Vitamin C the inexpensive mass-production of vitamin C. In 1934 Hoffmann–La Roche trademarked synthetic vitamin C under the brand name Redoxon and began to market it as a dietary supplement. In 1907 a laboratory animal model which would help to identify the antiscorbutic factor was discovered by the Norwegian physicians Axel Holst and Theodor Frølich, who when studying shipboard beriberi, fed guinea pigs their test diet of grains and flour and were surprised when scurvy resulted instead of beriberi. By luck, this species did not make its own vitamin C, whereas mice and rats do. In 1912, the Polish biochemist Casimir Funk
The Days of the Turbins people, caused furore. In its first season, in 1926/1927 "The Days of the Turbins" ran for 108 performance, which was a record figure that year for Moscow theatres. Despite numerous attempts at obstructions, it became a huge a hit, especially with the non-party public. The Soviet press panned it, though, and as the time went by, the severity of the criticism increased. In April 1929 the MAT leadership succumbed to the pressure and the production was cancelled. On 28 March 1930 Bulgakov sent a letter to the Soviet government, protesting against the treatment that the play had been subjected to