Research Progress on the Vibrational Spectroscopy Technology in the Quality Detection of Fish Oil
MA Hu-yishan1, 2, PAN Nan2, LIN Zhen-yu3, CHEN Xiao-ting2, WU Jing-na4, ZHANG Fang1*, LIU Zhi-yu2*
1. College of Biological Sciences and Engineering, Fuzhou University, Fuzhou 350108, China
2. National Research and Development Center for Marine Fish Processing(Xiamen), Fisheries Research Institute of Fujian, Xiamen 361013, China
3. MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, China
4. Xiamen Key Laboratory of Marine Medicinal Natural Products Resources, Xiamen Medical College, Xiamen 361023, China
Abstract：Fish oil is rich in ω-3 polyunsaturated fatty acids, such as Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA), which positively prevent and treat cardiovascular diseases. Its efficacy is directly related to its quality. With the increasing demand for the quality and safety of fish oil from consumers, the development and application of rapid detection technology are of great significance for monitoring the production process of fish oil and ensuring the quality of the products. Spectra are closely related to the composition and content of substances. By analyzing the spectral characteristics of the substance, information that reflects its molecular structure can be obtained, thereby achieving qualitative and quantitative analysis of the compound. Compared to traditional chemical detection methods, spectral technology offers the advantages of high efficiency, non-destructiveness, minimal pre-treatment, and environmental friendliness, making them promising in the field of fish oil quality detection. In this paper, near-infrared (NIR), mid-infrared (MIR) and Raman spectroscopy (RS) techniques and their application principles in fish oil quality detection were described; the conventional procedures for establishing spectroscopic prediction models were illustrated; various chemometric methods used for pre-processing of spectral information and model calibration were demonstrated; recent research advances and application progresses of NIR, MIR and RS in the detection of nutritional components (fatty acids, phospholipids and astaxanthin, etc.), quality indicators (acid value, peroxide value, etc.) and impurity analysis of fish oil were summarized. Additionally, the application prospects and existing problems of modern spectroscopic techniques combined with chemometrics in the rapid and non-destructive quality detection of fish oil were discussed. The goal is to extend laboratory research to practical production, thereby promoting the sustainable development of the fish oil industry in China.
马湖伊杉，潘 南，林振宇，陈晓婷，吴靖娜，张 芳，刘智禹. 振动光谱技术在鱼油品质检测中的应用研究进展[J]. 光谱学与光谱分析, 2025, 45(02): 301-311.
MA Hu-yishan, PAN Nan, LIN Zhen-yu, CHEN Xiao-ting, WU Jing-na, ZHANG Fang, LIU Zhi-yu. Research Progress on the Vibrational Spectroscopy Technology in the Quality Detection of Fish Oil. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2025, 45(02): 301-311.
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