Antioxidant activity and total phenolic content of methanol extracts of Ixora coccinea

Figures & data

Table 1.  Total phenolic contents of flower, leaf and stem extracts of Ixora coccinea.

Plant part	Total phenolic content (µg/mg) GAE
Flower	210.55 ± 6.31
Leaf	180.56 ± 1.27
Stem	100.31 ± 4.63

Values are expressed as means ± SD; P <0.05.

GAE, gallic acid equivalents.

Table 2.  IC₅₀ values of the DPPH radical scavenging activity and xanthine oxidase inhibition for the different samples.

Sample	IC50
	DPPH radical scavenging activity (mg/mL)	Xanthine oxidase inhibition (µg/mL)
Flower	6.6	31.34
Leaf	109.95	26.5
Stem	272.42	36.67
BHT	5.11	-
Allopurinol	-	2.76

Figure 1.  Total antioxidant capacity of the different extracts. The TAC is expressed as µg/mL of ascorbic acid equivalents. Values are expressed as mean ± SD (n = 3); p <0.05.