Table 1.

Identification of GBR metabolites contributing to the separation of the sample groups based on PLS-DA score plot for GC-MS analysis.

RT a (min)	Compound	RI b	VIP c	p-Value d
6.73	4,8-dimethylnonanol	1073	0.46	1.77 × 10−1
12.24	1,4-diacetylbenzene	1426	0.5	5.82 × 10−2
6.27	lactic acid	1045	0.52	5.98 × 10−3
10.26	2-isopropyl-5-methyl-1-heptanol	1292	0.52	8.45 × 10−3
21.29	stearic acid	2226	0.56	1.10 × 10−2
14.01	p-hydroxydiisopropylbenzene	1560	0.61	1.24 × 10−2
10.39	2,4-diethyl-1-heptanol	1300	0.62	1.15 × 10−2
6.66	perhydrogeraniol	1068	0.67	2.71 × 10−3
19.38	palmitic acid	2029	0.69	3.56 × 10−4
7.01	alanine	1089	0.88	1.12 × 10−16
14.54	glutamic acid	1601	0.90	8.99 × 10−33
12.82	malic acid	1469	1.05	8.68 × 10−30
17.42/17.54	fructose	1845/1856	1.13	2.23 × 10−27
13.42	γ-aminobutyric acid (GABA)	1514	1.14	6.88 × 10−31
9.70	phosphoric acid	1256	1.15	2.89 × 10−38
19.74	myo-inositol	2065	1.16	8.40 × 10−35
18.81	gluconic acid	1973	1.17	1.76 × 10−22
24.53	sucrose	2601	1.23	1.18 × 10−44
17.70/17.92	glucose	1870/1890	1.29	1.11 × 10−40
18.13	sorbitol	1909	1.39	1.43 × 10−24
16.86	citric acid	1795	1.40	9.30 × 10−42
9.73	glycerol	1258	1.43	1.28 × 10−38
25.54	maltose	2731	1.44	1.89 × 10−29
25.33	cellobiose	2703	1.45	2.46 × 10−31

^a RT, retention time; ^b RI, retention index; ^c VIP, variable importance in the projection; ^d p-values were analyzed by Duncan’s test.