基于近红外光谱技术的白酒基酒中乳酸的快速检测

郭玉姗; 刘建学; 李璇; 韩四海; 李佩艳; 徐宝成; 罗登林

doi:10.13386/j.issn1002-0306.2018.20.035

基于近红外光谱技术的白酒基酒中乳酸的快速检测

郭玉姗¹,
刘建学^1,2, ,,
李璇^1,2,
韩四海^1,2,
李佩艳^1,2,
徐宝成^1,2,
罗登林^1,2

1. 河南科技大学食品与生物工程学院, 河南洛阳 471023;
2. 河南省食品原料工程技术研究中心, 河南洛阳 471023

基金项目:

河南省自然科学基金面上项目(162300410074)

国家自然科学基金面上项目(31471658)

河南省科技攻关项目(172102310694,182102110300)

河南科技大学研究生课程建设项目(2017YKJ-002)。

详细信息

作者简介:
郭玉姗(1992-),女,硕士研究生,研究方向:食品安全评价与检测技术,E-mail:guoyushan722@163.com。

通讯作者:
刘建学(1964-),男,博士,教授,研究方向:食品品质快速检测与安全控制技术,E-mail:jx_liu@163.com。

中图分类号: TS262.3
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出版历程
- 收稿日期: 2018-03-14
- 网络出版日期: 2020-11-22
- 刊出日期: 2018-10-14

Rapid Determination of Lactic Acid in Base Liquor Based on Near Infrared Spectroscopy

1. College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, China;
2. Henan Engineering Research Center of Food Material, Luoyang 471023, China

摘要

摘要: 目的:研究现代近红外光谱技术快速检测白酒基酒中的乳酸含量。方法:采用高效液相色谱法测定基酒样品中乳酸的化学值,与近红外透射光谱相结合,建立白酒基酒中乳酸的定量检测模型。结果:最佳预处理方法为一阶导数+多元散射校正(MSC),最优波段谱为6102~5450 cm^-1。对模型进行优化和检验,得到校正集样品的化学值与预测值的决定系数(R²)为0.9771,校正标准偏差(RMSECV)为0.1825;验证集的决定系数(R²)为0.9808,预测标准偏差(RMSEP)为0.1475。结论:近红外光谱法快速有效,所建模型具有很好的预测效果,模型的精密度和稳定性良好,为白酒生产中乳酸含量的检测提供方法指导。
- 近红外光谱 /
- 白酒基酒 /
- 乳酸 /
- 偏最小二乘法
Abstract: Objective:To study the rapid determination of lactic acid content in base liquor by Modern Near Infrared Spectroscopy.Methods:High performance liquid chromatography was used to determine the chemical value of lactic acid in base liquor, which was combined with near infrared transmission spectrum, and established the quantitative detection model of lactic acid in base liquor. Results:The best spectral pretreatment method was the first derivative + multivariate scatter correction (MSC), the optimal band spectrum was 6102~5450 cm^-1. Through optimized and validated the model, the determination coefficient (R²) between the chemical value and the near infrared predicted value was 0.9771; the correction standard deviation (RMSECV) was 0.1825; the determinant coefficient of the validation set (R²) was 0.9808, the prediction standard deviation (RMSEP) was 0.1475.Conclusion:Near infrared detection method was fast and effective, the model had good prediction effect, and the precision and stability of the model was good, providing guidance for the determination of lactic acid content in liquor industry.
- Near-infrared spectroscopy /
- base liquor /
- lactic acid /
- partial least squares