太赫兹光谱技术在储粮品质检测中的应用
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摘要
近年来粮食质量与安全问题备受国民的关注,了解粮食在储藏过程中品质的变化趋势,特别是在早期阶段对其劣变状况进行快速、准确检测是当前粮食行业的重要任务之一。太赫兹光谱探测与成像技术具有快速、无损、衰减性小、无电离辐射伤害等特性,现已成为无损检测技术的研究热点,在人体安全检查、环境监测、病变诊断、农产品质量控制等诸多领域取得了阶段性进展,在储粮品质检测方面也具有良好的应用前景。本文主要对太赫兹时域光谱技术的探测原理和光学参数提取以及成像技术进行了综述,重点阐述了该技术在储粮品质鉴别与分类、储粮新陈度、储粮真菌污染以及储粮害虫检测方面的应用研究,并对太赫兹光谱技术在粮食品质快速检测中的发展趋势和应用前景进行了展望。
In recent years, the quality and safety of food grain have attracted national attention. It is one of the important tasks for grain industry to understand the changing trend of grain quality during storage, especially to detect its deterioration quickly and accurately in the early stage. Terahertz(THz) spectroscopy detection and imaging technology has become a research hotspot because of its the characteristics of fast, nondestructive, low attenuation and no ionizing radiation damage. It has made progress in many fields, such as human safety inspection, environmental monitoring, disease diagnosis, agricultural product quality detection and so on, and has a good application prospect in quality detection of stored grain. This paper reviewed the principle, parameters extraction and imaging technology of THz spectroscopy, and emphatically expounded the applications of identification and classification, freshness, fungal contamination and insects of stored grain. Finally, this paper prospected the development and application prospects of THz spectroscopy in the rapid detection of grain quality.
In recent years, the quality and safety of food grain have attracted national attention. It is one of the important tasks for grain industry to understand the changing trend of grain quality during storage, especially to detect its deterioration quickly and accurately in the early stage. Terahertz(THz) spectroscopy detection and imaging technology has become a research hotspot because of its the characteristics of fast, nondestructive, low attenuation and no ionizing radiation damage. It has made progress in many fields, such as human safety inspection, environmental monitoring, disease diagnosis, agricultural product quality detection and so on, and has a good application prospect in quality detection of stored grain. This paper reviewed the principle, parameters extraction and imaging technology of THz spectroscopy, and emphatically expounded the applications of identification and classification, freshness, fungal contamination and insects of stored grain. Finally, this paper prospected the development and application prospects of THz spectroscopy in the rapid detection of grain quality.
引文
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[2]Zhang X,Lu S,Liao Y,et al.Simultaneous determination of amino acid mixtures in cereal by using terahertz time domain spectroscopy and chemometrics[J].Chemometr Intell Lab,2017,164:8-15.
[3]褚璇.谷物霉菌的高光谱成像辨识方法和霉变玉米籽粒检测方法研究[D].北京:中国农业大学,2018.Chu X.Hyperspectral imaging identifications for cereal fungi and detection methods for moldy maize kernels[D].Beijing:China Agricultural University,2018.
[4]陈锡爱.太赫兹时域光谱及其成像检测技术研究[D].杭州:浙江大学,2012.Chen XA.Research on measurement technology based on terahertz time-domain spectroscopy and imaging[D].Hangzhou:Zhejiang University,2012.
[5]曹阳,魏雷,赵会义,等.我国绿色储粮技术现状与展望[J].粮油食品科技,2015,23(S1):11-14.Cao Y,Wei L,Zhao HY,et al.Status and prospect of technology of green grain storage in China[J].Sci Thechnol Cereal Oil Food,2015,23(S1):11-14.
[6]葛宏义,蒋玉英,马海华,等.小麦新陈度的THz快速无损检测研究[J].光散射学报,2015,27(2):191-194.GE HY,Jiang YY,Ma HH,et al.Study on rapid nondestructive evaluation of the freshness wheat using Terahertz time domain spectroscopy[J].Chin J Light Scatt,2015,27(2):191-194.
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[9]Wang KQ,Sun DW,Pu HB.Emerging non-destructive terahertz spectroscopic imaging technique:Principle and applications in the agri-food industry[J].Trends Food Sci Tech,2017,67:93-105.
[10]Lu SH,Li BQ,Zhai HL,et al.An effective approach to quantitative analysis of ternary amino acids in foxtail millet substrate based on terahertz spectroscopy[J].Food Chem,2018,246:220-227.
[11]王秀芹,张敏,颜萍.食品微生物检测技术研究进展[J].微生物学杂志,2012,32(6):77-79.Wang XQ,Zhang M,Yan P.Advanced in food microbiological determination technology[J].J Microbiol,2012,32(6):77-79.
[12]王若兰,白栋强,姚玮华.主要储备粮种在不同温度状态下储藏品质的研究[J].郑州工程学院学报,2003,24(4):5-8.Wang RL,Bai DQ,Yao WH.Storage qualities of staple grains change in different temperature[J].J Zhengzhou Grain Coll,2003,24(4):5-8.
[13]李芳,陆安祥,王纪华.拉曼光谱在粮食检测中的应用[J].食品安全质量检测学报,2016,7(11):4408-4414.Li F,Lu AX,Wang JH.Application of Raman spectroscopy in grain detection[J].J Food Saf Qual,2016,7(11):4408-4414.
[14]谢丽娟,徐文道,应义斌,等.太赫兹波谱无损检测技术研究进展[J].农业机械学报,2013,44(7):246-255.Xie LJ,Xu WD,Ying YB,et al.Advancement and trend of Terahertz spectroscopy technique for non-destructive detection[J].Trans Chin Soc Agric Mach,2013,44(7):246-255.
[15]张栋文,袁建民.太赫兹技术概述[J].国防科技,2015,36(2):12-16.Zhang DW,Yuan JM.Introduction to terahertz technology[J].Natl Def Sci Technol,2015,36(2):12-16.
[16]Xu JZ,Zhang CL,Zhang XC.Recent progress in terahertz science and technology[J].Prog Nat Sci-Mater,2002,12(10):729-736.
[17]Shin HJ,Choi SW,Ok G.Qualitative identification of food materials by complex refractive index mapping in the terahertz range[J].Food Chem,2018,245:282-288.
[18]Liu W,Liu CH,Yu JJ,et al.Discrimination of geographical origin of extra virgin olive oils using terahertz spectroscopy combined with chemometrics[J].Food Chem,2018,251:86-92.
[19]李斌,龙园,刘欢,等.太赫兹技术及其在农业领域的应用研究进展[J].农业工程学报,2018,34(2):1-9.Li B,Long Y,Liu H,et al.Research progress on Terahertz technology and its application in agriculture[J].Trans Chin Soc Agric Eng,2018,34(2):1-9.
[20]蒋玉英,葛宏义,廉飞宇,等.基于THz技术的农产品品质无损检测研究[J].光谱学与光谱分析,2014,34(8):2047-2052.Jiang YY,Ge HY,Lian FY,et al.Application of THz technology to nondestructive detection of agriculture product quality[J].Spectrosc Spect Anal,2014,34(8):2047-2052.
[21]Jansen C,Wietzke S,Peters O,et al.Terahertz imaging:Applications and perspectives[J].Appl Optics,2010,49(19):48-56.
[22]Gowen AA,O’Sullivan C,O’Donnell CP.Terahertz time domain spectroscopy and imaging:Emerging techniques for food process monitoring and quality control[J].Trends Food Sci Tech,2012,25(1):40-46.
[23]Thrane L,Jacobsen RH,Jepsen PU,et al.THz reflection spectroscopy of liquid water[J].Chem Phys Lett,1995,240(4):330-333.
[24]Wallace VP,Cole BC,Woodward RM,et al.Biomedical applications of terahertz technology[J].Proc Spie,2002,1(17):73-81.
[25]Auston DH,Cheung KP,Valdmanis JA,et al.Cherenkov radiation from femtosecond optical pulses in electro-optic media[J].Phys Rev Lett,1984,53:1555-1558.
[26]Fattinger C,Grischkowsky D.Point source terahertz optics[J].Appl Phys Lett,1988,53(16):1480-1482.
[27]Baxter JB,Guglietta GW.Terahertz spectroscopy[J].Anal Chem,2011,83(12):4342-4368.
[28]沈飞,应义斌.太赫兹光谱和成像技术在食品安全检测中的应用[J].光谱学与光谱分析,2009,29(6):1445-1449.Shen F,Ying YB.Application of Terahertz spectroscopy and imaging technology in food safety inspection[J].Spectrosc Spect Anal,2009,29(6):1445-1449.
[29]Dorney TD,Baraniuk RG,Mittleman DM.Material parameter estimation with terahertz time-domain spectroscopy[J].J Opt Soc Am A,2001,18(7):1562-1571.
[30]Liu W,Liu C,Hu X,et al.Application of terahertz spectroscopy imaging for discrimination of transgenic rice seeds with chemometrics[J].Food Chem,2016,210:415-421.
[31]Haddad J,Bousquet B,Canioni L,et al.Review in terahertz spectral analysis[J].TrAC-Trend Anal Chem,2013,44:98-105.
[32]刘欢,韩东海.基于太赫兹时域光谱技术的饼干水分定量分析[J].食品安全质量检测学报,2014,5(3):725-729.Liu H,Han DH.Quantitative detection of moisture content of biscuits by terahertz time-domain spectroscopy[J].J Food Saf Qual,2014,5(3):725-729.
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