| PEF | pulsed electric field |
| MEP | Morchella esculenta polysaccharide |
| PDA | Potato Dextrose Agar medium |
| BBD | Box–Behnken experimental design |
| RSM | respond surface methodology |
| GPC | gel permeation chromatograph |
| FT-IR | Fourier-transform infrared |
| NMR | Nuclear magnetic resonance |
| Mw | molecular weight |
| ANOVA | analysis of variance |