Table 1 The main compounds identified in IGLR by UPLC-Q/TOF-MSⁿ

1

7-Epi-Phlomiol

C₁₇H₂₆O₁₃

[M+Na]⁺

− 1.39

[M−H]⁻

1.62

2

Schismoside

C₁₇H₂₆O₁₂

[M+Na]⁺

− 0.90

[M−H]⁻

1.21

3

Phlorigidoside C

C₁₇H₂₄O₁₁

[M+Na]⁺

− 1.64

[M−H]⁻

2.97

4

Decaffeoylacteoside

C₂₀H₃₀O₁₂

[M+Na]⁺

− 0.66

[M−H]⁻

1.80

5

Lamalbide

C₁₇H₂₆O₁₂

[M+Na]⁺

− 1.17

[M−H]⁻

1.28

6

Penstemoside

C₁₇H₂₆O₁₁

[M+Na]⁺

− 1.07

[M−H]⁻

2.20

7

Shanzhiside methyl ester

C₁₇H₂₆O₁₁

[M+Na]⁺

− 0.86

[M−H]⁻

0.64

8

6-O-Acetylshanzhi-side methyl ester

C₁₉H₂₈O₁₂

[M+Na]⁺

− 0.93

[M−H]⁻

1.12

9

Phloyoside II

C₁₇H₂₅ClO₁₂

[M+Na]⁺

− 0.90

[M−H]⁻

2.00

10

Chlorotuberroside

C₁₇H₂₅ClO₁₁

[M+Na]⁺

− 1.06

[M−H]⁻

1.43

11

7,8-Dehydropenste-monoside

C₁₇H₂₀O₁₀

[M+Na]⁺

− 1.61

[M−H]⁻

1.35

12

7,8-Dehydropenste-moside

C₁₇H₂₄O₁₁

[M+Na]⁺

− 1.64

[M−H]⁻

1.27

13

8-O-Acetylshanzhi- side

C₁₈H₂₆O₁₂

[M+Na]⁺

− 1.56

[M−H]⁻

1.56

14

Loganin

C₁₇H₂₆O₁₀

[M+Na]⁺

− 2.23

[M−H]⁻

1.17

15

Deoxyloganic acid

C₁₆H₂₄O₉

[M+Na]⁺

− 2.32

[M−H]⁻

2.00

16

Forsythoside B

C₃₄H₄₄O₁₉

[M+Na]⁺

− 0.04

[M−H]⁻

1.39

17

8-O-Acetylshanzhi-side methyl ester

C₁₉H₂₈O₁₂

[M+Na]⁺

− 1.38

[M−H]⁻

1.72

18

Verbascoside

C₂₉H₃₆O₁₅

[M+Na]⁺

− 0.68

[M−H]⁻

1.33

19

Alyssonoside

C₃₅H₄₆O₁₉

[M+Na]⁺

− 0.23

[M−H]⁻

1.57

20

7-O-benzoylloganic-acid

C₂₁H₃₆O₁₂

[M+Na]⁺

− 1.79

[M−H]⁻

2.63

21

Lamiophlomio-side A

C₃₅H₄₆O₂₁

[M+H]⁺

− 3.81

[M−H]⁻

1.12

22

6-O-syringylbarlerin

C₂₈H₃₆O₁₆

[M+Na]⁺

− 2.13

[M−H]⁻

1.18