Table 2 Significantly different acids in root, stem, and left of S. salsa and P. tenuiflora

phenolic compounds

gallic acid

28 ± 3^a

54 ± 6^a

77 ± 12.26^a

23 ± 7^a

8.26 ± 3^b

11 ± 3^b

protocatechuic acid

5.2 ± 2 ^a

4.86 ± 2 ^a

8.41 ± 2 ^a

5.12 ± 1 ^a

0.95 ± 0 ^b

0.77 ± 0 ^b

catechol

0.42 ± 0 ^a

1.87 ± 1 ^a

1.42 ± 1 ^a

0 ^b

0.29 ± 0 ^b

0.24 ± 0 ^b

epigallocatechin

1.30 ± 0 ^a

2.34 ± 0 ^a

4.92 ± 1 ^a

1.01 ± 0 ^a

0.22 ± 0 ^b

0 ^b

vanillic acid

2.01 ± 1 ^a

4.47 ± 2 ^a

7.11 ± 2 ^a

1.73 ± 0 ^a

0.48 ± 0 ^b

0.48 ± 0 ^b

vinylphenol

5.88 ± 1 ^a

7.69 ± 1 ^a

7.55 ± 1 ^a

6.15 ± 2 ^a

1.9 ± 1 ^b

1.77 ± 1 ^b

guaiacol

0.96 ± 0 ^a

1.78 ± 0 ^a

2.23 ± 1 ^a

1.03 ± 0 ^a

0.24 ± 0 ^b

0.22 ± 0 ^b

organic acids

citraconic acid

8.21 ± 1 ^a

11 ± 3^a

7.97 ± 1 ^a

4.49 ± 2 ^b

1.43 ± 1 ^b

1 ± 0 ^b

malonic acid

35 ± 11 ^a

44 ± 17 ^a

76 ± 23 ^a

31 ± 8 ^a

15 ± 5 ^b

16 ± 2 ^b

succinic acid

44 ± 13 ^a

145 ± 18 ^a

52 ± 17 ^a

48 ± 18 ^a

16 ± 3 ^b

15 ± 4 ^b

tartaric acid

1.02 ± 0 ^a

2.43 ± 1 ^a

1.75 ± 1 ^a

0.98 ± 0 ^a

0 ^b

0.33 ± 0 ^b

itaconic acid

21 ± 5 ^a

40 ± 9 ^a

28 ± 9 ^a

19 ± 7 ^a

3.38 ± 1 ^b

4.44 ± 2 ^b

pelargonic acid

0.52 ± 0 ^a

0.88 ± 0 ^a

1.91 ± 1 ^a

0.91 ± 0 ^a

0.31 ± 0 ^a

0.19 ± 0 ^b

glycolic acid

17 ± 6 ^a

41 ± 11 ^a

56 ± 8 ^a

20 ± 8 ^a

6.31 ± 2 ^b

10 ± 2 ^b

3-methylglutaric acid

1.46 ± 1 ^a

0 ^a

1 ± 0.58 ^a

0 ^b

0 ^a

0 ^b

aminooxyacetic acid

12 ± 4 ^a

13 ± 4 ^a

18 ± 7 ^a

8.44 ± 4 ^a

0.79 ± 0 ^b

0.63 ± 0 ^b

oxalic acid

2.58 ± 1 ^a

3.63 ± 1 ^a

4.01 ± 15 ^a

3 ± 0^a

0.81 ± 1 ^b

1.15 ± 0 ^b

L-gulonic acid

2.5 ± 1^b

3.84 ± 1 ^a

2.01 ± 0 ^b

13 ± 5 ^a

10 ± 3 ^a

10 ± 2 ^a

cumic acid

4.15 ± 1 ^a

6.76 ± 2 ^a

9.27 ± 3 ^a

5.43 ± 2 ^a

1.43 ± 1 ^b

0.63 ± 0 ^b

palmitic acid

295 ± 86^a

401 ± 42^a

577 ± 140^a

508 ± 215^a

100 ± 31^b

77 ± 18^b

volatile compounds

methylfumarate

0.94 ± 0 ^a

1.83 ± 0 ^a

1.46 ± 0 ^a

0.71 ± 0 ^a

0.16 ± 0 ^b

0.16 ± 0 ^b

hydroxybutyrate

0 ^b

0 ^b

0.32 ± 0 ^a

0.35 ± 0 ^a

0.16 ± 0 ^a

0.31 ± 0 ^a

gluconic lactone

2.89 ± 1 ^a

2.46 ± 1 ^a

0.98 ± 0 ^a

0 ^b

0 ^b

0 ^b

methyl hexadecanoate

0.33 ± 0 ^a

0.52 ± 0 ^a

0.92 ± 0 ^a

0 ^b

0 ^b

0.11 ± 0 ^b

dioctyl phthalate

9.13 ± 3 ^a

13 ± 3 ^a

20 ± 6 ^a

8.92 ± 2 ^a

1.39 ± 1 ^b

1.24 ± 0 ^b

methyl heptadecanoate

3.76 ± 1 ^a

8.3 ± 1 ^a

4.16 ± 1 ^a

1.87 ± 1 ^b

0.69 ± 0 ^b

0.44 ± 0 ^b

nonanoic acid methyl ester

79 ± 18 ^a

105 ± 23^a

149 ± 29^a

114 ± 33 ^a

23 ± 7^b

19 ± 5 ^b

methyl octanoate

44 ± 6 ^a

59 ± 13 ^a

92 ± 17 ^a

62 ± 19 ^a

14 ± 3^b

10 ± 3 ^b

L-gulonolactone

0 ^a

0 ^b

0 ^b

0 ^a

1.61 ± 0 ^a

8.46 ± 4 ^a

phenylacetic acid

0 ^b

0.64 ± 0 ^a

0.64 ± 0 ^a

0.33 ± 0 ^a

0 ^b

0 ^b

hydroxymandelic acid

11 ± 2 ^a

8.9 ± 1 ^a

14 ± 4 ^a

12 ± 5 ^a

3.24 ± 1 ^a

2.1 ± 1 ^b

5-hydroxyindole-2-carboxylic acid

0.73 ± 0 ^a

1.57 ± 1 ^a

1.89 ± 1 ^a

0 ^a

0.22 ± 0 ^b

0.36 ± 0 ^b

5-hydroxyindole-3-acetic acid

1.41 ± 1 ^a

3.17 ± 1 ^a

2.39 ± 0 ^a

1.37 ± 0 ^a

0.27 ± 0 ^b

0 ^b