Analysis of amino acid constituents of gallstones

Table 1 Content of various amino acids in 5 groups (30 cases) of gallstones (^-x ± s, mg/g)

	Pure cholesterol		Mixed cholesterol		Mixed bilirubin		Glycoprotein		Black
	n	-x ± s	n	-x ± s	n	-x ± s	n	-x ± s
Gly	10	0.635 ± 0.498	7	2.333 ± 2.890	10	10.459 ± 4.451	2	19.185 ± 0.955	16.552
Ala	8	0.109 ± 0.084	7	0.794 ± 0.622	10	4.048 ± 2.409	2	1.925 ± 2.298	13.551
Val	9	0.133 ± 0.089	7	1.043 ± 0.674	10	4.202 ± 2.709	2	3.500 ± 0.948	15.383
Ile	5	0.080 ± 0.044	7	0.496 ± 0.330	10	2.407 ± 1.374	2	1.590 ± 0.523	4.921
Leu	9	0.150 ± 0.093	7	1.113 ± 0.671	10	5.914 ± 3.983	2	4.510 ± 0.410	16.834
Thr	10	0.112 ± 0.077	7	0.743 ± 0.499	10	3.784 ± 2.874	2	3.080 ± 0.820	11.642
Ser	10	0.117 ± 0.077	7	0.790 ± 0.565	10	2.836 ± 1.799	2	3.085 ± 0.870	11.643
Pro	4	0.116 ± 0.054	5	0.621 ± 0.203	10	2.953 ± 2.167	2	2.560 ± 0.968	12.421
Sys	2	0.060 ± 0.014	6	0.422 ± 0.211	10	2.018 ± 1.199	2	2.235 ± 0.813	9.943
Met	4	0.038 ± 0.013	4	0.398 ± 0.479	10	1.080 ± 0.670	2	0.800 ± 0.070	3.309
Phe	10	0.160 ± 0.089	7	0.797 ± 0.451	10	3.499 ± 2.397	2	3.060 ± 0.509	9.928
Thr	8	0.108 ± 0.055	7	0.596 ± 0.351	10	2.483 ± 1.713	2	1.710 ± 0.453	6.907
Asp	10	0.220 ± 0.162	7	1.374 ± 0.869	9	6.066 ± 4.039	2	5.250 ± 1.796	24.103
Glu	10	0.293 ± 0.194	7	1.723 ± 1.088	10	8.595 ± 5.468	2	7.460 ± 1.950	34.358
Lys	9	0.126 ± 0.076	7	0.680 ± 0.405	10	4.058 ± 3.195	2	2.405 ± 1.124	17.582
His	9	0.071 ± 0.039	7	0.401 ± 0.258	10	2.041 ± 1.983	2	0.945 ± 0.247	4.316
Arg	9	0.012 ± 0.078	7	0.716 ± 0.418	10	4.012 ± 2.492	2	3.010 ± 1.923	13.517
Tau	5	0.052 ± 0.028	9	1.695 ± 1.697	9	1.695 ± 1.697	1	1.540	1.608
Ammon	10	0.662 ± 0.232	10	5.332 ± 1.590	10	5.332 ± 1.590	2	6.130 ± 1.174	6.435