Traditional fermented foods in Anatolia

Şanlibaba, Pınar; Tezel, Başar Uymaz

doi:10.17306/j.afs.1127

Cited by 1 publication

(1 citation statement)

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“…Yeasts can grow in an acidic environment and may cause undesirable results such as film formation, color changes, and taste deterioration in shalgam [26]. In Turkey, sodium benzoate is widely used in shalgam during production to extend shelf life by suppressing spoilage yeast and mold [27]. The maximum allowable concentration of benzoates in shalgam is set at 200 mg/L [16].…”

Section: Enumeration Of Lab and Yeast In Shalgam Samplesmentioning

confidence: 99%

Effect of Three Different Preservatives on the Microbiota of Shalgam, a Traditional Lactic Acid Fermented Beverage

Mujdeci,

Tanguler,

Macit

et al. 2023

Foods

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Shalgam is a traditional Turkish beverage derived from the natural fermentation of purple carrots (Daucus carota) that boasts valuable antioxidant and prebiotic properties. These features of shalgam increase efforts to enhance its shelf life and ensure safe consumption. In this study, the effects of three different preservatives (sodium benzoate, potassium sorbate, or natamycin) on the physicochemical and microbiological properties of shalgam produced at laboratory scale and stored at room temperature for six months were investigated. Each preservative was used in four different concentrations (25, 100, 400, and 800 mg/L) to assess their impacts on the population of lactic acid bacteria (LAB) and yeast. After determining the total acidity and pH of the samples, colorimetric measurements were performed. The isolated LAB were defined using the matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF/TOF MS) method. The addition of preservatives did not significantly affect the pH of the shalgam samples (3.44–3.52) compared to the control sample (3.43). However, a slight increase was observed in the total acidity of preservative-treated samples, with the highest level (5.61 g/L lactic acid) recorded in samples containing 100 mg/L sodium benzoate. Lacticaseibacillus paracasei subsp. paracasei, which has the potential to impart probiotic properties to shalgam, was the predominant LAB species in both non-treated and preservative-treated samples. The use of preservatives significantly reduced the total number of yeasts, which may cause spoilage in shalgam. The results indicate that using sodium benzoate at a concentration of 100 mg/L is the optimum method for shalgam production, resulting in the highest total acidity value obtained. Overall, the findings provide a significant contribution to prolonging the shelf life of shalgam, a beverage with immense production and consumption potential worldwide.

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Section: Enumeration Of Lab and Yeast In Shalgam Samplesmentioning

confidence: 99%