Table 1 Yields, TPC, and TFC of O. stamineus extracts.

From: Phytochemical analysis, antioxidant, α-glucosidase inhibitory activity, and toxicity evaluation of Orthosiphon stamineus leaf extract

O. stamineus extract

Yield (%)

Total phenolic content (µg/mg)

Total flavonoid content (µg/mg)

Leaf

 100% ethanol

7.009 ± 0.536a

18.28 ± 0.649a

49.07 ± 0.144a

 Water

13.45 ± 0.890b

84.37 ± 0.351b

5.066 ± 0.032b

Stem

 100% ethanol

6.214 ± 0.754a

16.10 ± 0.595c

10.81 ± 0.582c

 Water

2.709 ± 0.385c

75.33 ± 1.078d

4.301 ± 0.048d

  1. n = 3, Tukey’s test, p < 0.05.
  2. a-d mean Values with different alphabet are significantly different at P < 0.05.