Tomato Quality during Short-Term Storage Assessed by Colour and Electronic Nose

Figure 4

Principal component analysis (PCA) of electronic data (LY2/G(−), LY2/LG(-), LY2/AA(⋄), LY2/gCTl(□), LY2/gCT(∆), P10/2(×), and T40/1(⋆)) for organoleptic mature overexpressed tomato during 0 (T0, green rhombus), 7 (T7, blue rhombus), 14 (T14, red rhombus) and 21 (T21, grey rhombus) days of storage and colour parameters (𝑎^∗ (green square), 𝑏^∗ (blue square) and 𝐿^∗ (red square)).