Process for producing microbial fat or oil having lowered unsaponifiable matter content and said fat or oil

Process for producing microbial fat or oil having lowered unsaponifiable matter content and said fat or oil

  • CN 1,703,516 A
  • Filed: 10/09/2003
  • Published: 11/30/2005
  • Est. Priority Date: 10/11/2002
  • Status: Active Application
First Claim
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1. plant and prepare not saponifiable content and/or ester type sterol content and reduce and comprise the method for high unsaturated fatty acid as the raw oil of constituents fats acid, it is characterized in that in incubator, in the substratum that contains the 2-15% nitrogen concentration, cultivating to produce and comprise fat or the oily microorganism of unsaturated fatty acids as constituents fats acid, equipping paddle wheel in the described incubator, satisfy paddle wheel diameter (=d) (=D) ratio is the requirement of d/D=0.30 to 0.6 with the incubator internal diameter.

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