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. 2015 Aug 24;20(8):13603–13619. doi: 10.3390/molecules200813603

Figure 3.

Figure 3

PCA plot of all apple NIR spectral data acquired from the sunny and shaded side of the apples (A) 511 “Braeburn” apples on both sunny and shaded side (B) 539 “Cripps Pink” for the sunny side and 533 apples for the shaded side.