Table 3.

ACE inhibitor peptides that have been identified.

Pre-Met	SIT	ACS *	RMM	IC50	Ref
Enzymolysis	UF, GPC-HPLC, MALDI-TOF-MS	TWPERPPQIP	1033.42Da	25.67 μg/mL	[40]
Enzymolysis	UF, GPC, HPLC (RP-HPLC), ESI	YEP	407.43Da	0.29 μmol/L	[24]
Enzymolysis	MALDI-TOF-MS, GPC-HPLC	LPGRPPIKPWPL	1353.67 Da	128.98 μg/mL	[41]
Enzymolysis	RP-HPLC, HPLC	YVPHWDL	929Da	0.136–0.173 μm/mL	[20]
Fermentation	UF, UPLC-ESI-MS/MS, RP-HPLC	VQTL LGYEN	459.35Da 594.28Da	- -	[36]
Enzymolysis	UPLC-Q-TOF-MS/MS, HPLC-MS/MS	EPNGLLLPQY	1142.60 Da	0.233 μm/mL	[23]
Enzymolysis	UPLC-MALDI-TOF-MS	LY	295.19Da	0.042 μm/mL	[59]
Enzymolysis	UPLC-MALDI-TOF-MS	YLA	366.24Da	0.396 μm/mL	[59]

The Pre-met, SIT, ACS, RMM and Ref in the table refer to preparation method, separation and identification technology, amino acid sequence, relative molecular mass and reference, respectively. * The amino acid sequence is in the form of 20 single letter abbreviations, namely Gly—G, Ala—A, Val—V, Leu—L, Ile—I, Pro—P, Ser—S, Thr—T, His—H, Glu—E, Asp—D, Gln—Q, Asn—N, Lys—K, Arg—R, Cys—C, Met—M, Phe—F, Tyr—Y and Trp—W.