Excessive Copper Levels in Cooked Sausages: A Case Study of Local Market Products N Fedoseeva, V Tetdoev, O Sarsembenova, E Sepiashvili and V Gribkova BIO Web Conf., 69 (2023) 03021 Published online: 16 October 2023 DOI: 10.1051/bioconf/20236903021