E101a – Riboflavin-5'-Phosphate
ColouringDescription
Obtained by phosphorylation of riboflavin (E101), often produced through microbial fermentation or chemical synthesis
Notes
E101a, also known as riboflavin-5'-phosphate, is essentially a modified version of vitamin B2 (riboflavin). It's created by adding a phosphate group to regular riboflavin through a process called phosphorylation. This can be done either by using specially selected microorganisms like bacteria or yeast that naturally produce it during fermentation, or through direct chemical synthesis in a laboratory setting. This additive serves as both a nutritional supplement and a natural yellow-orange food coloring agent. You'll commonly find it in processed foods like breakfast cereals, energy drinks, vitamin-enriched products, and some baked goods where manufacturers want to add both nutritional value and an appealing golden color without using artificial dyes. Since E101a is essentially a form of vitamin B2, it's considered very safe and is actually beneficial to health as an essential B-vitamin. It's suitable for vegetarians and vegans when produced through microbial fermentation, and meets the requirements of most religious dietary laws. Unlike some synthetic colorings, this additive provides actual nutritional benefits while enhancing food appearance.