Table 9. Total flavonoid content of QCE (µg/mL).

ICLEA: Ixora coccinea leaf ethyl acetate; ICFEA: Ixora coccinea flower ethyl acetate; ICFHA: Ixora coccinea flower hydroalcoholic; IALCE: Ixora alba leaf chloroform extract; IALHA: Ixora alba leaf hydroalcoholic; IAFEA: Ixora alba flower ethyl acetate; QCE: quercetin; * mean of triplicate

Concentration of QCE (µg/mL)	*Absorbance of the standard at 415 nm	Sample	Concentration of the extract (mg/mL)	*Absorbance of the extract at 415 nm	Total flavonoid content (QCE) (µg/mL)
25	0.1587	ICLEA	10	2.8883	771.31
50	0.2620	ICFEA	10	2.5972	694.69
100	0.3721	ICFHA	10	0.8699	240.17
250	0.7797	IALCE	10	2.5295	676.89
500	1.5032	IALHA	10	0.8011	222.05
1000	3.8906	IAFEA	10	2.0779	558.05