Page 522 - Applied Pharmacognosy
P. 522

Summary                                                                        521

Metabolic Pathway  Starting material  End product             High energy molecules Important intermediates

Photosynthesis     CO2                glucose                 ATP/ NADPH                  ---
Glycolysis         Glucose (C6)       Pyruvate (C3)           ATP/NADH
Kreb’s cycle       Pyruvate (C3)      CO2                     ATP/ NADH/FADH2            ----
PPP
Mevlonate          Glucose-6-P (C6)   ---- NADPH                                Oxaloacetic acid
Non-mevalonate                                                                   2-oxoglutarate
Shikimic acid      Acetyl CoA         Isoprene unit (C5)      -----
                                                                               Erythrose-4-P (C4)
                   Pyruvate           Isoprene unit (C5)      -----              Ribose-5-P (C5)

                   PEP                Most aromatic compouds                          IPP (C5)
                   Erythrose-4-P                                                   DMAAPP (C%)
                                                              -----
                                                                                      IPP (C5)
                                                                                   DMAPP (C%)

                                                                                 Chorismic acid
                                                                                 Prephenic acid
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