Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

Permanent URI for this collectionhttps://hdl.handle.net/11147/7148

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  • Article
    Effects of Cultivation Temperature on Protein Production of Selected Spirulina Strains Under Photobioreactor Conditions
    (Elsevier, 2026) Binkanat, Tahir Burak; Ozkan, Altan
    Spirulina is cultivated industrially for food supplement applications due to its high protein content and protein quality. This study assessed the influence of cultivation temperature on the productivity of widely accessible, protein-rich Spirulina strains under standardized bubble column photobioreactor conditions, with the goal of identifying strains with consistently high nutritional value across varying temperatures and culture age for outdoor applications. Five strains were first screened for protein content at 30 degrees C, and three with protein contents >60 % dry biomass were selected for cultivation at 25 degrees C, 35 degrees C, and 40 degrees C. Protein content was measured daily to determine variations, and protein quality was assessed at log and stationary growth phases. The metal content was analyzed to assess the toxic heavy metal bioaccumulation potential. At the optimum temperature of 35 degrees C, the strains had similar biomass productivities. However, the protein contents were highly temperature and strain-specific. Based on the strain, under identical process conditions, a relatively stable protein content of around 65 % or a content variation from 30 to 70 % was observed through the cultivation. Growth at 25 degrees C lowered the biomass productivity without affecting the protein contents, and growth at 40 degrees C lowered both parameters. S. platensis UTEX 2340 had consistently the highest protein quality, reflected by its higher cumulative essential amino acid contents and essential amino acid index scores. However, at 35 degrees C, the strain also had a mercury content exceeding the safety limits set for food supplements. These findings demonstrate the importance of strain selection and cultivation temperature in maintaining the nutritional value of Spirulina-based products.
  • Article
    The Role and Potential Sources of Sustainable Plant-Based Foods: a Look to the Future
    (Sidas Medya A.S., 2025) Çakıtlı, G.; Nurko, E.
    The food industry, influenced by environmental issues such as global warming and climate change, is undergoing significant changes towards establishing a sustainable food system. This system prioritizes reducing the adverse impacts on our natural resources while ensuring sufficient and nutritious foods. Despite animal sources being rich in nutrients, consumer concerns regarding sustainability are increasing the search for alternative sources. With growing consumer interest in sustainable and healthy choices, there is an increasing demand for plant-based food sources. Plant-based protein sources generally include seeds, legumes, nuts, and oilseeds. Plant-based proteins are not only consumed as a food but also valued for their potential for various techno-functional properties in the food industry. Plant-based foods are both good sources for proteins and high in fiber, vitamins, and minerals. This study focuses upon the impact of a developing world and increasing population on plant-based foods, their nutritional value, and potential applications. © 2025 Sidas Medya A.S.. All rights reserved.