Rapid and Nondestructive Identification of Origin and Index Component Contents of Tiegun Yam Based on Hyperspectral Imaging and Chemometric Method

Table 2

Statistical values of starch, polysaccharide, and protein contents in Tiegun yam powder for both calibration and prediction sets (mg/g).

Content	Sets	Range	Mean	SD
Starch	Training	377.4–638.3	489.5	60.23
	Prediction	391.4–603.8	490.5	60.33
Polysaccharide	Training	8.06–36.01	22.41	8.13
	Prediction	8.06–35.20	23.57	11.04
Protein	Training	5.09–51.25	23.68	10.05
	Prediction	5.44–36.59	22.37	9.62