Table 3.

Amino acid composition of soybean grain.

Componenta	IND-ØØ41Ø-5 Mean (SE) (Range)	Williams 82 Mean (SE) (Range)	Commercial Reference Rangeb	Literature Rangec
Alanine	1.85 (0.02) (1.57–2.14)	1.86 (0.02) (1.65–2.17)	1.63–2.10	1.51–2.10
Arginine	2.83 (0.04) (2.43–3.22)	2.96 (0.02) (2.57–3.19)	2.67–3.27	2.28–3.4
Aspartic Acid	4.51 (0.04) (4.04–5.07)	4.56 (0.04) (4.04–5.08)	4.17–4.91	3.81–5.12
Cysteine	0.55 (0.01) * (0.43–0.66)	0.59 (0.01) (0.52–0.67)	0.49–0.62	0.37–0.81
Glycine	1.73 (0.01) (1.59–2.00)	1.69 (0.01) (1.53–1.83)	6.28–7.41	1.46–1.99
Glutamic Acid	7.00 (0.05) (6.33–7.72)	6.97 (0.05) (6.20–7.56)	1.58–1.79	5.84–8.20
Histidine	1.00 (0.01) (0.85–1.19)	1.01 (0.01) (0.84–1.13)	0.90–1.10	0.87–1.17
Isoleucine	1.77 (0.02) (1.50–1.95)	1.83 (0.01) (1.63–1.95)	1.60–1.87	1.53–2.07
Leucine	3.02 (0.02) (2.62–3.30)	3.02 (0.02) (2.70–3.26)	2.80–3.15	2.59–3.62
Lysine	2.20 (0.05) (1.68–2.60)	2.33 (0.02) (1.99–2.61)	2.14–2.59	2.28–2.83
Methionine	0.52 (0.01) (0.44–0.60)	0.52 (0) (0.44–0.57)	0.45–0.55	0.43–0.68
Phenylalanine	1.96 (0.02) (1.56–2.18)	1.99 (0.02) (1.67–2.19)	1.77–2.20	1.63–2.34
Proline	2.00 (0.02) (1.69–2.37)	2.01 (0.02) (1.70–2.30)	1.85–2.29	1.68–2.28
Serine	1.94 (0.02) (1.64–2.33)	2.03 (0.01) (1.78–2.24)	1.80–2.19	1.10–2.48
Threonine	1.54 (0.02) (1.30–1.69)	1.50 (0.02) (1.34–1.71)	1.35–1.64	1.14–1.86
Tryptophan	0.50 (0.01) (0.34–0.61)	0.52 (0.01) (0.40–0.62)	0.41–0.60	0.36–0.50
Tyrosine	1.38 (0.03) (1.04–1.63)	1.39 (0.03) (1.03–1.62)	1.03–1.61	1.01–1.61
Valine	1.83 (0.02) (1.60–2.07)	1.88 (0.01) (1.69–2.17)	1.71–2.10	1.59–2.20

Numbers represent mean of 44 values measured in samples from field trials developed during 2012–2013 in 11 different locations.

^aResults are expressed as % of dry weight.

^bValues measured in commercial varieties grown in the same trials.

^cILSI values within OECD.³⁵

SE: standard error of the mean.

*Significant difference (p < .05).