Vitamin C contributing to the more severe symptoms of scurvy. More generally, the biochemical role of vitamin C is to act as an antioxidant (a reducing agent) by donating electrons to various enzymatic and non-enzymatic reactions. Doing so converts vitamin C to an oxidized state - either as semidehydroascorbic acid or dehydroascorbic acid. These compounds can be restored to a reduced state by glutathione and NADPH-dependent enzymatic mechanisms. In plants, vitamin C is a substrate for ascorbate peroxidase. This enzyme utilizes ascorbate to neutralize toxic hydrogen peroxide (HO) by converting it to water (HO). Scurvy is a disease resulting from a deficiency
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