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This study determined the nutrient composition, phytochemical, and antibacterial activity of atung seed ( Parinarium glaberrimum  Hassk.) as a photobiotic candidate in poultry ration. Analysis of seed nutrient includes proximate analysis, calcium, phosphorus, and gross energy. Qualitative analysis of phytochemical compounds of atung seed extract using the thin layer chromatography method. Antibacterial test on pathogenic and non-pathogenic bacteria used agar diffusion method with eight concentrations of atung seed and tetracycline as a positive control. Data of nutrient composition and phytochemical components were analyzed descriptively. Data of antibacterial test was analyzed by analysis of variance using nine treatments and four replications. The results showed that the atung seed contains 75.08% nitrogen-free extract and 5847.78 kcal/kg gross energy. Atung seed contains phenol compounds, tannins, flavonoids, saponins, and alkaloids. Atung seed has a moderate to strong inhibition of pathogenic bacteria  Escherichia  coli ,  Salmonella  sp.,  Salmonella pullorum , and  Staphylococcus aureus . In contrast, the seed has a weak inhibition against  Bifidiobacterium bifidum . It can be concluded that atung seed has the potential as a phytobiotic candidate based on phytochemical components and their ability to inhibit the growth of pathogenic bacteria.

iop conference series. earth and environmental science

Potential of atung seeds (Parinarium glaberrimumHassk.) as a phytobiotic candidate in poultry ration based on nutrient composition, phytochemical and antibacterial properties