| DEG | differentially expressed gene |
| HPLC | high performance liquid chromatography |
| qRT-PCR | quantitative real time PCR |
| RNA-Seq | RNA Sequencing |
| PAL | phenylalanine ammonia lyase |
| CHI | chalcone isomerase |
| F3′5′H | flavonoid 3′,5′-hydroxylase |
| FLS | flavonol synthase |
| FNS | flavone synthase |
| ANS | anthocyanidin synthase |
| UFGT | flavonoid 3-O-glucosyl transferase |
| 7-NMT | 7-methylxanthosine synthase |
| IMPDH | IMP dehydrogenase |
| TCS | tea caffeine synthase |
| GDH | glutamate dehydrogenase |
| ADC | arginine decarboxylase |
| GS | glutamine synthetase |
| NR | non-redundant |
| Swiss-Prot | swiss-prot database |
| KEGG | Kyoto Encyclopedia of Genes and Genomes |
| COG | Cluster of Orthologous Groups of proteins |
| F | fluoride |
| ACAs | Ca2+ ATPase |
| GC | gallocatechin |
| EGC | epigallocatechin |
| EC | epicatechin |
| EGCG | epigallocatechin gallate |
| C | catechin |
| ECG | epicatechin gallate |