Comprehensive Study of the Physicochemical Properties of Royal Jelly from Various Regions of Türkiye.

Autor: Beykaya M; Republic of Türkiye Ministry of Agriculture and Forestry, General Directorate of Agricultural Research and Policies, Ankara, Türkiye., Inkaya NN; Hacettepe University, Faculty of Engineering, Department of Food Engineering, Beytepe Campus, 06800, Ankara, Türkiye., Yorulmaz Onder E; SBS Bilimsel Bio Çözümler Inc. Bee&You Propolis R&D Center, 34775, İstanbul, Türkiye., Arici YK; Ordu University, Faculty of Medicine, Department of Biostatistics and Medical Informatics, Ordu, Türkiye., Sahin H; Giresun University, Espiye Vocational School, Espiye, 28600, Giresun, Türkiye.
Jazyk: angličtina
Zdroj: Chemistry & biodiversity [Chem Biodivers] 2023 Sep; Vol. 20 (9), pp. e202300881. Date of Electronic Publication: 2023 Aug 21.
DOI: 10.1002/cbdv.202300881
Abstrakt: This study analysed some physicochemical and quality parameters of 176 royal jelly (RJ) samples from different regions of Türkiye, collected over different years and seasons. According to the obtained results, the moisture percentage varied between 47.36 % and 69.58 %, with no statistically significant differences seen across various seasons and areas (p>0.05). The average value of 10-hydroxy-2-decenoic acid (10-HDA), which varies according to factors such as season, region, and year, was determined to be 2.32 %. It was also seen that this value was close to the international standard. The values of total acidity ranged from 28-58 mL 1 N NaOH/100 g. Furthermore, statistical significance (p<0.001) was observed for the year-region interaction in relation to 10-HDA and total acidity. The pH measurement results for all samples confirmed the acidic nature of the samples and resulted in a range between 3.45 and 3.80. And the pH variability was also found to be statistically significant for years (p=0.002) and regions (p=0.011). Finally, the correlation analysis between moisture (%), 10-HDA (%), total acidity, and pH revealed no statistically significant or strong differences. This comprehensive study, supported by statistical analyses, is thought to be a useful reference for future research on RJ.
(© 2023 Wiley-VHCA AG, Zurich, Switzerland.)
Databáze: MEDLINE
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