| NGF | Nerve growth factor |
| BDNF | Brain derived neurothrophic factor |
| ESI-MS | Electrospray ionization-mass spectrometry |
| NMR | Nuclear Magnetic Resonance |
| HR-ESI-MS | High resolution-Electrospray ionization-mass spectrometry |
| GAPDH | Glyceraldehyde 3-phosphate dehydrogenase |
| ZM | Sugar medium |
| SP | Soy peptone |
| IR | Infrared |
| DAD | Diode array detector |
| LC | Liquid chromatography |
| EDTA | Ethylene-diamine-tetra-acetic acid |
| DMEM | Dulbecco’s modified eagle’s medium |
| RPMI | Roswell park memorial institute medium |