Table 9 HPLC analysis of phenolic and flavonoid compounds of wheat grains yielded from control and biostimulant (1.0 g/L HLE) treated plants, expressed as µg/g
No | Compound | Control | HLE (1.0Â g/L) | Change (%) | ||
|---|---|---|---|---|---|---|
1 | Benzoic acid derivatives | Benzoic acid | 346.645 | 325.156 | -6 | |
2 | Gallic acid | 39.013 | 4.063 | -90 | ||
3 | Syringic acid | 25.826 | 2.688 | -90 | ||
4 | Vanillic acid | - | 27.485 | - | ||
5 | Cinnamic acid derivatives | Cinnamic acid | - | 51.048 | - | |
6 | o- Coumaric acid | 78.435 | 21.147 | -73 | ||
7 | p- Coumaric acid | - | 3.062 | - | ||
8 | Ferulic acid | 27.964 | 3.909 | -86 | ||
9 | Caffeic acid | 29.744 | 5.186 | -83 | ||
10 | Chlorogenic acid | 30.976 | 5.722 | -82 | ||
11 | Flavonoids | Flavonols | Kaempferol | - | 151.747 | - |
12 | Quercetin | 1403.844 | 2947.761 | 110 | ||
13 | Myricetin | 667.726 | 413.734 | -38 | ||
14 | Rutin | - | 260.670 | - | ||
15 | Naringenin (Flavanone) | - | 483.538 | - | ||
16 | Catechin (Flavanol) | 2.702 | 4.018 | 49 | ||
17 | Others | Resveratrol(stilbene) | 244.800 | 731.846 | 199 | |
18 | Ellagic acid | - | 11.996 | - | ||
19 | Catechol | 58.549 | - | - | ||
| Â | Total | 2887.467 | 5454.776 | 89 | ||