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. 2024 Dec 12;13(24):4022. doi: 10.3390/foods13244022

Figure 2.

Figure 2

1H-NMR spectra of shrimp shell protein hydrolysate (SSPH) prepared using alcalase (UAH) or papain (UPH) and their polyphenol conjugates. A–C (A), P–C (B), A–G (C) P–G (D), A–E (E) and, and P–E (F). Abbreviations: see Figure 1.