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首页> 外文期刊>American Journal of Analytical Chemistry >Extraction of Fat and Fatty Acid Composition from Slaughterhouse Waste by Evaluating Conventional Analytical Methods
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Extraction of Fat and Fatty Acid Composition from Slaughterhouse Waste by Evaluating Conventional Analytical Methods

机译：通过评估常规分析方法从屠宰场废物中提取脂肪和脂肪酸组成

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摘要

To attain maximum recovery of useful compounds from slaughterhouse waste (Suet, Tongue, Pancreas) of selected ruminant (cow, goat, lamb, and bull), the fat extraction efficiency of popular methods was compared along with fatty acid (FAs) composition. Four selected methods including Soxhlet (SOX), acid hydrolysis, Bligh & dyer (B&D), and Folch (FOL) were assessed. After methylation, extracted lipids were analyzed by Gas chromatography for FA composition. Data indicated that all selected methods were significantly (p < 0.05) different from each other, particularly higher differences were noticed for low lipid-containing products (Tongue, Pancreas) as well as their respective FA Composition. Based on Analysis of Variance and Principal component analysis, the effective method for lipid and FA Composition analysis was the FOL method. The Soxhlet method was only effective for samples with high-fat content i.e., suet, while the B&D method gave comparatively low lipid content in analyzed samples. Hence based on the results, excellent fat and fatty acid extraction was achieved with the FOL method.
机译：为了获得所选反刍动物（牛，山羊，羊肉和公牛）的屠宰场废物（Suet，舌头，胰腺）的最大恢复有用的化合物（牛，山羊，羊肉），将流行方法的脂肪提取效率与脂肪酸（Fas）组成进行比较。四种选定的方法，包括Soxhlet（Sox），酸水解，Bligh＆amp;评估染料（B＆amp; d）和folcch（fol）。甲基化后，通过用于FA组合物的气相色谱分析提取的脂质。数据表明，所有所选方法显着（P <0.05）彼此不同，对于低含脂质的产物（舌头，胰腺）以及它们各自的FA组成，注意到差异特别较高。基于对方差和主成分分析的分析，脂质和FA成分分析的有效方法是该方法。 SOXHLET方法仅对具有高脂肪含量的样品有效，Suet，而B＆amp; D方法在分析的样品中给出了相对低的脂质含量。因此，基于结果，通过该方法实现优异的脂肪和脂肪酸提取。

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