Method for performing nuclear magnetic resonance detection on adulterated non-dairy cream in watery cream
The invention provides a method for performing nuclear magnetic resonance identification on adulterated non-dairy cream in watery cream. The method comprises the following steps: (1) collecting creamsamples and performing plausibility check on the samples; (2) preparing adulterated cream samples by...
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| creator | YIN HUATAO GENG JIANQIANG ZHAO LI PAN HONGYAN MAO TING LI WEI HUANG HUA JIA JINGYI |
| description | The invention provides a method for performing nuclear magnetic resonance identification on adulterated non-dairy cream in watery cream. The method comprises the following steps: (1) collecting creamsamples and performing plausibility check on the samples; (2) preparing adulterated cream samples by performing plausibility check on the cream samples and collecting 1H-NMR of the samples; (3) establishing a PLS-DA qualitative model and a PCA-SVM regression quantitative analysis model by adopting 1H-NMR data subjected to data processing; (4) collecting 1H-NMR data of the cream samples with unknown adulteration or not, and performing detection by the established qualitative and quantitative models so as to obtain the identification of the unknown cream samples. According to the method, the accuracy of the modeling sample is guaranteed, the condition that the non-dairy cream is adulterated in the watery cream can be detected rapidly, qualitatively and quantitatively, the technology is reliable, the operation is sim |
| format | Patent |
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The method comprises the following steps: (1) collecting creamsamples and performing plausibility check on the samples; (2) preparing adulterated cream samples by performing plausibility check on the cream samples and collecting 1H-NMR of the samples; (3) establishing a PLS-DA qualitative model and a PCA-SVM regression quantitative analysis model by adopting 1H-NMR data subjected to data processing; (4) collecting 1H-NMR data of the cream samples with unknown adulteration or not, and performing detection by the established qualitative and quantitative models so as to obtain the identification of the unknown cream samples. 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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Method for performing nuclear magnetic resonance detection on adulterated non-dairy cream in watery cream |
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