Rapid Quantitative Analysis of Astaxanthin Isomers in Antarctic Krill Meal by Combining Computer Vision with Convolutional Neural Network
文献类型： 外文期刊
作者： Zhang, Quantong 1 ; Zheng, Yao 1 ; Yang, Liu 1 ; Zhang, Shuaishuai 1 ; Guo, Quanyou 1 ;
作者机构： 1.Minist Agr & Rural Affairs, Key Lab Ocean & Polar Fisheries, Shanghai 200090, Peoples R China
2.Chinese Acad Fishery Sci, East China Sea Fisheries Res Inst, Shanghai 200090, Peoples R China
3.Laoshan Lab, Qingdao 266200, Shandong, Peoples R China
4.Shanghai Ocean Univ, Coll Food Sci & Technol, Shanghai 201306, Peoples R China
关键词： Antarctic krill meal; Astaxanthin; Geometric isomers; Computer vision; Convolutional neural networks
期刊名称：JOURNAL OF NONDESTRUCTIVE EVALUATION （ 影响因子：2.4； 五年影响因子：2.8 ）
ISSN： 0195-9298
年卷期： 2025 年 44 卷 4 期
页码：
收录情况： SCI
摘要： In this study, computer vision and deep learning was combined to develop a rapid method for quantifying the astaxanthin isomer content in krill meal. A total of 310 Antarctic krill meal samples were collected and their astaxanthin isomer content was determined as observed values using high-performance liquid chromatography. A computer vision system was then used to acquire images of the krill meal samples, which were subsequently preprocessed and fed into a Convolutional Neural Network (CNN) to establish a predictive model; its performance was compared with that of a feature-based artificial neural networks model. The results showed that the 13-cistrine (13-Cis) astaxanthin, all-trans astaxanthin, and 9-cistrine (9-Cis) astaxanthin content were distributed in the range of 0-2.05 mg/kg, 0.09-62.97 mg/kg, and 0-7.58 mg/kg, respectively. For the test set, CNN achieved an R2 of 0.96 in predicting all-trans astaxanthin and an R2 of 0.88 for 9-Cis astaxanthin. In out-of-sample validation, the CNN achieved mean relative errors of 5.20% and 11.35% for all-trans and 9-Cis astaxanthin, respectively. In conclusion, computer vision combined with CNN offers an efficient, precise, and non-destructive technique for quantitatively analysing astaxanthin isomers in krill meal.
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