Fig. 13
From: Metabolomic insights into the browning of the peel of bagging ‘Rui Xue’ apple fruit
The metabolic pathway of flavonoids. Note: The color from purple to red means that gene expression increase successively. PAL: Phenylalanine ammonia-lyase; C4H: Cinnamate 4-hydroxylase; 4CL: 4-coumarate coenzyme A ligase; CHS: Chalone synthase; CHI: Chalcone isomerase; F3H: Flavanone 3-hydroxylase; DFR: Dihydroflavonol reductase; ANS: Anthocyanidin synthase; LAR: Leucoanthocyanidin reductase; ANR: Anthocyanidin reductase; UFGT: UGP glucose-flavonoid3-o- glucosyl; LAC: P-diphenol dioxygen oxidoreductase