Effects of Controlled Atmosphere on the Storage Quality and Aroma Compounds of Lemon Fruits Using the Designed Automatic Control Apparatus

Figure 6

Principal component analysis (along PC-1and PC-2, PC-1, and PC-3) of the volatile profile of lemon fruit stored under control (CK), and different controlled atmosphere (CA) environments (CA1=4 % O₂+5 % CO₂, CA2=6 % O₂+8 % CO₂, CA3 = 8 % O₂+11 % CO₂, and CA4=10 % O₂+14 % CO₂) after 20 days of storage. (a) Scores plot; (b) loadings plot.

(a)

(b)