Table 4.
Free amino acid contents of dehulled buckwheat and whole buckwheat powder (mg%)

		A1)	B
Essential amino acid	Threonine	4.53	2.84
	Valine	11.10	16.18
	Methionine	ND1)	0.83
	Isoleucine	ND	4.61
	Leucine	3.35	3.84
	Phenylalanine	1.11	1.27
	Lysine	1.52	2.37
	Tryptophan	ND	ND
Total essential amino acid		21.60	31.93
Nonessential amino acid	Aspartic acid	11.90	6.39
	Serine	4.46	2.96
	Glutamic acid	30.45	14.58
	Glycine	3.55	2.55
	Alanine	6.19	3.31
	Cysthine	ND	ND
	Tyrosine	1.76	1.92
	Histidine	0.80	0.75
	Arginine	13.94	7.30
	Proline	ND	ND
Total nonessential amino acid		73.04	39.77
Total amino acid		94.46	71.69

A: whole buckwheat powder, B: dehulled buckwheat powder.
Not detected.