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Author: search.filters.author.Pan-utai, WanidaSubject: search.filters.subject.Arthrospira

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    Item type:Publication,
    Arthrospira Cell Residues for Lactic Acid Fermentation as Bioproducts From Waste Utilization
    (2022-06-13)
    Pan-utai, Wanida
    ;
    Thitiprasert, Sitanan
    ;
    Pornpukdeewattana, Soisuda
    Arthrospira (Spirulina) platensis is a freshwater cyanobacterium that is commercially produced as a food source on a global scale and considered safe for human consumption. After C-phycocyanin (C-PC) extraction, the waste cell residue (WCR) is composed of nutrients with 30% protein content. Here, the potential of WCR as a nitrogen source for Bacillus coagulans cultivation and bioproducts was evaluated. Nitrogen substitute from WCR under different conditions of 20—100 g L<sup>−1</sup> was performed. B. coagulans cultivation was achieved with maximal viable cells at 7.6–9.5 log CFU mL<sup>−1</sup>. Increasing WCR gave decreasing lactate production. The highest lactate production at 27 g L<sup>−1</sup> was achieved from WCR 20 g L<sup>−1</sup>, highlighting the potential use of A. platensis waste biomass residue as a nitrogen source for the growth of lactic acid bacteria and zero-waste biotechnology methodology. The utilization of renewable resources is a crucial step toward developing a sustainable industrial society.
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