Determination of lead in guava (Psidium guajava) planted near Sagian Wala Bypass, Lahore

Abstract

The present study deals with the determination of lead (Pb) in Guava Planted along Sagian Wala Bypass, Lahore. Samples of guava were collected from different sites of Sigan Wala Bypass. The samples were subjected to wet digestion procedure. The concentrations of Pb in 20 composite samples were determined by using Atomic Absorption Spectrophotometer (AAS). The results of this survey showed that the average concentrations detected were ranged from 6.57 to 13.10 mg/kg. Concentration of Pb in all samples was found to be higher than the permissible limit approved by FAO/WHO (0.3 mg/Kg). The high content of Pb in Guava may pose a health hazard to consumers. The results indicate that there is considerable risk of lead poisoning from consumption of the guava from these sites.

Biomonitoring of Heavy Metals in the Guava (Psidium guajava) for Their Health Risk Assessment in Kluang, Malaysia

“…Yami et al [23] reported that the metal concentrations (mg/kg dry weight) in the edible portion of guava collected from Nura Era Farm of Ethiopia as Cu (1.20), Zn (1.40), and Fe (5.60). Another study in Pakistan by Abrar et al [24] discovered that the values of Pb in guava planted along Sagian Wala Bypass, Lahore, were ranged from 6.57 to 13.10 mg/kg. Thus, it is sensible to assume that guava is a good heavy metal accumulator.…”

“…Many countries have conducted regular monitoring to establish information on heavy metals in food. Numerous papers have documented the metals concentration in the fruits [6][7][8][9] and vegetables [4,[10][11][12][13][14][15][16][17][18][19][20], yet only a few in edible guavas [7,[21][22][23][24]. Thus, it is essential to evaluate the chemical composition of this guava and make known of their impact on public health.…”