Metabolomic Evaluation of Chronic Periodontal Disease in Older Adults

Table 3

Metabolites important for group separation according to partial least squares-discriminant analysis (PLS-DA) and their variable importance in projection (VIP) scores.

ID	Metabolite	VIP score
4	5-Aminovaleric acid	2.37
60	Serine, 3TMS derivative	2.18
64	Contaminant	1.86
30	1-Monopalmitin	1.79
14	Aspartic acid	1.78
15	D-mannitol	1.72
59	Putrescine	1.72
28	1-Benzoyl-2-t-butyl-5-ethyl-3-methyl-5-vinyl-imidazolidin-4-one	1.68
17	Palmitoleate	1.66
16	Maltose	1.62
50	Lactic acid	1.59
54	Oxalic acid	1.42
44	Edetic acid	1.29
61	Contaminant	1.29
10	D-glucose-6-phosphate	1.18

Derivatives of chemical products (example: toothpaste).