Table 3 Total phenolic and flavonoid content of P. tetrastromatica and G. tenuistipitata crude extracts.

From: Effect of solvents on bioactive compounds and antioxidant activity of Padina tetrastromatica and Gracilaria tenuistipitata seaweeds collected from Bangladesh

Extracts

P. tetrastromatica

G. tenuistipitata

Total phenolics (mg of GA/g)

Total flavonoids (mg of quercetin/g)

Total phenolics (mg of GA/g)

Total flavonoids (mg of quercetin/g)

Methanol

85.61 ± 1.47a

41.77 ± 1.59a

68.20 ± 0.92a

36.17 ± 2.38a

Ethanol

74.59 ± 0.70b

35.27 ± 1.64b

61.65 ± 1.27b

26.42 ± 0.90b

Water

42.73 ± 2.09c

22.39 ± 0.72c

34.11 ± 0.88c

19.86 ± 1.39c

  1. Different superscript letters represent things that are substantially different from one another. Significance level is p < 0.05.