A quantitative analytical method for the identification and characterization of mineralized nanoparticles in food supplements

摘要

Food supplements play an increasing role in the nanofood market because improvement of effectiveness and efficiency of delivery of bioactive compounds is presumed. An electron microscopic method based on the international Standard ISO 13322-1:2004 was developed for controlling and documenting size, size distribution, surface structure, shape and aggregation state of mineralized food supplement particles. For particle size distribution, a combination of conventional TEM- and SEM-methods, which allows identifying the size distribution of the whole product, is described.