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| 国产与进口鱼油品质分析比较 |
| Analysis and comparison of quality of domestic and imported fish oil |
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| DOI： |
| 中文关键词: 粗鱼油 感官指标 理化指标 不良物质 脂肪酸组成 |
| 英文关键词:crude fish oil sensory index physicochemical index undesirable substance fatty acid composition |
| 基金项目: |
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| 中文摘要: |
| 以国产及进口鱼油为研究对象，分别对其感官指标、理化指标、不良物质含量及脂肪酸组成进行分析比较。结果表明：国产鱼油鱼腥味明显重于进口鱼油，且分层明显；国产鱼油在酸值和过氧化值指标上也普遍高于进口鱼油，不良物质含量也高于进口鱼油，尤其在苯并芘及二噁英等指标上；脂肪酸组成中，国产鳀鱼油DHA含量大于EPA，而进口鳀鱼油EPA含量大于DHA，且国产鱼油多不饱和脂肪酸含量低于进口鱼油；国产金枪鱼油与进口金枪鱼油在理化指标和脂肪酸组成等方面差异不大。国产鱼油中，杂鱼油与金枪鱼油、鳀鱼油在感官指标、理化指标及不良物质含量方面差异不大，但在脂肪酸组成上差异显著，杂鱼油饱和脂肪酸含量明显高于其他两种鱼油，利用价值最低。 |
| 英文摘要: |
| The sensory indexes, physicochemical indexes, undesirable substances content and fatty acid composition of domestic and imported fish oil were respectively detected and compared. The results showed that the smell of domestic fish oil was significantly heavier than that of imported fish oil and domestic oil appeared obvious stratification. The acid value and peroxide value of domestic fish oil were generally higher than those of imported fish oil, also the undesirable substances contents were higher than those of imported oil, especially in dioxin and benzpyrene. The content of DHA in domestic anchovy oil was higher than EPA, while the content of EPA in imported anchovy oil was higher than DHA, and the polyunsaturated fatty acid content of domestic fish oil was lower than that of imported fish oil. Domestic and imported tuna oils had no significant difference in physicochemical indexes and fatty acid composition. There were no significant differences between domestic mixed fish oil and anchovy oil/tuna oil on sensory indexes, physicochemical indexes and undesirable substances content, but the difference was significant in fatty acid composition. The saturated fatty acid content in mixed fish oil was significantly higher than that in the other two domestic fish oils, so the use value of mixed fish oil was the lowest. |
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