Table 4.

Amino acid reagents used in this study.

Compound	Company	Reagent grade	Product code
L(+)-Isoleucine	FUJIFILM	Wako special reagent	125–00865
L-Leucine	FUJIFILM	Guranteed reagent	128–00855
L(+)-Lysine Monohydrochloride	FUJIFILM	Wako special reagent	125–01465
L-Methionine	FUJIFILM	Wako special reagent	137–01605
L(-)-Phenylalanine	FUJIFILM	Wako special reagent	165–01305
L(-)-Threonine	FUJIFILM	Wako special reagent	208–01325
L-Tryptophan	FUJIFILM	Wako special reagent	204–03382
L-Valine	FUJIFILM	special reagent	222 − 00085
L-Histidine	FUJIFILM	Wako special reagent	082–00683
L-Alanine	FUJIFILM	Guranteed reagent	016-01044
L(+)-Arginine	FUJIFILM	Wako special reagent	015-04613
L-Asparagine	FUJIFILM	Guranteed reagent	011-04811
L-Aspartic acid	FUJIFILM	Guranteed reagent	015-04831
L(-)-Cystine	FUJIFILM	Guranteed reagent	035-05293
L(+)-Glutamine	FUJIFILM	Guranteed reagent	078–00525
L-Glutamic acid	FUJIFILM	Guranteed reagent	074–00505
Glycine	FUJIFILM	Guranteed reagent	075–00731
L(-)Proline	FUJIFILM	Guranteed reagent	165–04605
L-Serine	FUJIFILM	Guranteed reagent	195–00404
L-Tyrosine	FUJIFILM	Wako special reagent	206–03565