Micro Minerals

The African oil palm (Elaeis guineensis) is a crucial economic crop, widely cultivated for its oilrich kernels. Palm kernel seed oil (PKSO) is a significant source of essential minerals such as iron (Fe), zinc (Zn), and copper (Cu), but concerns exist regarding potential contamination with toxic heavy metals like cadmium (Cd). This study aims to determine the mineral composition of PKSO and assess its implications for human health and food safety. Palm kernel samples were obtained from New Benin Market, Benin Metropolis, Edo State, Nigeria. The oil extraction process involved heating, grinding, and pressing the kernels. Mineral analysis was conducted using Atomic Absorption Spectroscopy (AAS) after acid digestion. Quality assurance measures included duplicate analyses and blank sample validation to ensure data reliability. Results showed that PKSO contained Fe (2.23 ± 0.21 mg/100g), Zn (1.86 ± 0.04 mg/100g), Cu (0.64 ± 0.49 mg/100g), and nitrogen (174.16 ± 4.57 mg/100g). Cadmium (Cd) was undetectable, indicating no toxic heavy metal contamination. These findings suggest that PKSO is safe edible oil with oderate mineral content, contributing to essential dietary micronutrient intake.However, its relatively low Fe and Zn levels necessitate complementary dietary sources. The absence of toxic metals highlights its safety, but ongoing monitoring is recommended to prevent environmental contamination. This study underscores the nutritional value and safety of PKSO, contributing to food quality control and public health areness.