Table 2. Elements detected and their content by elemental analysis.

BLQ: below limit of quantification; LOQ: limit of quantification

Plant used for the analysis	Arsenic (As) mg/kg	Cadmium (Cd) mg/kg	Lead (Pb) mg/kg	Mercury (Hg) mg/kg	Iron (Fe) mg/kg
Ixora coccinea leaf (ICL)	BLQ (LOQ-0.1)	BLQ (LOQ-0.1)	1.29	BLQ (LOQ-0.1)	42
Ixora coccinea flower (ICF)	BLQ (LOQ-0.1)	BLQ (LOQ-0.1)	1	BLQ (LOQ-0.1)	38
Ixora alba leaf (IAL)	BLQ (LOQ-0.1)	BLQ (LOQ-0.1)	0.40	BLQ (LOQ-0.1)	78
Ixora alba flower (IAF)	BLQ (LOQ-0.1)	BLQ (LOQ-0.1)	0.21	BLQ (LOQ-0.1)	104