Table 4 Free amino acid composition of the APH and fractions of UF/NF (mg/kg of freeze dried)

	APH1)	UF		NF
		APHU-12)	APHU-23)	APHN-14)	APHN-25)
		Asp	2,910	29,874	22,802	39,890	3,921
Glu	54,765	39,170	39,505	83,311	3,406
Asn	806	626	538.7	205	495
Ser	1,007	16,675	10,604	311	29,002
Gln	1,437	14,973	14,777	7,412	9,868
His	20,003	17,403	18,179	20,973	7,837
Gly	17,640	11,751	11,847	709	34,819
Thr	28,727	22,460	23,407	10,055	21,729
Arg	1,432	33,963	17,701	36,624	11,489
Ala	44,043	33,353	35,620	6,495	64,358
Tyr	7,392	17,193	51,743	5,771	8,208
Val	53,794	28,536	29,778	26,188	18,870
Met	22,311	19,384	19,503	8,625	24,513
Trp	3,659	3,246	3,582	2,015	3,454
Phe	25,187	25,183	28,782	12,141	28,747
Ile	32,177	28,703	27,883	35,103	14,280
Leu	51,929	50,500	49,886	54,282	32,402
Lys	16,246	48,333	50,688	100,376	12,209
Pro	7,503	7,326	8,094	2,598	10,248
Total	374,979	448,650	464,917	453,082	339,856

Medium-pressure assisted enzymatic hydrolyzate of raw anchovy after centrifugation.
10 kDa retentate (10 kDa≤MW).
5 kDa retentate (5 kDa≤MW<10 kD).
250 Da retentate (250 Da≤MW<5 kD).
250 Da permeate (MW<250 Da).