نتایج جستجو برای: savitzky
تعداد نتایج: 317 فیلتر نتایج به سال:
Chili (Capsicum annuum L.) is an important source of total carotene and vitamin C. Both substances are widely used in food processing materials, supporting a healthy immune system medicine. However, destructive testing often obtains information about the substances, which damages tested material requires relatively long analysis. Therefore, this research aims to develop calibration models C chi...
Abstract Sapodilla fruit (Manilkara zapota) is a climacteric having short shelf life. To extend life, cold temperature storage often used. During storage, one of the parameters that could change malic acid. Malic acid can be measured non-destructively using visible-near infrared (Vis-NIR) spectroscopy. However, measurement VisNIR spectroscopy has limitations, which sensitivity instrument toward...
A rapid and convenient method was developed to determine the polar components (PC) of frying oil by Fourier-transform near-infrared (FTNIR) spectroscopy. One hundred twenty six oil samples were used to PC determination by column chromatography and FTNIR spectroscopy combined with partial least-square (PLS) calibration. The optimal PLS calibration was obtained after the Savitzky-Golay smoothing ...
Visible and near infrared (Vis/NIR) spectroscopy was investigated for the fast analysis of superoxide dismutase (SOD) activity in barley (Hordeum vulgare L.) leaves. Seven different spectra preprocessing methods were compared. Four regression methods were used for comparison of prediction performance, including partial least squares (PLS), multiple linear regression (MLR), least squares-support...
Near-infrared spectroscopy (NIRS), a rapid and efficient tool, was used to determine the total amount of nine ginsenosides in Panax ginseng. In the study, the regression models were established using multivariate regression methods with the results from conventional chemical analytical methods as reference values. The multivariate regression methods, partial least squares regression (PLSR) and ...
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