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 |