Surfactant Modified/Mediated Thin-Layer Chromatographic Systems for the Analysis of Amino Acids

Table 4

𝑅_𝑓 value of amino acids in different surfactants mediated solvent systems: data is extracted from references [12, 14].

Amino acids	Mobile phase	Stationary phase	𝑅𝑓 value
L-Lysine	M3	S1	0.52
	M4		0.40
	M5		0.05
	M6		0.07
	M7		0.09
	M8		0.12
	M17		0.83
	M18		0.80
	M19		0.75
	M21		0.04
	M22		0.06
	M23		0.12
	M24		0.20
L-Arginine	M3	S1	0.55
	M4		0.41
	M5		0.02
	M6		0.03
	M7		0.06
	M8		0.10
	M17		0.79
	M18		0.77
	M19		0.74
	M21		0.06
	M22		0.09
	M23		0.19
	M24		0.21
L-Ornithine	M3	S1	0.60
	M4		0.45
	M5		0.05
	M6		0.09
	M7		0.12
	M8		0.15
L-Histidine	M3	S1	0.68
	M4		0.50
	M5		0.30
	M6		0.40
	M7		0.45
	M8		0.48
L-Tryptophan	M3	S1	0.72
	M4		0.62
	M5		0.58
	M6		0.64
	M7		0.50
	M8		0.66
	M17		0.94
	M18		0.91
	M19		0.90
	M21		0.45
	M22		0.50
	M23		0.66
	M24		0.75
L-Isoleucine	M17	S1	0.88
	M18		0.54
	M19		0.80
	M21		0.55
	M22		0.58
	M23		0.63
	M24		0.72
L-Hydroxyproline	M17	S1	0.82
	M18		0.78
	M19		0.75
	M21		0.21
	M22		0.23
	M23		0.32
	M24		0.41
L-Proline	M17	S1	0.85
	M18		0.80
	M19		0.78
	M21		0.33
	M22		0.33
	M23		0.34
	M24		0.37
L-Cysteine	M17	S1	0.97
	M18		0.93
	M19		0.88
	M21		0.09
	M22		0.17
	M23		0.23
	M24		0.45
L-Cystine	M17	S1	0.00
	M18		0.00
	M19		0.00
	M21		0.00
	M22		0.00
	M23		0.00
	M24		0.00
L-Methionine	M17	S1	0.90
	M18		0.88
	M19		0.83
	M21		0.42
	M22		0.45
	M23		0.53
	M24		0.58
L-Valine	M17	S1	0.86
	M18		0.83
	M19		0.78
	M21		0.36
	M22		0.40
	M23		0.49
	M24		0.56
L-Glycine	M17	S1	0.91
	M18		0.89
	M19		0.84
	M21		0.14
	M22		0.19
	M23		0.30
	M24		0.38
L-Serine	M17	S1	0.97
	M18		0.94
	M19		0.90
	M21		0.15
	M22		0.18
	M23		0.31
	M24		0.38