Table 2.

The concentrations (ng·mL⁻¹, mean ± standard deviation, n = 3) of amino acids in the total soluble form and the precipitated bound form extracts of Nostoc sp.

ER #	Total Soluble Form Extracts	Precipitated Bound Form Extracts
	1:100	1:100	1:500	1:2000
Glycine	35 ± 2.7	612 ± 52	122 ± 10	30 ± 2.5
Alanine	58 ± 2.0	1462 ± 199	282 ± 40	70 ± 10
Serine	20 ± 3.8	371 ± 38	74 ± 7.6	18 ± 1.9
Proline	32 ± 1.7	662 ± 50	132 ± 10	33 ± 2.5
Valine	50 ± 4.6	1282 ± 193	256 ± 10	64 ± 2.5
Threonine	30 ± 1.5	688 ± 82	138 ± 16	34 ± 4.0
Isoleucine	44 ± 1.7	1224 ± 98	245 ± 20	61 ± 5.0
Leucine	54 ± 2.2	1385 ± 70	277 ± 14	69 ± 3.5
Aspartic acid	41 ± 0.49	199 ± 29	40 ± 5.8	10 ± 1.4
Glutamine	85 ± 8.6	1704 ± 136	341 ± 27	85 ± 6.8
Lysine	79 ± 7.8	1605 ± 169	321 ± 34	80 ± 8.5
Glutamic	9.0 ± 0.28	95 ± 9.9	19 ± 2.0	4.8 ± 0.49
Methionine	0.50 ± 0.38	310 ± 16	62 ± 3.2	16 ± 0.79
Histidine	5.0 ± 1.2	108 ± 1.2	22 ± 0.24	5.5 ± 0.060
Phenylalanine	62 ± 1.2	1402 ± 80	280 ± 16	70 ± 4.0
Arginine	88 ± 5.8	830 ± 64	166 ± 13	42 ± 3.2
Tyrosine	2.6 ± 0.58	109 ± 16	22 ± 3.2	5.5 ± 0.81
Tryptophan	0.089 ± 0.011	2.3 ± 0.0076	0.46 ± 0.0015	0.12 ± 0.00038
Total	694 ± 40	14047 ± 1348	2810 ± 270	702 ± 62

Note: # ER means extraction ratio of sample weight g to final extract volume mL.