Journal of Spectroscopy / 2018 / Article / Tab 2

Research Article

Near Infrared Spectroscopy Based on Supervised Pattern Recognition Methods for Rapid Identification of Adulterated Edible Gelatin

Table 2

Predicting results of the LDA model in the training set and validation set.

CategoryTraining setValidation set
Recognition rateRejection rateRecognition rateRejection rate

Pure edible gelatin100% (11/11)100% (28/28)90.91% (10/11)100% (28/28)
4 : 1 adulterated gelatin100% (7/7)100% (32/32)100% (7/7)96.88% (31/32)
3 : 2 adulterated gelatin100% (5/5)100% (34/34)100% (5/5)100% (34/34)
2 : 3 adulterated gelatin100% (7/7)100% (32/32)100% (7/7)100% (32/32)
1 : 4 adulterated gelatin100% (6/6)100% (33/33)100% (6/6)100% (33/33)
Pure industrial gelatin100% (3/3)100% (36/36)100% (3/3)100% (36/36)

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