4CL—4-coumarate CoA ligase;

ARF—ADP-ribosylation factor;

C3H—p-coumaroyl shikimate/quinate 3′-hydroxylase;

C4H—cinnamate 4-hydroxylase;

CHI—chalcone isomerase;

CHS—chalcone synthase;

DFR—dihydroflavonol 4-reductase;

F3H—Flavanone 3-hydroxylase;

PAL—phenylalanine ammonia lyase;

PCA—p-coumaric acid;

POD—peroxidase;

qRT-PCR—quantitative real-time PCR;

TAL—tyrosine ammonia-lyase;

TCA—trans-cinnamic acid.