Determination of Elemental Composition of Malabar spinach, Lettuce, Spinach, Hyacinth Bean, and Cauliflower Vegetables Using Proton Induced X-Ray Emission Technique at Savar Subdistrict in Bangladesh

Table 2

Elemental concentrations (in ppm) of the samples analyzed.

Elements	Basella alba	Spinacia oleracea	Lactuca sativa	Lablab niger	Brassica oleracea
Si	3271 ± 15.5	3124 ± 26	—	—	—
P	22827 ± 46	65105 ± 63	78342 ± 50	14314 ± 55	87856 ± 45
Cl	75013 ± 51	35935 ± 51	35702 ± 33	35188 ± 64	37523 ± 65
K	91632 ± 90	88021 ± 96	97723 ± 93	92381 ± 85	83412 ± 90
Ca	98652 ± 89	95213 ± 101	86606 ± 102	84615 ± 79	80743 ± 87
Ti	24026 ± 52	33682 ± 70	—	—	—
Mn	1852 ± 16	13222 ± 78	59861 ± 61	39402 ± 52	9018 ± 24.3
Fe	72325 ± 71	83411 ± 87	90525 ± 98	80761 ± 95	72123 ± 82
Co	11253 ± 15	—	—	15152 ± 17	—
Zn	14022 ± 49	26125 ± 38	82467 ± 48	58414 ± 62	15765 ± 31
Sr	1043 ± 22	—	3015 ± 12	—	—
Br	—	6395 ± 19	—	7485 ± 24	6643 ± 16.5
Rb	—	1595 ± 24.54	4426 ± 22	—	—
Cr	—	—	9335 ± 17	—	9112 ± 11
Ru	—	—	6301 ± 20	—	—
Ni	—	—	—	—	1214 ± 13.1
S	—	74442 ± 33.5	—	72168 ± 60	—
Cu	—	—	—	—	1264 ± 14

Values are presented as mean ± SD () for 18 elements in each vegetable. = number of samples analyzed for each vegetable.