• Title/Summary/Keyword: low salt cucumber brine

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Quality Characteristics of Cucumber Jangachi using Sake Cake (청주박을 이용한 오이장아찌의 품질 특성)

  • Park, Young-Ran;Park, Ji-Hye;Cho, Joeng-Soon
    • Journal of the East Asian Society of Dietary Life
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    • v.25 no.1
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    • pp.131-138
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    • 2015
  • In this study, cucumber Jangachi using Sake cake was prepared and its quality characteristics verified. After preparing various cucumber Jangachi with different salt concentrations, physicochemical characteristics, hardness and sensory evaluation were investigated. Five samples (0%, 3%, 6%, 9% and 12% brine) were used and designated as treatment plots (CJ0, CJ3, CJ6, CJ9 and CJ12, respectively). Higher concentration of brine was associated with reduced pH of cucumber Jangachi and higher total acidity. Salinity decreased significantly as storage period increased. On day 0, it shows similarity to the concentration of brine, whereas it was reduced after day 28. The soluble solid content increased significantly as the storage period increased and decreased slightly after 21 days. Regarding concentration of brine, a higher concentration shows a tendency to increase but the gaps are insignificant. Reducing sugar content increased significantly as the storage period increased. The hardness increased in all treatment plots up to the 14th day, decreased until day 21, and increased thereafter. Following the sensory evaluation, saltiness was not detected in the plots, and CJ6 showed the highest texture score ($4.46{\pm}1.41$). For overall acceptability, CJ6 showed the highest score ($4.33{\pm}1.13$). According to the above results, salinity content of cucumber Jangachi using Sake cake decrease to 0.69~1.52% in 0%, 3%, 6%, 9%, and 12% brine by the 28th day. Despite decreasing salinity, texture and overall acceptability scores were higher than the above results. Thus, we conclude that it is possible to produce low salt cucumber Jangachi of high quality using Sake cake instead of high salt one.

16S rDNA-PCR and RFLP Analysis for rapid identification of Spoilage Bacteria from low Salt Cucumber Brine (저염 발효오이로부터 16S rDNA-PCR과 RFLP분석을 통한 부패균의 신속한 확인)

  • 김재호;장혜영
    • KSBB Journal
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    • v.19 no.1
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    • pp.72-77
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    • 2004
  • The aim of this study was to isolate and identify the spoilage bacteria in the low salt cucumber brine. The PCR amplicons comprising a portion of the 16S rRNA gene of the isolated colonies were directly sequenced and the untrimmed whole sequencing results of the unknown strains were aligned with the type strains using BLAST of NCBI. Then Sequence Aligner and Sequence Match of RDP confirmed the outcome. The identified isolates were eight species and belong to three genuses: Clostridium, Lactobacillus, and Bacillus. The RFLP pattern of the 16S rRNA gene of isolates verified the identified species. From now on the complex spoiling process of law salt fermented cucumber could be analyzed using the isolated species individually or with certain combinations.