Variation of Spirulina maxima biomass production in different depths of urea-used culture medium
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Title
- Variation of Spirulina maxima biomass production in different depths of urea-used culture medium
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Author(s)
- Affan, Md-Abu; Lee, Dae-Won; Al-Harbi, Salim Marzoog; Kim, Han-Jun; Abdulwassi, Najah Ibrahim; Heo, Soo-Jin; Oh, Chulhong; Park, Heung-Sik; Ma, Chae Woo; Lee, Hyeon-Yong; Kang, Do-Hyung
- KIOST Author(s)
- Lee, Dae Won(이대원); Kim, Han Jun(김한준); Heo, Soo Jin(허수진); Oh, Chul Hong(오철홍); Park, Heung Sik(박흥식); Kang, Do Hyung(강도형)
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Alternative Author(s)
- 이대원; 김한준; 허수진; 오철홍; 박흥식; 강도형
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Publication Year
- 2015-10
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Abstract
- Fewer studies have assessed the outdoor cultivation of Spirulina maxima compared with S. platensis, although the protein content of S. maxima is higher than S. platensis. Spirulina growth medium requires an increased amount of NaHCO3, Na2CO3, and NaNO3, which increases the production cost. Therefore, the current study used a low-cost but high-efficiency biomass production medium (Medium M-19) after testing 33 different media. The medium depth of 25 cm (group A) was sub-divided into A1 (50% cover with a black curtain (PolyMax, 12 oz ultra-blackout), A2 (25% cover), and A3 (no cover). Similarly the medium depths of 30 and 35 cm were categorized as groups B (B1, B2, and B3) and C (C1, C2, and C3), respectively, and the effects of depth and surface light availability on growth and biomass production were assessed. The highest biomass production was 2.05 g L-1 in group A2, which was significantly higher (p < 0.05) than that in all other groups and sub-groups. Spirulina maxima died in B1 and C1 on the fifth day of culture. The biochemical composition of the biomass obtained from A2 cultures, including protein, carbohydrate, lipid, moisture, and ash, was 56.59%, 14.42%, 0.94%, 5.03%, and 23.02%, respectively. Therefore, S. maxima could be grown outdoors with the highest efficiency in urea-enriched medium at a 25-cm medium depth with 25% surface cover or uncovered.
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ISSN
- 1517-8382
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/2394
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DOI
- 10.1590/S1517-838246420140188
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Bibliographic Citation
- BRAZILIAN JOURNAL OF MICROBIOLOGY, v.46, no.4, pp.991 - 1000, 2015
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Publisher
- SPRINGER
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Subject
- DIFFERENT NITROGEN-SOURCES; CULTIVATION; PLATENSIS; TOXICITY; AMMONIA; GROWTH
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Keywords
- Spirulina maxima; fertilizer-grade urea; medium depth; surface cover; outdoor mass culture
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Type
- Article
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Language
- English
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Document Type
- Article
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