Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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  • Article
    Almond Cheese Analog Fortified with Microencapsulated Lactiplantibacillus Plantarum DSM 1954: Evaluation of Viability and Quality Parameters Using Different PlantBased Proteins
    (Springer India, 2025) Ozturk, Burcu; Elvan, Mensure; Harsa, Hayriye Sebnem
    The objective of this study was to evaluate the viability of Lactiplantibacillus plantarum DSM1954 encapsulated using plant-based proteins as novel coating materials, when supplemented into almond cheese-analog during storage. Freeze-dried Lb. plantarum strains that were both microencapsulated and non-microencapsulated were added to cheese-analog. A water-in-oil emulsion method was used with a variety of plant-based proteins, including soy, pea, and potato. Microbial analysis, chemical composition, color analysis were conducted on the cheese-analogs. Microencapsulation was successfully achieved with pea and soy proteins, demonstrating encapsulation efficiencies of 85.8% and 86.6%, respectively; however, potato protein concentrate failed to form microcapsules. The viability of microencapsulated cells was higher than 10 log CFU/g during storage. The survivability of Lb. plantarum under acidic conditions was observed to be 0.85 log reduced in microencapsulated cells, whereas 3 log reduction was determined in non-microencapsulated cells. According to the SEM analysis, the diameter of the microencapsulated cells was found to be 0.8-1.5 mu m. Both microencapsulated and non-microencapsulated probiotic cells maintained viability above the probiotic threshold (> 6 log CFU/g) in cheese-analogs during storage. Although plant-based microencapsulation slightly affected the appearance by causing a darker color in cheese-analogs, this novel approach provides a promising alternative for enhancing probiotic stability in plant-based dairy alternatives.
  • Article
    Macromolecular Changes in Cake Baking Process Studied by Fourier Transform Infrared Spectroscopy and Rheometry
    (Springer India, 2025) Ceylan, Cagatay
    Cake baking process was investigated using temperature increase profiles, FTIR spectroscopy, and rheological analysis. Three consecutive linear heating phases were identified, separated by two transition phases. The rheology results aligned well with the heating curve phases, showing two consecutive phases of viscosity decrease followed by a steady linear increase in viscosity during the phase. Each phase was analyzed at three temperature levels: 35 degrees C, 85 degrees C, and 112 degrees C. The FTIR spectroscopy studies did not detect significant changes in the cake batter between room temperature, 35 degrees C and 85 degrees C. However, at 112 degrees C, the samples showed significant increases in lipid peroxidation levels and compounds containing carbonyl bonds. Similarly, in the 112 degrees C cake samples, there was an increase in aggregated beta-sheet secondary structures of proteins and starch gelatinization, along with a concomitant decrease in starch crystallinity.