For citations:
Kalinkina S.P., Kazakova A.A., Sukhanov P.T., Ilyin A.N. Visual and colorimetric methods for rapid determination of total tannins in vegetable raw materials. Proceedings of the Voronezh State University of Engineering Technologies. 2016;(2):223-229. (In Russ.) https://doi.org/10.20914/2310-1202-2016-2-223-229