Fig. 2From: Oligogalacturonic acids promote tomato fruit ripening through the regulation of 1-aminocyclopropane-1-carboxylic acid synthesis at the transcriptional and post-translational levelsColor changes of AC fruits treated with or without OGs. a MG 1, MG 2 and MG 3 stage AC fruits were treated with 1Â g/L OGs or the control solution through vacuum infiltration. Photos taken 1, 3, 5 and 7Â days after conduction. b Detail color changes of MG 1 stage fruits, 3 or 5Â days after treatment with OGs or the control solution respectively, red arrow indicates the position that had first turned redBack to article page