Journals / Türk Mikrobiyoloji Cemiyeti Dergisi / 2019 / Cilt: 49 - Sayı: 3

The Use of Bacteriocin Produced by Geobacillus toebii HBB 218 to Prevent the Growth of Bacillus coagulans and Geobacillus thermophilus in Canned Food

Geobacillus toebii HBB-218 Tarafından Üretilen Bakteriyosinin Konserve Gıdalarda Bacillus coagulans ve Geobacillus stearothermophilus’u Engellemek Amacıyla Uygulanması

Pages
140–146
Publication Date
2022-11-04
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Conclusion: According to the results of the study, Toebicin 218 has a potential to be used as a biopreservative in canned food against G. stearothermophilus and B. coagulans.

📌 3 Key Takeaways

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Objective & Hypothesis:Objective: Bacteriocins are proteinaceus compounds produced by bacteria and have an inhibitory effect on the development of closely related species.
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Key Findings & Data:In this study, a bacteriocin, which is tentatively named as toebicin 218 produced by Geobacillus toebii strain HBB-218 was used against the growth of Bacillus coagulans DSM 1 and Geobacillus stearothermophilus DSM 22 in canned food.
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Conclusion & Impact:Conclusion: According to the results of the study, Toebicin 218 has a potential to be used as a biopreservative in canned food against G. stearothermophilus and B. coagulans.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: Bacteriocins are proteinaceus compounds produced by bacteria and have an inhibitory effect on the development of closely related species. In recent years, bacteriocins produced by thermophilic bacteria have attracted much attention because of their thermostability which is important for protection of heat-processed food. In this study, a bacteriocin, which is tentatively named as toebicin 218 produced by Geobacillus toebii strain HBB-218 was used against the growth of Bacillus coagulans DSM 1 and Geobacillus stearothermophilus DSM 22 in canned food. Methods: As bacteriocin producer Geobacillus toebii HBB-218 was incubated in liquid medium. After incubation cell-free culture supernatants were lyophilized to estimate activity of bacteriocin in supernatants. Toebicin 218 was tested on vegetative cells and endospores of indicator bacteria inoculated into canned corn, canned pea and tomato paste. B. coagulans DSM 1 and Geobacillus stearothermophilus DSM 22 were used as indicator bacteria. Viable bacterial cells of food samples were counted at different time intervals and compared with control plates. Results: In the experimentl performed using vegetative cells of B. coagulans DSM 1 and Geobacillus stearothermophilus DSM 22, lyophilised bacteriocin induced a gradual decrease in bacterial cell counts. After 24 hours, any viable cell was not observed. The same procedure was also tested with endospores of the bacteria in question. In the experimental set ups established with endospores, when the bacterial counts were examined it was seen bacterial growth was terminated within 2-7 or 7-15 days. Conclusion: According to the results of the study, Toebicin 218 has a potential to be used as a biopreservative in canned food against G. stearothermophilus and B. coagulans.

Özet

Amaç: Bakteriyosinler, bakteriler tarafından üretilen ve üreticiye yakın akraba türlerin gelişmesindeengelleyici bir etki gösteren protein yapıda bileşiklerdir. Son yıllarda, termofilik bakteriler tarafındanüretilen bakteriyosinler, termostabil olmaları nedeniyle ısıl işlem görmüş gıdaların korunmasında dikkatçekmiştir. Bu çalışmada, Geobacillus toebii HBB-218 suşu tarafından üretilen ve toebisin 218 olarakadlandırılan bakteriyosinin konserve gıdalarda Bacillus coagulans DSM 1 ve Geobacillus stearothermophilusDSM 22’nin gelişimine karşı etkisi incelenmiştir.Yöntem: Bakteriyosin üreticisi olan Geobacillus toebii HBB-218 bakterisi sıvı besiyerinde inkübe edilmişve hücresiz kültür sıvıları liyofilize edilerek aktivite hesaplanmıştır. Toebisin 218 olarak adlandırılanbakteriyosin, konserve mısır, konserve bezelye ve salçaya inoküle edilen indikatör bakterilerin vejetatifhücreleri ve endosporları üzerinde test edilmiştir. İndikatör bakteri olarak B. coagulans DSM 1 veGeobacillus stearothermophilus DSM 22 kullanılmıştır. Farklı zaman aralıklarında gıda örneklerindencanlı hücre sayımları yapılmış ve kontrol grubu ile kıyaslanmıştır.Bulgular: B. coagulans DSM 1 ve Geobacillus stearothermophilus DSM 22’nin vejetatif hücreleri ileyapılan deney düzeneğinde liyofilize edilmiş bakteriyosin bakteri hücre sayısında kademeli bir azalmayaneden olmuştur. Yirmi dört saat sonunda ise canlı bakteri hücresine rastlanmamıştır. Aynı işlem, sözkonusu bakterilerin endosporları ile de denenmiştir. Endosporlarla kurulan deney düzeneklerinde, sayımsonuçları incelendiğinde, üremenin 2-7 veya 7-15 günler arasında sonlandığı görülmüştür.Sonuç: Çalışmanın sonuçlarına göre, Toebicin 218’in, konserve yiyeceklerde G. stearothermophilus veBacillus coagulans’a karşı biyokoruyucu olarak kullanılma potansiyeline sahip olduğu görülmüştür.

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Cite This Article

CEYLAN, A. A., BAŞBÜLBÜL, G. (2022). The Use of Bacteriocin Produced by Geobacillus toebii HBB 218 to Prevent the Growth of Bacillus coagulans and Geobacillus thermophilus in Canned Food. Türk Mikrobiyoloji Cemiyeti Dergisi, Cilt: 49 - Sayı: 3, 140–146. https://ajindex.com/articles/635815

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