲旁甲酯在雌性猪的脂肪中显示出最高的奥拉瓦。阉割的雄性猪的脂肪显示出Skatole，吲哚，1-octen-3-ol和methional的最高Oav。最后，野猪脂肪的味道属性通过在除臭葵花籽油中的天然浓度水平的所有气味的重组成功模拟。

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