Průmyslové využití
Industrial
Produced from glucose by two main routes
- Both processes yield approximately 60% vitamin C from the glucose feed [12]
The Reichstein process
- Developed in the 1930s
- Uses a single pre-fermentation
- Followed by a purely chemical route [12]
Modern two-step fermentation process
- Originally developed in China in the 1960s
- Uses additional fermentation to replace part of the later chemical stages [12]
- Estimated at approximately 110,000 tonnes annually in 2000
- Main producers were
- BASF/Takeda,
- DSM,
- Merck
- China Pharmaceutical Group Ltd.
- DSM plant in Scotland
- World price of vitamin C rose sharply in 2008
- Result of rises in basic food prices
- Anticipation of a stoppage of the two Chinese plants
- Situated at Shijiazhuang near Beijing
- Part of a general shutdown of polluting industry in China [12]
