… Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the …
Explanatory notes
… S ub - Chapter XI PROVITAMINS, VITAMINS AND HORMONES GENERAL This sub-Chapter covers active substances which constitute a … of fairly complex chemical composition, essential for the proper functioning and harmonious development of the animal and vegetable organism. They have mainly a physiological action and are used in …