发明名称 |
Process for producing microbial fat or oil having lowered unsaponifiable matter content and said fat or oil |
摘要 |
A process for producing a crude oil having lowered unsaponifiable matter content and/or ester-type sterol content and comprising a highly unsaturated fatty acid as a constituent fatty acid, characterized in that a microorganism capable of producing a fat or oil comprising an unsaturated fatty acid as a constituent fatty acid is cultured in a medium containing a nitrogen source concentration of 2 to 15% within a culture tank equipped with an agitation impeller satisfying the requirement that the ratio of the diameter of agitation impeller (=d) to the inner diameter of the culture tank (=D) is d/D=0.30 to 0.6.
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申请公布号 |
US7709236(B2) |
申请公布日期 |
2010.05.04 |
申请号 |
US20050530747 |
申请日期 |
2005.05.02 |
申请人 |
NIPPON SUISAN KAISHA, LTD. |
发明人 |
AKIMOTO KENGO;HIGASHIYAMA KENICHI;KAWASHIMA HIROSHI;SUMIDA MOTOO |
分类号 |
C12P7/64;A23D9/02 |
主分类号 |
C12P7/64 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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