In this assay, ferrous ions are oxidized to ferric ions in the presence of various oxidants under acidic conditions, forming a color complex measured at 658 nm using the same spectrophotometer
Though the idea was simple enough, the research and development to create such a product was surprisingly extensive
Searching for native strains of folate-producing microbes from different niches (ethnic foods, fruits, vegetables, cereals, vegetation, animals, soil, and so on) is very important for the development of novel in situ fortified products 103,146,258,818,827,832,834,837,843,847,852,853,855,856,858,859,860,861,862,863,864,865
Disentangling the two requires a needling-plus-vehicle control arm, which many reports lack
A vendor selling 100mg at $65 ($0.65/mg) beats one selling 50mg at $45 ($0.90/mg), all else equal