The article contains information about determination composition of anthocyanins of frozen fetuses of black chokeberry (Aronia melanocarpa) which grow in Yenisei  and Shushensky districts of the Krasnoyarsk krai by HPLC with UV detection. Describes the conditions for optimal  extraction of anthocyanin with water and different concentrations ethyl hydroxide. Comparative analysis of the qualitative composition and quantitative content of anthocyanin.