Table 2.

Free amino acid content in rice grains

Amino acid	Ni	#8_1		#8_8
			(nmol/g FW)
Ala	431.2 ± 176.4	503.0 ± 94.2	1.2	905.4 ± 322.4**	2.1
Gly	159.9 ± 55.5	131.7 ± 59.6	0.8	106.9 ± 19.2	0.7
Val	66.4 ± 18.2	81.0 ± 30.1	1.2	146.3 ± 44.8**	2.2
Leu	17.7 ± 6.2	53.0 ± 14.2**	3.0	54.9 ± 21.2**	3.1
Ile	10.2 ± 4.1	6.0 ± 3.5	0.6	53.1 ± 19.8**	5.2
Ser	281.0 ± 72.7	25.0 ± 17.8**	0.1	448.3 ± 94.2**	1.6
Pro	210.6 ± 65.1	127.7 ± 47.9	0.6	139.8 ± 59.6	0.7
Asn	1758.6 ± 412.2	5018.0 ± 2805.0**	2.9	566.5 ± 302.1**	0.3
Asp	1042.7 ± 245.6	3480.3 ± 1674.0**	3.3	2289.0 ± 813.9**	2.2
Met	549.7 ± 48.1	146.3 ± 57.0*	0.3	1524.5 ± 371.2**	2.8
Glu	1866.6 ± 588.6	3685.0 ± 876.5**	2.0	2898.9 ± 1105.2*	1.6
Phe	19.7 ± 7.2	24.3 ± 6.0	1.2	55.0 ± 18.8**	2.8
Gln	19.2 ± 8.9	130.7 ± 58.4**	6.8	ND
His	34.9 ± 23.3	253.0 ± 133.9**	7.2	ND
Tyr	24.3 ± 10.5	36.3 ± 17.0	1.5	25.2 ± 11.1	1.0
Trp	42.9 ± 12.6	4.0 ± 3.4**	0.1	13.6 ± 4.8**	0.3
GABA	32.0 ± 10.1	18.3 ± 10.2	0.6	223.5 ± 93.9**	7.0

Value:average ± sandard deviation

Bold:fold against Ni

ND not detected

* P < 0.05 and ** P < 0.01 versus Ni control