A functional dairy product rich in Menaquinone-7 and FeOOH nanoparticles

Menaquinone-7 (MK-7) has been identified as an essential nutrient in enhancing bone mineral density, bone health, and reducing the risk of osteoporosis. Although there have been worthy achievements in MK-7 fermentation process using Bacillus subtilis natto, the low yield of fermentation, costly downstream extraction and purification processes remain the main challenges. In this research, a new approach was taken to study the feasibility of the...