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Effects of Different Environmental Factors on the Growth and Bioactive Substance Accumulation of Porphyridium purpureum

Author

Listed:
  • Xudan Lu

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Fangru Nan

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Jia Feng

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Junping Lv

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Qi Liu

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Xudong Liu

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

  • Shulian Xie

    (School of Life Science, Shanxi University, Taiyuan 030006, China)

Abstract

Genus Porphyridium is a primitive single-celled red algae widely distributed in seawater, freshwater, and moist soil. It can synthesize bioactive substances such as phycoerythrin, extracellular polysaccharides and polyunsaturated fatty acids during the growth process. In this paper, the culture and bioactive substance yield of Porphyridium purpureum were studied by setting salinity, nitrogen-to-phosphorus ratio, and pH at different gradient levels. The results showed that the optimal conditions for the growth of P. purpureum were salinity 34 ppt, nitrogen-to-phosphorus ratio 169:1, and pH 8; the optimal conditions for obtaining the polysaccharides were salinity 17 ppt, nitrogen-to-phosphorus ratio 14:1, and pH 8; the optimal conditions for obtaining phycoerythrin were salinity 17 ppt, nitrogen-to-phosphorus ratio 68:1, and pH 8; the optimal conditions for obtaining the lipids were salinity 34 ppt, nitrogen-to-phosphorus ratio 1:1, and pH 8. In actual production applications, culture conditions should be set according to different product accumulation purposes in order to achieve the optimal production efficiency.

Suggested Citation

  • Xudan Lu & Fangru Nan & Jia Feng & Junping Lv & Qi Liu & Xudong Liu & Shulian Xie, 2020. "Effects of Different Environmental Factors on the Growth and Bioactive Substance Accumulation of Porphyridium purpureum," IJERPH, MDPI, vol. 17(7), pages 1-14, March.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:7:p:2221-:d:337333
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