Fig. 7 in Impact of potential stimulants on asiaticoside and madecassoside levels and expression of triterpenoid-related genes in axenic shoot cultures of Centella asiatica (L.) Urb

Fig. 7. Proposed biosynthetic pathway of triterpenoids in C.asiatica (Prasad et al., 2019). Abbreviation: HMGS: hydroxy methylglutaryl-CoA synthase; HMGR: hydroxymethylglutaryl-CoA reductase; MVK: mevalonate kinase; DXS: deoxylulosephosphate synthase; DXR: deoxylulosephosphate reductoisomerase; DMAPP: dimethylallyl pyrophosphate; IPP: isopentenyl pyrophosphate; GPP: geranyl pyrophosphate; FPP: farnesyl pyrophosphate; FPPS: farnesyl diphosphate synthase; βAS: beta amyrin synthase; αAS: alpha amyrin synthase; SE: squalene epoxidase; SS: squalene synthase; CYP450: cytochrome P450; GT'S: glycosyltransferase; MVA: mevalonate; MEP: methylerythritol 4-phosphate.