在相同培养条件下,比较了5株不同来源螺旋藻的生长性能和品质参数。结果显示,螺旋藻S3在生长性能上具有很强的优势,其生长速率和光能利用率分别达到0.11 g/(L·d)和1.91%,蛋白质含量为57.95%,藻丝浮性、藻胆蛋白、叶绿素a、类胡萝卜素的含量均较高。同时以蛋白质含量和生长速率为评价指标,采用综合评分法,获得综合评分最高的1株优良藻株S3。因此,可以选用螺旋藻S3作为生产藻株。

Under the same culture conditions,growth performances and quality characteristics of five strains of Spirulina were studied through analysis of growth parameters and biochemical compositions.Among these five strains,the S3 strain showed a strong advantage in growth performance,of which the growth rate and light use efficiency were 0.11 g /(L · d) and 1.91%,respectively.The content of protein was 57.95%.Compared with other Spirulina strains,the S3 strain had higher flotation activity and higher contents of phycobiliprotein,chlorophyll a and carotenoid.Simultaneity,using the content of protein and growth rate as evaluation indexes,the excellent Spirulina strain S3 was obtained through colligation score.The result indicated that the strain S3 could be selected for large scale cultivation.