Pro-vitamin (Ergosterol) + ultra-violet light = vitamin d (anti-rachitic) : Vitamin D in the 'Allenburys' foods.

In copyright

It is possible this item is protected by copyright and/or related rights. You may be able to use this digital item under a copyright exception, otherwise you need to obtain permission from the rights-holder(s). These may be identified elsewhere in the catalogue record. Read more about copyright.

Read further guidance on copyright exceptions in the UK.

Credit

Pro-vitamin (Ergosterol) + ultra-violet light = vitamin d (anti-rachitic) : Vitamin D in the 'Allenburys' foods. In copyright. Source: Wellcome Collection.