Research on Nondestructive Measurement of Firmness and Soluble Tannin Content of 'Mopanshi' Persimmon Using Vis/NIR Diffuse Reflection Spectroscopy
文献类型： 外文期刊
作者： Zhang, Peng 1 ; Xue, Y. 3 ; Li, J. 1 ; Feng, X. 2 ; Wang, B. 2 ;
作者机构： 1.Natl Engn & Technol Res Ctr Preservat Agr Prod, Tianjin Key Lab Postharvest Physiol & Storage Agr, Tianjin 300384, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Inst Forestry & Pomol, Beijing 100093, Peoples R China
3.Liaoning Univ, Coll Light Ind, Shenyang 110036, Peoples R China
关键词： Vis/NIR Diffuse Reflection Spectroscopy;non-destructive measurement;astringent persimmon;soluble tannin content;firmness
期刊名称：V INTERNATIONAL SYMPOSIUM ON PERSIMMON
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收录情况： SCI
摘要： The objective of this research was to study the potential of visible and near infrared (Vis/NIR) diffuse reflection spectroscopy as a means of nondestructive measurement of the firmness and soluble tannin content of astringent persimmon. Vis/NIR spectral data were collected from 'Mopanshi' persimmon in the spectral region between 570 and 1848 nm. The results showed that the modified partial least squares (MPLS) model, with respect to the second derivative D2 log(l/R) and detrending, provided better predicted performance for the soluble tannin content of astringent persimmon fruit, with the correlation coefficient (r-value) of 0.908 and root mean square error of prediction (RMSEP) of 0.116%. And the MPLS model, with respect to the first derivative Dllog(l/R) and without detrending, provided excellent predicted performance for the firmness of astringent persimmon fruit, with the correlation coefficient (r-value) of 0.976 and RMSEP of 1.330 kg/cm2. As a result, Vis/NIR diffuse reflection spectroscopycan be used to predict the firmness and soluble tannin content of astringent persimmon.
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