3.2.1. Effect of fruit size and seed on the SW-NIR spectra of intact mangosteen
The averaged SW-NIR intensity spectra of intact normal mangosteens and translucent flesh mangosteens with variation in fruit size are shown in Fig. 3(a). Fruit size had an effect on the SW-NIR intensity spectra, but the difference in the intensity in some regions resulting from the translucent flesh was substantially greater. Fig. 3(b) shows the effect of seed on the averaged SW-NIR intensity spectra. Similarly, translucent flesh with or without seeds caused much greater intensity than normal flesh.