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当前位置: 首页 > 文章 > 光照对灵芝液体发酵胞外多糖合成的影响 北方园艺 2019 (2) 154-159
Position: Home > Articles > Effect of Light on Exopolysaccharide Synthesis in Liquid Fermentation of Ganoderma lucidum Northern Horticulture 2019 (2) 154-159

光照对灵芝液体发酵胞外多糖合成的影响

作  者：
张业尼;钱磊;刘逸寒;孔庆学;张志军
单  位：
天津市林业果树研究所;天津科技大学生物工程学院;天津农学院食品科学与生物工程学院
关键词：
灵芝;光照;生物量;胞外多糖;蓝光
摘  要：
以灵芝为试验材料,采用干质量法测定生物量,苯酚-硫酸法测定胞外多糖产量,研究了单色LED光照处理对灵芝菌丝体液体发酵合成胞外多糖的影响。结果表明:在80μmol·m~(-2)·s~(-1) LED光照12h条件下,不同LED光照处理均能促进细胞生长和胞外多糖合成,其中白光LED最有利于细胞生长,蓝光LED最有利于胞外多糖合成。综合考虑生物量和胞外多糖产量,以100μmol·m~(-2)·s~(-1)蓝光LED光照10h效果最佳,生物量和胞外多糖产量分别为15.16g·L~(-1)和3.102g·L~(-1),比黑暗处理提高了45.91%和109.74%。光照对灵芝细胞生长和胞外多糖合成具有调控作用,为灵芝液体发酵合成胞外多糖的高效定向生产提供指导。
译  名：
Effect of Light on Exopolysaccharide Synthesis in Liquid Fermentation of Ganoderma lucidum
作  者：
ZHANG Yeni;QIAN Lei;LIU Yihan;KONG Qingxue;ZHANG Zhijun;College of Food Science and Biotechnology,Tianjin Agricultural University;Tianjin Research Institute of Forestry and Pomology;Key Laboratory of Storage of Agro-products,Ministry of Agriculture;College of Biotechnology,Tianjin University of Science and Technology;Key Laboratory of Industrial Fermentation Microbiology,Ministry of Education;
单  位：
ZHANG Yeni%QIAN Lei%LIU Yihan%KONG Qingxue%ZHANG Zhijun%College of Food Science and Biotechnology,Tianjin Agricultural University%Tianjin Research Institute of Forestry and Pomology%Key Laboratory of Storage of Agro-products,Ministry of Agriculture%College of Biotechnology,Tianjin University of Science and Technology%Key Laboratory of Industrial Fermentation Microbiology,Ministry of Education
关键词：
Ganoderma lucidum;;illumination;;biomass;;exopolysaccharide;;blue light
摘  要：
The effects of different LED light treatment on exopolysaccharide synthesis in the liquid fermentation of Ganoderma lucidum were studied.The biomass and the yield of exopolysaccharide were determined by dry weight method and phenol-sulfuric acid method,respectively.The results showed that under the condition of light treatment for 12 hours with intensity of 80μmol·m~(-2)·s~(-1),different LED light treatments could promote cell growth and exopolysaccharide synthesis.White LED light was most conducive to cell growth and blue LED light was best for the synthesis of exopolysaccharides.Taking into account the biomass and the yield of exopolysaccharide,blue LED light treatment for 10 hours with intensity of 100μmol·m~(-2)·s~(-1) had the best effect,the biomass and the yield of exopolysaccharide was 15.16g·L~(-1) and 3.102g·L~(-1),respectively,which was 45.91% and 109.74% higher than those of dark treatment.Light has a regulatory effect on cell growth and exopolysaccharide synthesis,which provided theoretical guidance for efficient production of Ganodermalucidumexopolysaccharide.

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