OBJECTIVE To establish a new quality control method of coconut milk based on 1 HNMR-PLS-DA.METHODS The 1HNMR was used for obtaining the data which was transformed into data matrix.And the partial least squares-discriminate analysis (PLS-DA) was used to analyze the data and establish the identification model.RESULTS The coconut milk samples from 5 manufacturers were effectively distinguished by 1HNMR-PLS-DA methods.The samples of coconut milk and the samples containing additives were effectively distinguished by 1HNMR-PLS-DA methods.CONCLUSION The method of 1HNMR-PLS-DA is reliable,fast and effective identification for coconut milk.
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NSTL
万方数据
维普
