h i g h l i g h t s
Sporobolomyces ruberrimus H110 produced carotenoids from glycerol with high yield.
Carotenoids were identified as torularhodin, torulene, b-carotene and c-carotene.
Raw glycerol presented higher yield and productivity when compared to pure glycerol.
Addition of fatty acids to pure glycerol was beneficial for yield and productivity.
The presence of some fatty acids improved the proportion of torularhodin.