Rapid and nondestructive determination of sesamin and sesamolin in Chinese sesames by near-infrared spectroscopy coupling with chemometric method
文献类型： 外文期刊
作者： Xia, Zhenzhen 1 ; Yi, Tian 1 ; Liu, Yan 2 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Agr Qual Stand & Testing Technol Res, Wuhan 430064, Peoples R China
2.Wuhan Polytech Univ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China
3.Wuhan Polytech Univ, Key Lab Deep Proc Major Grain & Oil, Minist Educ, Coll Food Sci & Engn, Wuhan 430023, Peoples R China
4.Wuhan Polytech Univ, Hubei Key Lab Proc & Transformat Agr Prod, Coll Food Sci & Engn, Wuhan 430023, Peoples R China
关键词： Near-infrared spectroscopy; Sesame; Sesamin; Sesamolin; Partial least squares
期刊名称：SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY （ 影响因子：4.098； 五年影响因子：3.464 ）
ISSN： 1386-1425
年卷期： 2020 年 228 卷
页码：
收录情况： SCI
摘要： Sesame was one of the most important crops in Africa and east Asia. The sesamin and sesamolin in sesames have shown various pharmacological, biological and physiologic activities. In this study, a rapid and nondestructive method for determination of sesamin and sesamolin in Chinese sesames by near-infrared spectroscopy coupled with chemometric method was proposed. The near infrared spectra of sesame samples from three different Chinese areas were collected and the partial least squares (PLS) was used to construct the quantitative models. The spectral preprocessing and variable selection methods were adopted to improve the predictability and stability of the model. Reasonable quantitative results can be obtained when the samples used for model construction and prediction were harvested in same years. For sesamin and sesamolin, the correlation coefficient (R) and root mean square error prediction (RMSEP) were 0.9754, 0.9636 and 151.2951, 39.7720, respectively. The optimized models seem less effective when they were used to predict the samples harvested in other years or countries. However, acceptable results can still be obtained. (c) 2019 Elsevier B.V. All rights reserved.
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