Development of Commercially Viable Method of Conjugated Linoleic Acid Synthesis Using Linoleic Acid Fraction Obtained from Pork By-products.

Q2 Agricultural and Biological Sciences Korean Journal for Food Science of Animal Resources Pub Date : 2018-09-01 Epub Date: 2018-09-30 DOI:10.5851/kosfa.2018.e6

Sung Yeoul Yoon, Da Young Lee, On You Kim, Seung Yun Lee, Sun Jin Hur

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引用次数: 5

Abstract

The purpose of this study was to develop a commercially viable method for synthesis of conjugated linoleic acid (CLA) using the linoleic acid fraction obtained from six pork by-products (liver, lung, heart, stomach, small intestine, and large intestine). The workflow of CLA synthesis from each by-product was as follows: washing→crude fat extraction→fractionation into saturated and unsaturated fatty acids→repeat unsaturated fatty acid fractionation→CLA synthesis. Cis-9, trans-11, and trans-10, cis-12 CLA was synthesized from pork by-products. The yield of CLA synthesis of pork by-products ranged from 1.55 to 11.18 g per 100 g of by-products. The amount of synthesized CLA was the highest in the small intestine and large intestine by-products. Fractionation of pork by-products nearly doubled the yield of CLA. We suggest that commercial fractionation methods could increase the yield of CLA at low cost, reduce waste, and improve the efficiency of by-product utilization.

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利用猪肉副产品亚油酸馏分合成共轭亚油酸的可行性研究。

本研究的目的是开发一种商业上可行的方法，利用从六种猪肉副产品(肝、肺、心、胃、小肠和大肠)中获得的亚油酸部分合成共轭亚油酸(CLA)。各副产物合成CLA的流程为:洗涤→粗脂肪提取→饱和脂肪酸和不饱和脂肪酸分馏→重复不饱和脂肪酸分馏→CLA合成。以猪肉副产品为原料合成顺式-9、反式-11和反式-10、顺式-12。每100 g副产物合成CLA的产率为1.55 ~ 11.18 g。合成CLA的量以小肠和大肠副产物最高。猪肉副产品的分馏使CLA的产量几乎增加了一倍。研究结果表明，采用商业分馏方法可以低成本提高CLA收率，减少废弃物，提高副产物的利用效率。

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