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    • 7. 发明授权
    • Fungal food
    • 真菌食品
    • US5980958A
    • 1999-11-09
    • US91105
    • 1998-06-12
    • Thomas William NaylorTrevor WilliamsonAnthony Peter Joseph TrinciGeoffrey David RobsonMarilyn Gail Wiebe
    • Thomas William NaylorTrevor WilliamsonAnthony Peter Joseph TrinciGeoffrey David RobsonMarilyn Gail Wiebe
    • A23J1/00A23J3/00A23J3/20A23L1/00A23L1/28C12N1/08C12N1/14C12N15/01C12R1/77A23J1/18
    • C12R1/645A23J1/008A23L31/00
    • A human food product comprises a higher ploidy strain of Fungi imperfecti of which each parent has a genetic growth constraint not shared by the other parent. One parent is for example auxotrophic for two compounds selected from histidine, arginine, leucine and adenine and the other for the other two. The nucleic acid content of the strain is preferably less than 2% by weight. The strain may be made by killing a higher ploidy strain of Fungi imperfecti and simultaneously reducing its nucleic acid content to below 2% by weight by treatment with water. The process may include preparing a higher ploidy strain of edible Fusarium by culturing two auxotrophs thereof together in a medium containing nutrients permitting both to grow and then culturing organisms derived from such culture in minimal medium. The invention is applicable to the production of human food by culturing the strain in conditions such that reversion or partial reversion to the haploid form(s) is minimised.
    • PCT No.PCT / GB96 / 03046 Sec。 371日期:1998年6月12日 102(e)1998年6月12日PCT PCT 1996年12月9日PCT公布。 出版物WO97 / 22686 日期1997年6月26日人类食品包括更高倍性的真菌菌株,其中每个亲本具有不由另一方父母共享的遗传增长限制。 一个亲本是例如两种选自组氨酸,精氨酸,亮氨酸和腺嘌呤的化合物的营养缺陷型,另一种是另外两种。 菌株的核酸含量优选小于2重量%。 可以通过杀死更高倍性的真菌菌株并同时通过用水处理将其核酸含量降低到低于2重量%来制备菌株。 该方法可以包括通过在包含营养物质的培养基中培养两种营养缺陷型营养素来制备较高倍性的可食镰刀菌菌株,所述培养基允许生长,然后在基本培养基中培养来自这种培养物的生物。 本发明适用于通过在使单倍体形式的逆转或部分逆转最小化的条件下培养菌株来生产人类食物。