CAJ | 학술논문

目的：采用AOTF近红外漫反射光谱仪，建立茯苓中水分的快速定量分析方法。方法：以空气为背景，采用漫反射方式、SNAP光谱采集软件，采集近红外光谱，光谱数据为比率模式下采集，利用偏最小二乘法（PLS）、交叉-验证法（cross-validation）及Unscrambler定量分析软件创建定量校正模型。结果：定量模型的外部验证相关系数和内部验证相关系数均能达到0.9950，通过模型外部验证，验证集相对偏差RSEP值为2.7%，验证集预测误差均方根RMSEP值为0.49，预测值和化验值的平均相对偏差为1.3%。结论：AOTF近红外漫反射光谱仪可达到对茯苓药材中水分含量快速准确测定的目的。
목적：채용AOTF근홍외만반사광보의，건립복령중수분적쾌속정량분석방법。방법：이공기위배경，채용만반사방식、SNAP광보채집연건，채집근홍외광보，광보수거위비솔모식하채집，이용편최소이승법（PLS）、교차-험증법（cross-validation）급Unscrambler정량분석연건창건정량교정모형。결과：정량모형적외부험증상관계수화내부험증상관계수균능체도0.9950，통과모형외부험증，험증집상대편차RSEP치위2.7%，험증집예측오차균방근RMSEP치위0.49，예측치화화험치적평균상대편차위1.3%。결론：AOTF근홍외만반사광보의가체도대복령약재중수분함량쾌속준학측정적목적。
Objective: The AOTF Near-Infrared Spectrometer were used for the rapid quantitative anal-ysis of water in medicinal Poria cocos. Methods: In the background of air, near infrared spectra of the samples were collected through diffuse-reflectance with the SNAP software. using a ratio mode. The partial least squares (PLS) calibration model was built through Savitzky-Golay smoothing and cross-validation with the Unscrambler quantitative analysis software. Results: Both the values of exterior and internal prediction coefficient correlation were 0.9950. The relative standard errors of predictions (RSEP), root mean square er-rors of predictions (RMSEP) and relative standard deviation between predictive value and true value were 2.7%, 0.49 and 1.3%, respectively. Conclusion: The AOTF near infrared spectroscopy has been proved to be a rapid and exact method for the quantitative determination of water in medicinal Poria cocos.