| Abbreviation | Term |
| US | Ultrasound |
| SEM | Scanning electron microscopy |
| IDF | Insoluble dietary fiber |
| UP | Ultrasonic pretreatment |
| AFM | Atomic force microscopy |
| WG | Wheat gluten |
| CD | Circular dichroism |
| FTIR | Fourier transform infrared spectrum |
| DO | Degree of order |
| DD | Double helix |
| N-O’KI | Infrared crystal index spectra |
| KM | Michaelis–Menten constant |
| UTRP | Ultrasound-pretreated tea residue protein |
| KA | Association constant |
| Ea | Activation energy |
| ΔH | Change in enthalpy |
| ΔS | Change in entropy |
| ΔG | Change in Gibbs free energy |
| DFU | Dual-frequency ultrasound |
| DH | Hydrolysis degree |
| ACE | Angiotensin-I-converting enzyme |
| LPDU | Low-power-density ultrasound |
| CGM | Corn gluten meal |
| EBNH | Edible bird’s nest hydrolysate |
| UAE | Ultrasound-assisted enzymatic |
| UAEE | Ultrasound-assisted aqueous enzymatic extraction |
| GSP-U | Glycyrrhiza uralensis seed protein |
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