%0 Journal Article %T Gas Chromatography in Butter Authentication %A Afanasieva, A.A. %A Danilova, E.S. %A Pirogova, E.N. %A Pavlova, T.A. %K adulteration, sterol composition, fatty acid composition, milk fat, milk fat substitutes, beef fat, spread %J Cheese- and buttermaking %D 2025 %N 0 %P 7 %I Kemerovo State University