Sürdürülebilir Kalkınma Amaçları
Yayınlar
- MakaleAçık Erişim2023Scopus SJRQ3The characterization of the non-starter lactic acid bacteria and yeast microbiota and the chemical and aromatic properties of traditionally produced Turkish White Cheese
Macit, Emine; Yücel, Nur; Dertli, Enes
Turkish White Cheese is a brined (or pickled) cheese with a salty, acidic flavor and a soft or semi-hard texture. It is the most produced and consumed type of cheese in Turkey. The purpose of this study was to determine the non-starter lactic acid bacteria and yeast microbiota of traditionally produced Turkish White Cheese and analyze the chemical properties and the aroma profile of the cheese. The results of the study identified 27 distinct strains belonging to 14 the non-starter lactic acid bacteria species and 49 different strains belonging to 11 yeast species. Lactobacillus plantarum was found to be the dominant species among the lactic acid bacteria, while Candida zeylanoides was the dominant yeast species in the White Cheese samples. In addition, Kluyveromyces lactis and Debaryomyces hansenii were prominent yeast species in cheese samples. Turkish White Cheese samples had different aromatic properties. The study is highly significant as it anaylzed both non-starter lactic acid bacteria and yeast microbiota of traditionally produced Turkish White Cheese through molecular methods. It also determined and analyzed a number of chemical and aromatic properties of White Cheese.
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İncele - MakaleAçık Erişim2019Effects of Some Stabilizers on the Textural Properties of Set-Type Yogurt
Macit, Emine; Karaoglu, M. Murat; Bakirci, Ihsan
This study was conducted to investigate the effect of various stabilizers on textural properties of set yogurt. Yogurt samples were prepared by using seven various stabilizers such as sodium caseinate, gelatin, carrageenan, xanthan gum, guar gum, locust bean gum and native corn starch. Control group samples were produced without using stabilizer. Textural analyzes were made with a TA-XT2i texture analyzer. As a result of the statistical analysis, it was determined that stabilizer and storage time had a significant effect (p<0.01) on all texture parameters of yogurt samples, the relaxation force values were not affected by only storage period (p>0.05). In conclusion, Nacaseinate was the most suitable stabilizer for yogurt texture compared to all stabilizers. These findings may contribute to the selection of stabilizer material or preparation of stabilizer mixtures that can be used in the production of set type yogurt for developing different textural parameters.
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İncele - MakaleAçık Erişim2018Scopus SJRQ1Microbial species playing roles for the production of traditional Kasar cheese during pre-maturation period
Yuvaşen, Ayşe; Macit, Emine; Dertli, Enes
The microbial flora of traditional Kaşar cheese samples obtained from six dairy plants during pre-maturation period of Kaşar maturation was analysed. In total, 500 isolates of none-starter lactic acid bacteria (NSLAB) and 80 fungi isolates were isolated, and they were subjected to molecular discrimination by RAPD-PCR and rep-PCR analysis. Genotypic characterization of these isolates revealed the presence of 45 distinct strains belonging to 13 different NSLAB species with Lactobacillus paracasei as the dominant species. A rich yeast microflora in Kaşar samples was also observed with the presence of 19 distinct strains belonging to 8 different species with Pichia kudriavzevii as the dominant species. During this period, only two Penicillium species were found in Kaşar samples. This study confirmed the biodiversity of NSLAB and fungi microflora of Kaşar cheese during pre-maturation period, and these results are important for the development of starter cultures for Kaşar production at industrial level.
AtıfScopus18WoS14OpenAlex22İncele - MakaleAçık Erişim2017The Possibilities of Using Some Spice Essential Oils in Ice Cream Production
Macit, Emine; Çaglar, Abdullah; Bakirci, Ihsan
In present study, some physical, chemical, sensory and microbiological characteristics of ice cream samples produced by using 4 different essential oils (Coconut, lemon bark, clove and cinnamon) in 2 different levels (0.2% and 0.4%) were investigated. The findings indicated that although the addition of essential oil was not significantly effective on the physical and chemical properties of ice cream samples (P>0.05), the melting rates increased during storage. The sample with 0.2% coconut essential oil was the most favorite sample in sensory evaluations, while the sample with 0.4% clove essential oil was the least favorite sample. In general, samples with 0.2% essential oil were more appreciated than samples with 0.4%. It has been determined that ice cream samples conformed to TS 4265 Ice Cream Standard (Turkish Standard) in terms of microbiological properties. With this study, it was determined that some essential oils can be used as a natural aroma substance in the production of ice cream.
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