... properties:Light Yellow PowderPicture: Riboflavin (E101), also known as vitamin B2, is an easily absorbed micronutrient with a key ... legumes such as mature soybeans, yeast and almonds[citation needed] are good sources of vitamin B2, but exposure to light destroys ... , breakfast cereals, pastas, sauces, processed cheese, fruit drinks, vitamin-enriched milk products, some energy drinks, and is widely used ...