Table 2.

Summary of the detection of 1 µM luteolin in the presence of 50 µM interfering substances.

Interfering Substances	Concentration (µM)	Relative Deviation (%)
Na+	50	0.74
K+	50	3.32
Ba2+	50	−2.31
Cd2+	50	4.90
Mn2+	50	3.79
Co2+	50	3.55
Lysine	50	4.39
Threonine	50	2.30
Glycine	50	0.98
Alanine	50	3.18
Leucine	50	0.56
Baicalein	50	2.97%
Quercetin	50	4.24%