LIU Jie,GUO Jiahua,ZHAO Peng,et al.Estimation of Medicinal Composition Content of A.mongholicus Based on Multiple Linear Regression Model[J].Northern Horticulture,2024,(2):100-108.[doi:10.11937/bfyy.20232779]
基于多元线性回归模型估测蒙古黄芪药效成分含量
- Title:
- Estimation of Medicinal Composition Content of A.mongholicus Based on Multiple Linear Regression Model
- 文章编号:
- 1001-0009(2024)02-0100-09
- Keywords:
- hyperspectral; multiple linear regression model; A.mongholicus; astragaloside; calycosin-7-glucoside
- 分类号:
- S 853.75;S 567.23
- 文献标志码:
- A
- 摘要:
- 以蒙古黄芪种苗为试材,采用高光谱和多元线性回归的方法,研究了栽培和仿野生对蒙古黄芪黄芪甲苷、毛蕊异黄酮葡萄糖苷含量估测方法的影响,以期为实践中利用高光谱快速、准确估测栽培和仿野生蒙古黄芪的药效成分含量提供参考依据。结果表明:栽培和仿野生蒙古黄芪药效成分含量的原始高光谱数据所建立模型的稳定性和拟合度均是最好。估测黄芪甲苷含量模型的RMSE分别是0.004 5、0.008 5;R2分别是0.761、0.879;所建模型分别是y=0.005 4+0.001 6x1+0.000 2x2+0.000 7x3(R2=0.903)、y=-0.122 3+0.004 0x1+0.000 1x2-0.000 9x3(R2=0.904)。估测毛蕊异黄酮葡萄糖苷含量模型的RMSE分别是0.001 7、0.004 0;R2分别是0.860、0.868;所建模型分别为y=0.073 1-0.008 0x1-0.000 4x2+4×10-6x3(R2=0.891)、y=0.084 2-0.000 7x1-0.000 1x2+0.000 2x3(R2=0.883)。
- Abstract:
- Taking A.mongholicus seedlings as experimental materials,the effects of cultivated and imitating wild on the estimation methods of astragaloside and calycosin-7-glucoside content in A.mongholicus were studied by using hyperspectral and multiple linear regression methods,in order to provide reference for the rapid and accurate estimation of the medicinal composition content of cultivated and imitating wild A.mongholicus in practice.The results showed that the stability and the fitting degree of the models established by the raw hyperspectral data of medicinal composition content of cultivation and imitating wild A.mongholicus were the best.The RMSE of the models to estimate the astragaloside content were 0.004 5,0.008 5;the R2 were 0.761,0.879;the models were y=0.005 4+0.001 6x1+0.000 2x2+0.000 7x3(R2=0.903),y=-0.122 3+0.004 0x1+0.000 1x2-0.000 9x3(R2=0.904),respectively.The RMSE of the models to estimate the calycosin-7-glucoside content were 0.001 7,0.004 0;the R2 were 0.860,0.868;the models were y=0.073 1-0.008 0x1-0.000 4x2+4×10-6x3(R2=0.891),y=0.084 2-0.000 7x1-0.000 1x2+0.000 2x3(R2=0.883),respectively.
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备注/Memo
第一作者简介:刘杰(1991-),男,博士,讲师,现主要从事药用植物栽培生理及光谱遥感监测等研究工作。E-mail:70323@bttc.edu.cn.责任作者:段天凤(1993-),女,博士,讲师,现主要从事作物保护等研究工作。E-mail:70322@bttc.edu.cn.基金项目:中央引导地方科技发展资金资助项目(2020ZY0025);内蒙古自然科学基金资助项目(2020MS03071);包头师范学院自然科学类青年科研资助项目(BSYKJ2023-ZQ10)。收稿日期:2023-08-14