Dynamics of Panax ginseng Rhizospheric Soil Microbial Community and Their Metabolic Function

Table 2

Substrates highly correlated with PC1 and PC2.

PC1
Carbohydrates
I-Erythritol	0.895
Glycogen	0.835
D-Glucosaminic acid	0.859
D-Cellobiose	0.891
Amino acids
L-Arginine	0.848
L-Phenylalanine	0.918
L-Threonine	0.838
Carboxylic acids
Pyruvic acid methyl ester	0.873
y-Hydroxybutyric	0.930
Itaconic acid	0.959
a-Ketobutyric acid	0.907
Amines
Putrescine	0.968
Phenolic
2-Hydroxybenzoic acid	0.802
4-Hydroxybenzoic acid	0.905
Polymer
a-Cyclodextrin	0.886
PC2
Amino acids
L-Asparagine	0.805
Carbohydrates
N-Acetyl-D-glucosamine	0.804