Table 3.

Correlation coefficients between amino acids and γ-glutamyl peptides

Amino acid	γ-glutamyl peptides	Spearman R	95%CI	P value (two-tailed)
Ile	γ-Glu-Ile	0.4584	0.2401-0.6325	< 0.0001
Ala	γ-Glu-Ala	0.04022	-0.4898	0.7447
Ser	γ-Glu-Ser	0.2117	-0.4698	0.0831
Val	γ-Glu-Val	0.4565	0.2379-0.6311	< 0.0001
Thr	γ-Glu-Thr	0.3909	0.1610-0.5805	0.001
Leu	γ-Glu-Leu	0.4898	0.2779-0.6562	< 0.0001
Asn	γ-Glu-Asn	0.4012	0.1729-0.5885	0.0007
Lys	γ-Glu-Lys	0.2909	0.04915-0.5004	0.0161
Gln	γ-Glu-Gln	0.6387	0.4665-0.7642	< 0.0001
Glu	γ-Glu-Glu	0.8268	0.7294-0.8913	< 0.0001
His	γ-Glu-His	0.2982	0.05714-0.5064	0.0135
Phe	γ-Glu-Phe	0.4886	0.2765-0.6554	< 0.0001
Arg	γ-Glu-Arg	0.4258	0.2016-0.6076	0.0003
Tyr	γ-Glu-Tyr	0.6937	0.5404-0.8024	< 0.0001
Asp	γ-Glu-Asp	0.5566	0.3606-0.7056	< 0.0001
Met	γ-Glu-Met	0.5418	0.3420-0.6947	< 0.0001
Trp	γ-Glu-Trp	0.3433	0.1070-0.5428	0.0042
Gly	γ-Glu-Gly	0.05704	-0.489	0.6441
Gly	γ-Glu-Gly-Gly	0.006012	-0.4905	0.9612