Selenium is a reddish powder that becomes black when exposed to air. Exists in amorphous (red or black) and crystalline forms. Boiling point is 1265°F, melting point is 392°F. Insoluble in water and alcohol, denser than water
Selenomethionine is a naturally occurring amino acid. Found in Brazil nuts, cereals, soybeans, and grassland legumes. Readily oxidizes and is incorporated randomly instead of methionine
Sodium selenite (Na2SeO3) is a colorless solid. Pink pentahydrate Na2SeO3(H2O)5 is most common water-soluble selenium compound. Prepared by reaction of selenium dioxide with sodium hydroxide. Contains pyramidal SeO32− anion with Se-O distances 1.67-1.72 Å
Large tree reaching 50 meters tall with trunk diameter of 1-2 meters. Can live up to 500 years, often reaching 1000 years. Produces large capsules containing 8-24 seeds weighing up to 2 kg. Flowers are small, greenish-white, and bloom in 14 months
Chicken provides high protein and essential minerals like selenium and iron. Chicken leg contains most protein (61.9g) and selenium (100% DV). Chicken thigh contains 16.9g protein and 7.5g fat. Chicken breast provides 32.1g protein and 3.24g fat
DRVs provide scientific basis for nutrient intake recommendations. Nutrient requirements vary by age, gender, activity level and health status. DRVs include AR, PRI, AI, RI and UL values