Sedimentary and residual clays from Santiago, Boavista e Fogo (Cape Verde): assessment of their properties as geophagic materials

Analysis of Polycyclic Aromatic Hydrocarbons (Pah) in Soil of Mangrove Forest of the Venezuelan Caribbean Coast

“…To corroborate that excess salts were removed, the chloride test was performed using silver nitrate. After washing, the samples were placed in an oven at 40 ºC until they were completely dry (Cerqueira et al 2019).…”

Geophagic Materials Characterization and Potential Impact on Human Health: The Case Study of Maputo City (Mozambique)

“…Geophagy can also occur by involuntary ingestion, mostly associated with children and their deliberate hand-to-mouth activities, but can also occur by pica behavior, i.e., voluntary ingestion of soil materials [8,9]. Pica behavior has been reported worldwide, e.g., in Indonesia [10] and Turkey [11], although the highest prevalence occurs in African and tropical latitudes countries [12][13][14]. Childhood and pregnancy, especially early pregnancy, which is the critical period of organogenesis [15], are the periods when pica behavior would most likely occur [16].…”