工业微生物2024，Vol.54Issue(3)：185-188,4.DOI:10.3969/j.issn.1001-6678.2024.03.051
盐胁迫对小球藻胞外多糖积累及抗氧化性的影响
Effects of Salt Stress on Extracellular Polysaccharide Accumulation and Antioxidant Activity of Chlorella
冯庆玲 1叶招权 1林艺群 1张诗涵1
作者信息
- 1. 闽南科技学院生命科学与化学学院,福建南安 362311
- 折叠
摘要
Abstract
The effects of salt stress on extracellular polysaccharide accumulation and antioxidant activity of Chlorella were studied,and other physiological indexes were analyzed.The results indicate that the exopolysaccharide yield of Chlorella was 0.065 3 mg/mL,the scavenging rate of hydrogen peroxide is 11.96％,and the scavenging rate of DPPH free radical is 0.98％under no salt stress.When the saltconcentration is 6 g/L,the exopolysaccharide yield reached 0.114 3 mg/mL,the hydrogen peroxide clearance rate is 44.57％,and the DPPH free radical clearance rate is 3.25％.Meanwhile,the chlorophyll content is 8.7 mg/L,the protein content is 162.62 ug/mL,and the malondialdehyde content is 165.83 umol/mL,which are all the hingest in the experimental group.It indicates that theappropriate concentration of saltstress can improve the accumulation of extracellular polysaccharide and the synthesis of other effective products of Chlorella.关键词
盐胁迫/小球藻/胞外多糖/抗氧化性Key words
salt stress/Chlorella/extracellular polysaccharide/antioxidant activity引用本文复制引用
冯庆玲,叶招权,林艺群,张诗涵..盐胁迫对小球藻胞外多糖积累及抗氧化性的影响[J].工业微生物,2024,54(3):185-188,4.
