摘要
研究了极大螺旋藻（Spirulina maxima）在实验室培养和规模化中试培养条件下，在其培养基中添加20×10^-6Na2SeO3后，硒在其细胞中的分布特点及对生化组成的影响。结果表明，硒在细胞中的质量比可达126．7μg／g（实验室培养），甚至高达606．5μg／g（中试培养），其中主要分布于细胞中的蛋白质中，占总硒的69．4％（实验室培养），甚至可达94％（中试培养），比对照组增长了33．4％；糖类和脂类中硒仅占小部分，糖类1．4％，脂类2．7％～3．5％。20×10^-6Na2SeO3的存在没有影响极大螺旋藻的生长，生物量反而提高了6．0％；其中糖类提高了49．6％，脂类25．0％，但蛋白质下降了11．1％。
The paper reports on character of selenium on contents of major biochemical components in lab and a distribution in Spirulina maxima cells and its effect large-scale culture when we add 20 × 10^-6 Na2SeO3 into the culture media. The results show that the selenium content of cells is 126.7 μg/g（in lab）, even highly reaches 606.5 μg/g（in the large-scale）. Selenium is mainly distributed in protein, accounting for 69.4% of the total selenium（in lab）, even 94 % （in the large-scale）, which relatively increases 33.4 % compared with the comparison group; Selenium contents of saccharides and lipids are only a fraction of the total selenium, respectively accounting for 1.4% and 2.7%-3.5%. The existence of 20× 10^-6 selenium does not affect the growth of S. maxima, contrary, increases its biomass（6.0 %） ; Therein, the contents of saccharides and lipids respectively increase 49.6% and 25.0% respectively, but the content of proteins decreases 11.1%.
出处
《海洋科学》
CAS
CSCD
北大核心
2007年第2期31-34,共4页
Marine Sciences
基金
福建省政府重中之重专项基金资助项目
