. 2020 Jul 7;25(13):3087. doi: 10.3390/molecules25133087

Table 2.

Bioactive compounds (mg/100 g) from different aged beef striploin (longissimus lumborum) using ¹H-¹³C HSQC on 850 MHz cryo-NMR spectrometer.

Contents	Aging Method	Aging Period (Day)					SEM ¹
Contents	Aging Method	0	7	14	21	28	SEM ¹
Anserine	Crust	19.93 ^c	90.26 ^b,y	95.08 ^b,x	147.98 ^a,x	96.89 ^b,x	0.852
	Dry	19.93 ^d	100.21 ^a,x	53.12 ^c,y	98.30 ^a,y	72.07 ^b,y	0.264
	Wet	19.93 ^c	92.04 ^a,y	91.40 ^a,x	78.30 ^b,z	22.72 ^c,z	0.312
	SEM ²		2.438	3.932	3.193	5.267
Betaine	Crust	15.36 ^ab	14.78 ^b	16.34 ^ab,x	17.15 ^ab,x	17.67 ^a,x	0.363
	Dry	15.36 ^a	14.76 ^ab	13.58 ^b,y	14.19 ^ab,y	14.98 ^ab,xy	0.388
	Wet	15.36	14.15	14.18 ^y	13.08 ^y	12.93 ^y	0.481
	SEM ²		0.302	0.637	0.546	0.873
Carnitine	Crust	39.61 ^c	44.95 ^ab,x	46.01 ^a,x	45.35 ^ab,x	42.70 ^b,x	0.699
	Dry	39.61 ^b	43.41 ^a,x	41.44 ^ab,y	41.76 ^ab,y	41.24 ^ab,x	0.585
	Wet	39.61 ^a	34.97 ^b,y	34.87 ^b,z	32.52 ^b,z	32.47 ^b,y	0.462
	SEM ²		0.866	0.642	0.451	0.650
Carnosine	Crust	33.97 ^d	418.83 ^b,z	256.24 ^c,y	498.79 ^a,y	260.74 ^c,y	0.844
	Dry	33.97 ^e	471.15 ^b,y	205.82 ^d,z	546.28 ^a,x	297.89 ^c,x	0.489
	Wet	33.97 ^e	499.34 ^a,x	476.09 ^b,x	455.32 ^c,z	53.02 ^d,z	0.855
	SEM ²		5.908	6.005	5.221	5.655
Creatine/Phosphocreatine	Crust	182.13 ^c	215.28 ^b,y	239.46 ^a,x	205.85 ^bc,x	192.74 ^b,c	0.553
	Dry	182.13 ^b	227.47 ^a,x	167.30 ^b,y	150.83 ^b,y	157.55 ^b,y	0.688
	Wet	182.13 ^b	211.49 ^a,y	200.98 ^ab,xy	202.34 ^ab,x	197.01 ^ab,x	0.781
	SEM ²		3.806	12.983	6.496	9.142

^{1, 2} Standard error of the means ¹ (n = 25), ² (n = 15). ^a–e Different letters in the same row indicate a significant difference (p < 0.05). ^x–z Different letters in the same column indicate a significant difference (p < 0.05).