近红外光谱技术快速鉴别山药硫熏情况模型的建立
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摘要
目的采用近红外光谱技术(NIRS)建立山药是否硫熏的定性分析模型。方法采集不同硫熏程度山药的NIRS图,采用Discriminant analysis进行相似性判别。通过Constant预处理后建立模型,并进行模型内验证和模型外验证。结果4 000~10 000 cm~(-1)山药硫熏情况能够较好地区分,内部验证的准确率达100%,外部验证准确率达到93. 33%。结论采用近红外光谱技术对山药硫熏情况的鉴定是可行的。
Objective To establish the qualitative analysis model for sulfur fumigation in Dioscoreaop posita Thunb. using near infrared spectroscopy,so as to establish a rapid method to identify that whether or not the yam was smoked. Methods After collecting the near-infrared spectra of different sulfur fumigating yam. The method of constant was used as pretreatment and discriminant analysis method was used to establish identification models. The model validation and external validation were made,and a sulphur fumigated yam analysis model was established using near-infrared spectroscopy technology. Results In wavelength range of 4 000 ~ 10 000 cm~(-1),sulphur fumigated yam was able to be distinguished. The accuracy rate of internal validation was 100%and the accuracy rate of external validation was 93. 33%. Conclusion It was feasible to identify sulphur fumigated yam samples by near infrared spectroscopy technique.
Objective To establish the qualitative analysis model for sulfur fumigation in Dioscoreaop posita Thunb. using near infrared spectroscopy,so as to establish a rapid method to identify that whether or not the yam was smoked. Methods After collecting the near-infrared spectra of different sulfur fumigating yam. The method of constant was used as pretreatment and discriminant analysis method was used to establish identification models. The model validation and external validation were made,and a sulphur fumigated yam analysis model was established using near-infrared spectroscopy technology. Results In wavelength range of 4 000 ~ 10 000 cm~(-1),sulphur fumigated yam was able to be distinguished. The accuracy rate of internal validation was 100%and the accuracy rate of external validation was 93. 33%. Conclusion It was feasible to identify sulphur fumigated yam samples by near infrared spectroscopy technique.
引文
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[2]王学成,伍振峰,万娜,等.臭氧与硫熏处理后当归品质变化情况的比较[J].中国实验方剂学杂志,2018,24(3):36.
[3]丁喜炎,季琳,程雪,等.不同硫熏替代技术的黄芪药材对小鼠免疫功能影响研究[J].中国中药杂志,2016,41(15):2819.
[4]郁红礼,张倩,金羊平,等.硫熏和直接热风加热的粉葛中葛根素含量及药效的比较研究[J].中国中药杂志,2016,41(14):2571.
[5]席啸虎,王世伟,仝立国,等.山药产地初加工及炮制工艺研究[J].时珍国医国药,2017,28(3):613.
[6]张国强.山药的研究进展及临床应用[J].医药前沿,2014,19:351.
[7]闫珂巍,王福,梅国荣,等.基于近红外光谱技术快速定性鉴别广陈皮模型的建立[J].中草药,2015,46(20):3096.
[8]何娟,赵艳茹,何勇,等.近红外光谱结合偏最小二乘判别对硫熏浙贝母的无损鉴别[J].光谱学与光谱分析,2017,37(10):3070.
[9]王永香,郑伟然,米慧娟,等.热毒宁注射液青蒿金银花浓缩过程近红外快速定量检测方法的建立[J].中草药,2017,48(1):102.
[10]杨华生,吴维刚,谭丽霞,等.麦芽炒制过程中近红外在线监测模型的建立及“炒香”终点判断研究[J].中国中药杂志,2017,42(3):478.
[11]白钢,丁国钰,侯媛媛,等.引进近红外技术用于中药材品质的快速评价[J].中国中药杂志,2016,41(19):3501.
[12]董琼,赵雪梅,赵蕾,等.酸蒸馏—碘滴定法测定金银花中二氧化硫残留量[J].现代中药研究与实践,2014,28(5):58.
[13]明鹤,杨太新,杜艳华. HPLC分析不同施肥山药中尿囊素及薯蓣皂苷元含量[J].中药材,2014,37(4):558.
[14]张义生,张南方,周才新,等.彭银亭炮制山药工艺二氧化硫残留量比较分析[J].中国医院药学杂志,2013,33(17):1455.
[15]吕锋.山药炮制与微量元素的关系探讨[J].中药材,1991,14(9):31.
[16]郑玉忠,张振霞,谢丽玲,等.硫熏和浸润对山药总灰分的影响极其机制探析[J].中国药师,2015,18(1):69.