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Table 2 Significantly changed (VIP > 1 and |p(corr)| > 0.65 from partial least squares discriminant analysis) intercellular metabolites induced by chlorosis

From: Metabolomics analysis reveals the metabolic and functional roles of flavonoids in light-sensitive tea leaves

Compounds

VIPa

p(corr) b

Log2 (C/G) c

(−)-Epicatechin 8-C-glucoside

1.57

−0.97

−1.86

2,6-Digalloylglucose

1.58

−0.97

−1.08

3-(4-Hydroxybenzoyl) epicatechin

1.52

−0.94

−1.27

6-Galloylglucose

1.48

−0.88

−2.10

Anthocyanidins

1.54

0.95

2.10

Catechin 7-O-apiofuranoside

1.35

0.84

0.75

Catechin-galacto

1.38

−0.86

−0.48

Cyanidin 3-xyloside

1.25

0.78

1.30

Delphinidin 3-glucoside

1.16

−0.72

−1.64

Dihydromyricetin

1.51

0.93

2.53

Gallocatechin 3-gallate

1.60

−0.99

−1.17

Epicatechin 3-O-(3-O-methylgallate)

1.54

−0.96

−1.69

Epicatechin-ent-epicatechin

1.24

−0.77

−2.49

Catechingallate

1.10

0.69

2.37

Epigallocatechin

1.38

0.87

0.68

Kaempferol 3-(2G-apiosylrobinobioside)

1.43

−0.88

−1.58

Kaempferol 7-(6″-galloylglucoside)

1.59

0.99

1.38

Kaempferol-3-O-glucoside

1.48

0.93

1.43

Kaempferol-3-O-rutinoside

1.52

−0.95

−0.59

Leucodelphinidin

1.45

0.89

1.54

Myricetin

1.27

−0.78

−1.22

Myricetin 3-(3″-galloylrhamnoside)

1.35

−0.82

−0.37

Myricetin 3,3′-digalactoside

1.58

−0.97

−1.03

Myricetin 3-arabinoside

1.29

−0.80

−1.73

Naringenin-4′-O-glucuronide

1.55

0.95

1.33

Naringin

1.54

0.93

1.49

Procyanidin C1

1.41

−0.87

−1.21

Quercetagetin 3′-methylether 7-glucoside

1.55

0.94

1.81

Quercetin

1.63

0.99

1.32

Quercetin 3-(3R-glucosylrutinoside)

1.57

0.97

1.59

Quercetin 3,7,4′-O-triglucoside

1.60

0.99

1.24

Quercetin 3-arabinoside

1.54

0.95

2.42

Quercetin 3-galactoside

1.63

0.99

0.48

Quercetin 3-O-alpha-D-arabinopyranoside

1.61

0.99

1.63

Quercetin 3-rutinoside 7-galactoside

1.53

0.95

4.35

Quercetin 4′,7-diglucoside

1.64

1.00

1.25

Quercetin-3′-glucuronide

1.63

0.99

1.21

Rutin

1.60

0.99

1.35

Cinnamic acid

1.63

0.99

0.85

Chicoric acid

1.53

−0.92

−2.17

Fertaric acid

1.53

−0.94

−1.25

p-Coumaric acid

1.29

−0.81

−0.73

Benzoic acid

1.77

0.92

0.81

Gallic acid

1.50

0.91

1.02

4-Hydroxybenzoic acid

1.38

0.85

1.72

Glucogallina

1.55

−0.79

−0.25

Chalcones

1.46

0.94

1.24

Caffeic acid

1.37

−0.90

−2.13

Frerulic acid

1.24

0.87

0.84

Quinine

1.77

0.92

3.04

Quinic acid

1.34

−0.83

−1.73

Shikimic acid

1.16

−0.73

−0.32

  1. a VIP means variable importance in the projection values from partial least squares discriminant analysis (PLS-DA)
  2. bp(corr) indicates loadings scaled as a correlation coefficient (ranging from −1.0 to 1.0)
  3. cC/G means the ratio of the mean peak intensity in chlorotic (C, full sun light) and green (G, shaded) tea plants