A Novel Variable Selection Method Based on Ordered Predictors Selection and Successive Projections Algorithm for Predicting Gastrodin Content in Fresh Gastrodia elata Using Fourier Transform Near-Infrared Spectroscopy and Chemometrics
文献类型： 外文期刊
作者： Wang, Zhenjie 1 ; Zuo, Changzhou 1 ; Chen, Min 1 ; Song, Jin 2 ; Tu, Kang 1 ; Lan, Weijie 1 ; Li, Chunyang 3 ; Pan, Leiqing 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Food Sci & Technol, 1 Weigang Rd, Nanjing 210095, Peoples R China
2.Nanjing Agr Univ, Coll Artificial Intelligence, 40 Dianjiangtai Rd, Nanjing 210095, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Agroprod Proc, 50 Zhongling Rd, Nanjing 210014, Peoples R China
关键词： Gastrodia elata; gastrodin; near-infrared spectroscopy (NIRS); partial least squares (PLS); multiple linear regression (MLR)
期刊名称：FOODS （ 影响因子：5.2； 五年影响因子：5.5 ）
ISSN：
年卷期： 2023 年 12 卷 24 期
页码：
收录情况： SCI
摘要： Gastrodin is one of the most important biologically active components of Gastrodia elata, which has many health benefits as a dietary and health food supplement. However, gastrodin measurement traditionally relies on laboratory and sophisticated instruments. This research was aimed at developing a rapid and non-destructive method based on Fourier transform near infrared (FT-NIR) to predict gastrodin content in fresh Gastrodia elata. Auto-ordered predictors selection (autoOPS) and successive projections algorithm (SPA) were applied to select the most informative variables related to gastrodin content. Based on that, partial least squares regression (PLSR) and multiple linear regression (MLR) models were compared. The autoOPS-SPA-MLR model showed the best prediction performances, with the determination coefficient of prediction (R-p(2)), ratio performance deviation (RPD) and range error ratio (RER) values of 0.9712, 5.83 and 27.65, respectively. Consequently, these results indicated that FT-NIRS technique combined with chemometrics could be an efficient tool to rapidly quantify gastrodin in Gastrodia elata and thus facilitate quality control of Gastrodia elata.
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