The product was developed by a team headed by chemist Tadeusz Reichstein, who discovered a method of synthesizing 30-40 g of vitamin C from 100 g of glucose. This used an intermediate step of creating sorbose using an ingenious bacterial fermentation method discovered by a French researcher, Gabriel Bertrand. In this method, fruit flies were attracted to a mixture of wine, vinegar, yeast bouillon, and sorbitol, a substance easily chemically prepared from glucose. Flies which fed upon sorbitol as a major food subtrate excreted bacteria which were able to synthesize sorbose from sorbitol. Using the bacteria, within a few days, it was possible to create 50 grams of sorbose using this method, and it was then easy to synthesise ascorbic acid from this.
Despite concern about using the wild strain of bacteria for fermentation-production of sorbose, the process was superior to a rival method of Szent-Gyorgyi which isolated Vitamin C from capsicum. After sale of the Reichstein process patent to Hoffmann-La Roche, this process became the basis of the corporation's large-scale production of vitamin C.
The commercial tablets are compounded from ascorbic acid and sodium bicarbonate. When these are added to water, they react to produce sodium ascorbate, water and carbon dioxide, thus producing a pleasant effervescence.
Redoxon is made by Bayer, and sold world-wide.
In addition to Redoxon vitamin C, Redoxon Vita Immune tablets are also produced. Each one contains:
|Vitamin C||1000 mg|
|Vitamin A||2333 IU|
|Vitamin B6||6.5 mg|
|Vitamin B12||9.6 ug|
|Vitamin D||400 IU|
|Vitamin E||45 mg|
|Folic Acid||400 ug|
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