Feasibility Study of the Use of Handheld NIR Spectrometer for Simultaneous Authentication and Quantification of Quality Parameters in Intact Pineapple Fruits

Table 1

Reference measurement of TSS (°Brix) of total samples used.

Subsets	Number of samples	Total soluble solids (TSS) content
		Range (°Brix)	Mean (°Brix)	Std (°Brix)
Total samples	90	11.90–18.60	14.81	1.82
Calibration	68	11.90–18.59	14.86	1.88
Prediction	22	12.00–17.50	14.66	1.65