Rapid Identification of Cheng’an Strawberry with Near Infrared Spectroscopy
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Abstract:
In order to determine the authenticity of Cheng’an strawberry, near infrared spectra of sample from different areas were adopted in the study. Near infrared spectra were pretreated with second derivate, first derivate, SNV and 5 points moving-smooth to set up a model of identification of samples based on factor analysis qualification testing and principal component analysis (PCA). The results showed that the identifying rate of Cheng’an strawberry from different area samples tested by three models on the basis of pattern recognition was greater than 93.3%. In conclusion, near-infrared spectroscopy pattern recognition technology had significant potential as a rapid and accurate method for identification of Cheng’an strawberry.
