Fig. 5From: Metabolomic insights into the browning of the peel of bagging ‘Rui Xue’ apple fruitPrincipal component analysis of QC samples and analysis of metabolite strength distribution. Note: a: PCA model figure; b: Hierarchical clustering Fig. QC: Quality control; BFB: Bagging fruit with browning; BFW: Bagging fruit without browning; NBF: Unbagging fruitBack to article page