物理法和化学法精制对酶解法沙丁鱼油品质的影响 "Effect of physical and chemical refining on the quality of sardine oil prepared by enzymatic hydrolysis"
旨在为沙丁鱼油的提取与精制工艺提供理论依据,以酶解法制备粗沙丁鱼油,采用物理法(超临界CO2萃取)与化学法对其进行精制,比较精制前后沙丁鱼油的理化指标、脂肪酸组成及挥发性成分的变化,研究不同精制方法对沙丁鱼油品质的影响。结果表明:物理法和化学法精制均可去除粗鱼油中的色素和杂质,显著降低粗鱼油的酸值和过氧化值(p<0.05),与物理法精制鱼油相比,化学法精制鱼油色泽较浅,酸值和过氧化值较低;精制后,沙丁鱼油中饱和脂肪酸相对含量降低,不饱和脂肪酸相对含量升高;沙丁鱼油中共检测出62种挥发性物质,其中醛类18种,醇类、酮类和酯类各5种,烃类25种,杂环类3种,其他类1种;物理法精制对脱除鱼油中...
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Main Author: | 魏文聪1 ,张雪冰1 ,陶宁萍1,2 WEI Wencong1, ZHANG Xuebing1, TAO Ningping1,2 |
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Format: | Article |
Language: | English |
Published: |
中粮工科(西安)国际工程有限公司
2025-01-01
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Series: | Zhongguo youzhi |
Subjects: | |
Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20250102&flag=1 |
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