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- MakaleAçık Erişim2026Scopus SJRQ2Physicochemical properties, phytohormone profiles and quality assessment of honey from the Çoruh Valley of Türkiye
Tosun, Murat; Cengiz, Mahir Murat; Erdoğan, Yaşar; Turan, Metin
In this study, seventeen floral honey samples collected from Türkiye’s Çoruh Valley were examined and a total of 59 parameters were analyzed to evaluate their quality attributes. Accordingly, hydroxymethylfurfural (HMF), diastase activity, fructose, glucose, sucrose, total fructose + glucose (F + G), the fructose/glucose ratio (F/G), color and δ13C isotope values were determined together with amino acid profiles, organic acid composition, mineral contents, and phytohormone profiles. All chemical and biological data were evaluated using multivariate statistical approaches, including Principal Component Analysis (PCA), Pearson correlation analysis and Hierarchical Clustering Analysis (HCA), to characterize similarities and differences among the samples. The analytical results demonstrated that honeys from this region comply with established quality standards and exhibit natural purity, balanced chemical composition, and favorable nutritional properties. The detection of diverse phytohormone types and concentrations across the samples, as revealed by the analyses, indicates a rich biochemical signature originating from plant sources. This finding also highlights the functional properties, biological value, and nutritional significance of these honeys. Overall, the results confirm that the floral honeys obtained from Türkiye’s Çoruh Valley are high-quality products in terms of both chemical and biological properties.
- MakaleYalnız künye2023Scopus SJRQ1Nectar honey from Turkey: crystallization and physicochemical profile
Ecem Bayram, Nesrin
Honey is a traditional food used by humans due to many therapeutic properties. Turkey is in a good position for the production of bee products, and honey is the most popular bee product in the country. In this study, the aim was to evaluate the quality parameters of 40 honey samples based on physicochemical parameters and to gain information about speed of crystallization. For this purpose, moisture (%), fructose (%), glucose (%), fructose + glucose (F + G, %), fructose/glucose (F/G), glucose/moisture (G/M), and proline (mg/kg) contents were determined in honey samples and cluster analysis was performed. When the sugar profile of honey samples is examined, F + G was 61.63–78.03%, F/G was 0.99–1.25, moisture content was 14.9–19.1%, and proline content was 384.41–1271.56 mg/kg. These results comply with national standards. Honey samples tend to crystallize quickly when their crystallization properties are evaluated based on F/G and G/M ratios. Consequently, the quality of honey differs according to the region from which it is produced and it is natural for honey to crystallize.
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İncele - MakaleYalnız künye2020Scopus SJRQ4Some physicochemical and microbiological properties of butter produced in Erzurum
Akgül, Halil Ibrahim; Sengül, Mustafa; Ürkek, Bayram; Kotan, Tuba Erkaya; Gürbüz, Zeynep
The goal of this study was to determine some physicochemical and microbiological properties of Erzurum butter. Random samples (n = 30) were collected from different retail markets throughout Erzurum province. The pH, acidity, and melting point values of samples were 3.88, 0.47%, and 30.03 degrees C, respectively. The salt, fat, and moisture values of some samples (sample no 1, 14, and 18) were not harmony with Turkish Food Codex. The highest and lowest peroxide, iodine, saponification, Reichert-Meissl (RM), and Polenske values were found to be in the range of 0-0.51 mEqO2/kg, 22.97-38.64, 195.45-228.54, 17.08-30.-56, and 0.72-1.80, respectively. The refractive index value (RI) was changed from 1.4591 to 1.4620. Total coliforms, aerobic mesophilic bacteria (TAMB), lactic acid bacteria (cultured in MRS and M17), and mould and yeasts mean counts were 1.07 log CFU g-1, 6.79 log CFU g-1, 6.45 log CFU g-1, 6.76 log CFU g-1, and 5.33 log CFU g-1, respectively. There were high differences in physicochemical and microbiological properties of butter might be attributed to a non-standard production process as well as non-standard raw material. In sum, the sanitation and storage conditions should be improved from production to consumption to improve the butter quality.
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