Table 1 Flavonoids in different organs of D. catenatum

From: Functional analysis of a novel C-glycosyltransferase in the orchid Dendrobium catenatum

Name

RT (min)

Formula

Parent/product ion

Flavonoid contents (\(\overline x \pm s\), μg/g, n = 3)

Root

Srem

Leaf

Flower

Flower bud

2-Hydroxynaringenin

8.59

C15H12O6

286.97/151.00

5.39 ± 3.17

2.11 ± 0.56

0.14 ± 0.24

n.d.

n.d.

Vitexin

5.81

C21H20O10

430.95/311.00

1.46 ± 0.20

2.55 ± 0.80

9.21 ± 2.17

38.88 ± 13.69

121.19 ± 6.95

Isovitexin

6.03

C21H20O10

430.88/311.00

0.30 ± 0.24

0.73 ± 0.07

3.53 ± 0.45

21.36 ± 15.36

74.65 ± 4.93

Vicenin-2

3.64

C27H30O15

592.99/352.90

16.90 ± 8.34

38.61 ± 6.97

95.74 ± 28.07

383.52 ± 187.65

507.95 ± 35.24

Phloretin

9.12

C15H14O5

273.740/167.80

5.59 ± 3.60

1.15 ± 0.39

n.d.

n.d.

n.d.

Nothofagin

6.80

C21H24O10

435.09/314.90

n.d.

n.d.

n.d.

0.31 ± 0.62

0.45 ± 0.03

Apigenin

9.26

C15H10O5

268.76/117.10

0.80 ± 0.19

0.82 ± 0.61

0.27 ± 0.10

n.d.

n.d.

Cosmosiin

7.58

C21H20O10

430.76/268.00

n.d.

n.d.

n.d.

0.08 ± 0.08

0.09 ± 0.00

  1. n.d. not detected.