Table 2 Functional analyses of identified differential metabolites.

From: Metabolite accumulation and metabolic network in developing roots of Rehmannia glutinosa reveals its root developmental mechanism and quality

Comparative groups

TN

NUM

NDM

NUMKFN

NDMKFN

NUMKPE/KP

NDMKPE/KP

TR/ER

200

111

89

56

43

24/37

11/21

MR/TR

85

28

57

3

19

1/1

4/12

ER/MR

149

66

83

35

33

16/23

6/17

  1. TN, NUM, NDM, NUMKFN, NDMKFN, NUMKPE/KP and NDMKPE/KP stand for total number, number of increased metabolites, number of decreased metabolites, number of increased metabolites with known formulas and names, number of decreased metabolites with known formulas and names, number of increased metabolites with KEGG pathways and enzymes/with KEGG pathways, and number of decreased metabolites with KEGG pathways and enzymes//with KEGG pathways.