Levels of Essential Elements in Different Medicinal Plants Determined by Using Inductively Coupled Plasma Mass Spectrometry

Table 1

Concentrations (μg/g) of the five essential elements measured in unwashed, washed, and infusion in the five medicinal plants (; mean ± SD).

Elements	Mahareeb	Sheeh	Harjal	Nabipoot	Cafmariam
Unwashed plants (μg/g)
Fe	1757.9 ± 2.8	193.4 ± 10.6	399.7 ± 6.7	859.8 ± 0.8	580.4 ± 9.0
Cu	21.8 ± 0.1	18.0 ± 0.1	20.6 ± 0.1	21.7 ± 0.0	11.3 ± 0.1
Zn	17.7 ± 0.2	32.7 ± 0.8	19.7 ± 0.3	17.1 ± 1.2	15.4 ± 0.3
Se	0.3 ± 0.0	0.1 ± 0.0	0.31 ± 0.0	0.92 ± 1.7	0.13 ± 0.0
Mn	121.5 ± 0.9	33.0 ± 0.8	143.7 ± 2.1	77.0 ± 1.6	23.6 ± 0.4
Washed plants (μg/g)
Fe	614.3 ± 12.6	160.1 ± 4.3	248.2 ± 3.5	576.4 ± 5.7	237.3 ± 1.8
Cu	10.0 ± 0.1	17.49 ± 0.0	37.66 ± 0.1	24.0 ± 0.1	52.1 ± 0.2
Zn	14.4 ± 0.3	8.0 ± 0.1	12.8 ± 0.2	21.0 ± 0.2	5.0 ± 0.1
Se	0.1 ± 0.0	0.1 ± 0.0	0.2 ± 0.0	0.6 ± 0.0	0.1 ± 0.0
Mn	98.4 ± 0.1	28.4 ± 0.7	110.6 ± 1.5	94.8 ± 1.6	13.3 ± 0.2
Measured concentration (μg/g) in infusion of each medical plant after boiling with deionized water
Fe	1.4 ± 0.0	2.3 ± 0.0	3.4 ± 0.1	2.3 ± 0.0	1.3 ± 0.4
Cu	0.6 ± 0.0	1.0 ± 0.0	0.7 ± 0.0	0.4 ± 0.0	0.4 ± 0.0
Zn	2.1 ± 0.1	4.3 ± 0.1	5.8 ± 0.1	4.7 ± 0.1	1.9 ± 0.0
Se	0.1 ± 0.0	0.1 ± 0.0	0.1 ± 0.0	0.4 ± 0.0	0.03 ± 0.0
Mn	14.8 ± 0.2	13.0 ± 0.3	16.7 ± 0.2	9.0 ± 0.3	1.6 ± 0.0