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Rapid and nondestructive detection of oil content and fatty acids of soybean using hyperspectral imaging

文献类型： 外文期刊

作者： Li, Xue 1 ; Wang, Du 1 ; Gong, Junjun 1 ; Yu, Li 1 ; Ma, Fei 1 ; Wang, Xuefang 1 ; Zhang, Liangxiao 1 ; Li, Peiwu 1 ;

作者机构： 1.Chinese Acad Agr Sci, Key Lab Biol & Genet Improvement Oil Crops, Minist Agr & Rural Affairs, Wuhan 430062, Peoples R China

2.Chinese Acad Agr Sci, Lab Risk Assessment Oilseed Prod Wuhan, Minist Agr & Rural Affairs, Wuhan 430062, Peoples R China

3.Chinese Acad Agr Sci, Qual Inspection & Test Ctr Oilseed Prod, Minist Agr & Rural Affairs, Wuhan 430062, Peoples R China

4.Chinese Acad Agr Sci, Oil Crops Res Inst, Wuhan 430062, Peoples R China

5.Hubei Hongshan Lab, Wuhan 430070, Peoples R China

6.Nanjing Univ Finance & Econ, Coll Food Sci & Engn, Collaborat Innovat Ctr Modern Grain Circulat, Nanjing 210023, Peoples R China

7.Chinese Acad Agr Sci, Zhongyuan Res Ctr, Xinxiang 453500, Peoples R China

8.Xianghu Lab, Hangzhou 311231, Peoples R China

关键词： Soybean; Hyperspectral imaging; Oil content; Fatty acids; Near-infrared spectroscopy; Chemometrics

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.6； 五年影响因子：4.6 ）

ISSN： 0889-1575

年卷期： 2025 年 139 卷

页码：

收录情况： SCI

摘要： Soybean is an important oil crop with significant economic value worldwide, the breeding of soybean varieties requires not only high oil content, but also the appropriate ratio of fatty acids. In this study, a rapid and nondestructive detection method for oil content and fatty acids of soybean was developed using hyperspectral imaging (HSI) technology. Five wavelength selection methods, including competitive adaptive re-weighted sampling, random frogs, iteratively retaining informative variables, uninformative variable elimination, and genetic algorithm, were used to select the important variables, then partial least squares was used to build the prediction models. Among five methods, uninformative variable elimination provided with satisfactory results for the prediction of oil content and fatty acid contents of soybean. The validation results showed that oil content and linolenic acid had good performance with correlation coefficient for cross-validation (R2cv) values of 0.90 and 0.92, and correlation coefficient predictive (R2p) values of 0.93 and 0.93, respectively. The relative errors between the predicted and actual values of oil and linolenic acid content ranged from 0.05% to 5.68 % and from 0.11% to 11.87 %, respectively. In addition, oleic acid had better results with R2cv, residual predictive deviation for cross validation (RPDcv), and R2p values of 0.84, 2.45, and 0.85, respectively. Furthermore, compared the models developed using near infrared (NIR), the average relative errors of the established HSI models for oil content, oleic acid, linoleic acid and linolenic acid in soybean decreased by 48.94 %, 21.85 %, 37.98 % and 39.31 %, respectively. Therefore, HSI technology has great potential to detect oil content and major fatty acids in soybeans.

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