ANNEXSupplementary provisions
ANNEX SPECIFICATION OF UV-TREATED BREAD Definition: UV-treated bread is yeast leavened bread and rolls (without toppings) to which a treatment with ultraviolet radiation is applied after baking in order to convert ergosterol to vitamin D 2 (ergocalciferol). UV radiation: a process of radiation in ultraviolet light within the wavelength of 240-315 nm for maximum of 5 seconds with energy input of 10-50 mJ/cm 2 . Vitamin D 2 : Chemical name (5Z,7E,22E)-3S-9,10-secoergosta-5,7,10(19),22-tetraen-3-ol Synonym Ergocalciferol CAS No 50-14-6 Molecular weight 396,65 g/mol Contents: Vitamin D 2 (ergocalciferol) in the final product 0,75-3 μg/100 g ( 1 ) Yeast in dough 1-5 g/100 g ( 2 ) ( 1 ) EN 12821, 2009, European Standard. ( 2 ) Recipe calculation.