ACCUMULATION OF ASCORBIC ACID IN FRESH ECHINACEA PURPUREA PLANTS AND THEIR PROCESSING PRODUCTS Статья Zagumennikov V.B., Molchanova A.V., Babaeva E.Y., Petrova A.L. Pharmaceutical Chemistry Journal. Том 48. 2015. С. 671-674
STUDIES OF NITRATE ACCUMULATION IN FRESH ECHINACEA PURPUREA HERB AND ITS PROCESSED PRODUCTS Статья Zagumennikov V.B., Molchanova A.V., Babaeva E.Y., Petrova A.L. Pharmaceutical Chemistry Journal. Том 47. 2014. С. 596-598