| IHR | Indian Himalayan Region |
| MAPs | Medicinal and Aromatic Plant species |
| UGT | UDP-Dependent Glucuronosyltransferase |
| ABC | ATP-binding cassette |
| CYP450 | Cytochrome P450 |
| DXS | 1-deoxy-D-xylulose-5-phosphate synthase |
| DXR | 1-deoxy-D-xylulose 5-phosphate reductoisomerase |
| MCT | 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase |
| CMK | 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase |
| MECS | 2-C-methyl-D-erythritol 2,4-cyclodiphosphatesynthase |
| HDS | 4-hydroxy-3-methylbut-2-enyl diphosphate synthase |
| HDR | 4-hydroxy-3-methylbut-2-enyl diphosphate reductase |
| AACT | Acetyl Co-A acetyltransferase |
| HMGS | HMG-CoA synthase |
| HMGR | HMG-CoA reductase |
| MK | Mevalonate kinase |
| MPK | Phosphomevalonate kinase |
| MVD | Di phosphomevalonate decarboxylase |
| IDI | Isopentenyl-diphosphate delta-isomerase |
| GPPS | Geranyl pyrophosphate synthase |
| FPPS | Fernyl pyrophosphate synthase |
| STS | Sesquiterpene synthase |
| LS | Limonene synthase |
| NMD | Neomenthol dehydrogenase |
| CD | Carveol dehydrogenase |
| NES | Nerolidol synthase |
| DHS | 3-deoxy-D-arabino-hept-2-ulosonate 7-phosphate synthase |
| DHQS | 3-dehydroquinate synthase |
| DHQ-SDH | 3-dehydroquinate dehydratase/shikimate 5-dehydrogenase |
| SK | Shikimate kinase |
| EPSPS | 5-enolpyruvylshikimate-3-phosphate synthase |
| CS | Chorismate synthase |
| CM | Chorismate mutase |
| PAT | Prephenate aminotransferase |
| ADT | Arogenate dehydratase |
| PAL | Phenylalanine ammonia lyase |
| C4H | Cinnamate-4-hydroxylase |
| C3H | Coumarate 3-hydroxylase |
| COMT | Caffeic acid 3-O-methyltransferase |
| NADPH-AOR | NADPH-dependent alkenal/one oxidoreductase |
| SDM | S-adenosyl-L-methionine-dependent Methyltransferases |
| PKC | Polyketide cyclase |