Table 1.

Peak picking and Network Parameters

Parameters		Endometabolome	Exometabolome
Peak Picking
Minimum threshold	PPmin	2×10^7	3×10^7
Maximum threshold	PPmax	8×10^7	12×10^7
Chemical shift threshold	PPCS	1	1
Double quantum threshold	PPDQ	1	2
Network Finding
Double quantum tolerance	DQT	0.3 ppm	0.5 ppm
Symmetrical/Diagonal tolerance	SDT	0.3 ppm	0.3 ppm
Chemical shift tolerance	CST	0.03 ppm	0.07 ppm
Database Match
Ambiguity allowance	AA	0.5	0.5
Chemical shift match tolerance	CSMT	0.5 ppm	0.5 ppm
Matches tolerance	NCMT	2	2
Double quantum threshold	DQMT	4	4
Total Networks Found		53	49
Networks Matched		20	25