Table 1 Fractionation of phenolic content of U. lactuca aqueous extract using HHPLC (each values is the means of three replicates ± SE.).

From: Priming of Citrullus lanatus var. Colocynthoides seeds in seaweed extract improved seed germination, plant growth and performance under salinity conditions

Standard phenolic compounds

Retention time(min)

Concentration (μg g−1 dry weight)

Pyrogallic acid

9.697

19.72 ± 1.04

Resorcinol

13.623

25.30 ± 1.45

Protocatechuic acid

14.217

25.92 ± 1.25

Chlorogenic acid

15.831

15.33 ± 0.78

Caffeic acid

19.520

29.3 ± 1.32

Coumaric acid

21.235

36.23 ± 2.02

Ferulic acid

24.321

19.67 ± 1.11

Salicylic acid

31.129

16.97 ± 0.43

Total concentration

 

188.64

Ascorbic acid

22.532

48.59 ± 1.48

Back to article page