Pro-vitamin (Ergosterol) + ultra-violet light = vitamin d (anti-rachitic) : Vitamin D in the 'Allenburys' foods.
- Date:
- [between 1930 and 1940?]
Licence: In copyright
Credit: Pro-vitamin (Ergosterol) + ultra-violet light = vitamin d (anti-rachitic) : Vitamin D in the 'Allenburys' foods. Source: Wellcome Collection.
