Robuta

https://pubmed.ncbi.nlm.nih.gov/1141193/ Mutant of the yeast Saccharomycopsis lipolytica that accumulates and excretes protorphyrin IX The red, water-insoluble pigment excreted by a mutant strain of the yeast Saccharomycopsis lipolytica is show to be protoporphyrin IX. In genetic crosses the... of the