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当前位置: 首页 > 文章 > 一株高产γ-亚麻酸丝状真菌菌株的发酵接种方式研究 食品科学 2005,26 (4) 55-58
Position: Home > Articles > Studies on Inoculation Types of γ-linolenic Acid Fermentation by a High-producing Filamentous Fungus Strain FOOD SCIENCE 2005,26 (4) 55-58

一株高产γ-亚麻酸丝状真菌菌株的发酵接种方式研究

作  者：
戴传超;史央;王安琪;袁志林
单  位：
南京师范大学生命科学学院
关键词：
γ-亚麻酸;根霉;孢子接种;菌丝接种;液体种子
摘  要：
从土壤中筛选到一株高产γ-亚麻酸(GLA)的丝状真菌,GLA占总脂肪酸的12.85%,菌丝含油量为19.70%。经鉴定为根霉属真菌。比较两种不同的接种方式发现,孢子接种发酵所得菌丝体干物质产量、GLA含量以及油脂含量分别比菌丝接种高25.98%、51.90%和43.87%。用菌丝制作液体种子二级发酵,其GLA含量可以达到孢子接种水平,但菌丝生物量仍然低于孢子接种组。
译  名：
Studies on Inoculation Types of γ-linolenic Acid Fermentation by a High-producing Filamentous Fungus Strain
作  者：
DAI Chuan-chao,SHI Yang,WANG An-qi,YUAN Zhi-lin, (College of Biology Science, Nanjing Normal University,Nanjing 210097, China)
关键词：
γ-linolenic acid;Rhizopus sp. ;spore inoculation;mycelia inoculation, liquid seed
摘  要：
A filamentous fungi strain identified as Rhizopus sp., producing high γ-linolenic acid (GLA) was obtained. In its mycelium, GLA amounted to 12.85% of the fatty acid while oil amounted to 19.70% of the mycelia. Two inoculation types were compared. By the spore inoculation the biomass, GLA composition and oil content of the mycelia were respectively 4.17g/L, 18.41% and 28.34%. By using mycelia inoculation gots the results were 25.98%, 51.90%, 43.87% higher than those above respectively. Using the mycelium as the secondary inoculums the final GLA content could reach the same level as that of the spores'; but the biomass could not meet the level of the spore inoculation.

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