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首页> 外文期刊>Journal of Food Science >Volatile Compounds Recovered by Solid-Phase Microextraction from Fresh Adductor Muscle and Total Lipids of Sea Scallop (Placopecten magellanicus) from Georges Bank (Nova Scotia)
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Volatile Compounds Recovered by Solid-Phase Microextraction from Fresh Adductor Muscle and Total Lipids of Sea Scallop (Placopecten magellanicus) from Georges Bank (Nova Scotia)

机译:通过固相微萃取从新鲜收割者的肌肉中提取的挥发性化合物和来自乔治银行(新斯科舍省)的扇贝(洋扇贝)总脂质

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摘要

The volatile compounds of the adductor muscle of the sea scallop Placopecten magellanicus were recovered by solid-phase microextraction using both polydimethylsiloxane and polydimethylsiloxane/divinylbenzene-coated fibers. Gas chromatography/mass spectrometry revealed the presence of 34 compounds, including 7 long-chain alcohols, 6 aldehydes, and 6 ketones. Two sulfur-containing volatiles were also identified. Six aldehydes, 3 alkanes, and 3 alcohols were tentatively identified from the total lipid fraction. The profiles obtained with the 2 fibers was different because of polarity and polymer differences. The fatty-acid compositions of the total lipid and of the phospholipid class were determined. Phospholipids with 95% of the total lipid are potentially a source of fatty-acid oxidation products.
机译:通过使用聚二甲基硅氧烷和聚二甲基硅氧烷/二乙烯基苯包被的纤维的固相微萃取来回收海扇贝(Placopecten magellanicus)扇贝的内收肌的挥发性化合物。气相色谱/质谱表明存在34种化合物,包括7种长链醇,6种醛和6种酮。还确定了两种含硫挥发物。从总脂质组分中初步鉴定出六个醛,三个烷烃和三个醇。由于极性和聚合物的差异,使用这两种纤维获得的轮廓不同。确定总脂质和磷脂类别的脂肪酸组成。总脂质中95%的磷脂可能是脂肪酸氧化产物的来源。

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