Development of analytical methods and method validation for the qualitative and quantitative determination of Carboxymethyl Cellulose (CMC) in yogurt and ayran
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February 2Erişim
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Scopus EXPORT DATE: 29 September 2024 @ARTICLE{Ergüney2025, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85203622499&doi=10.1016%2fj.foodhyd.2024.110587&partnerID=40&md5=1182e63aa0dc3cff3238a539cd33c760}, affiliations = {Gümüşhane University, Faculty of Engineering and Natural Sciences, Department of Food Engineering, Gümüşhane, 29100, Turkey}, correspondence_address = {E. Gündoğdu; Gümüşhane University, Faculty of Engineering and Natural Sciences, Department of Food Engineering, Gümüşhane, 29100, Turkey; email: engingundogdu@gumushane.edu.tr}, publisher = {Elsevier B.V.}, issn = {0268005X}, coden = {FOHYE}, language = {English}, abbrev_source_title = {Food Hydrocolloids} }Özet
This study presents the development and validation of analytical methods for the qualitative and quantitative determination of Carboxymethyl Cellulose (CMC) in yogurt and ayran. The methods were evaluated for their detection limit (LOD), quantification limit (LOQ), and method detection limit (MDL) across multiple samples, demonstrating robust sensitivity with MDL and LOD values of 0.03% for both yogurt and ayran. Recovery studies showed high accuracy, with recovery rates between 98% and 100%, and consistent recovery within the acceptable range of 97–103%, reinforcing the methods' reliability. The quantitative analysis exhibited strong repeatability and reproducibility, with low relative standard deviations (RSDr and RSDR), confirming minimal intra-day and inter-day variability. The calibration curves for CMC analysis demonstrated excellent linearity with high coefficients of determination (R2 = 0.9985 for yogurt and 0.9951 for ayran), ensuring accurate quantification over a wide concentration range. Measurement uncertainty analysis further validated the methods' precision and accuracy, showing low relative uncertainties for trueness, repeatability, and reproducibility. Robustness evaluations indicated that the methods maintained consistent recovery rates despite variations in pH, heating time, and sample quantity, highlighting their reliability under different conditions. For qualitative analysis, the visual images method showed exceptional performance with perfect sensitivity and specificity, accurately identifying all positive and negative samples without any false positives or negatives. This high level of accuracy makes the visual images method a valuable tool for ensuring product safety and compliance with quality standards in the dairy industry. Overall, the validated analytical methods for CMC detection in yogurt and ayran demonstrated high precision, accuracy, and reliability, making them essential for quality control and regulatory compliance in dairy production. © 2024 Elsevier Ltd
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https://www.scopus.com/record/display.uri?eid=2-s2.0-85203622499&origin=SingleRecordEmailAlert&dgcid=raven_sc_affil_en_us_email&txGid=413308f96609d7c811d702f16a53661bhttps://hdl.handle.net/20.500.12440/6322