The present invention is directed to microbial oils that are enriched in their content of polyunsaturated fatty acids, their esters, their acid salts, alcohols formed therefrom, and/or aldehydes formed therefrom. The present invention is further directed to compositions containing the enriched microbial oils and methods of making and using the enriched microbial oils. The present invention is also directed to isolated microorganisms as well as strains and mutants thereof, biomasses, microbial oils, compositions, and cultures； methods of producing the microbial oils, biomasses, and mutants； and methods of using the isolated microorganisms, biomasses, and microbial oils.
