Determination of Major and Trace Metals in Date Palm Fruit (Phoenix dactylifera) Samples Using Flame Atomic Absorption Spectrometry and Assessment of the Associated Public Health Risks

Table 7

Metal concentrations in date palm fruit (from the present study) and recommended dietary allowances/adequate intakes per adult per day (RDA/AI) values of metals [57].

Metals	Mean concentrations of metals (mg/kg)	Amount of metal a person can get from 100 g of date palm fruit (mg)	RDA/AI values per adult per day (mg)
Na	134–320	13–32	1500
Ca	205–299	21–30	1000
Fe	38.8–115	4.0–12	8.0
Zn	9.27–27.9	0.93–2.8	11