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Keywords = Weissella cibaria JW15

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13 pages, 2404 KiB  
Article
Safety Evaluation of Weissella cibaria JW15 by Phenotypic and Genotypic Property Analysis
by Ye-Ji Jang, Hee-Min Gwon, Woo-Soo Jeong, Soo-Hwan Yeo and So-Young Kim
Microorganisms 2021, 9(12), 2450; https://doi.org/10.3390/microorganisms9122450 - 27 Nov 2021
Cited by 22 | Viewed by 3343
Abstract
Weissella cibaria is one of the bacteria in charge of the initial fermentation of kimchi and has beneficial effects such as immune-modulating, antagonistic, and antioxidant activities. In our study, we aimed to estimate the safety of W. cibaria JW15 for the use of [...] Read more.
Weissella cibaria is one of the bacteria in charge of the initial fermentation of kimchi and has beneficial effects such as immune-modulating, antagonistic, and antioxidant activities. In our study, we aimed to estimate the safety of W. cibaria JW15 for the use of probiotics according to international standards based on phenotypic (antibiotic resistance, hemolysis, and toxic metabolite production) and genotypic analysis (virulence genes including antibiotic resistance genes). The results of the safety assessment on W. cibaria JW15 were as follows; (1) antibiotic resistance genes (ARGs) (kanamycin and vancomycin etc.) were intrinsic characteristics; (2) There were no acquired virulence genes including Cytolysin (cylA), aggregation substance (asa1), Hyaluronidase (hyl), and Gelatinase (gelE); (3) this strain also lacked β-hemolysis and the production of toxic metabolites (D-lactate and bile salt deconjugation). Consequently, W. cibaria JW15 is expected to be applied as a functional food ingredient in the food market. Full article
(This article belongs to the Special Issue Benefical Properties and Safety of Lactic Acid Bacteria)
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8 pages, 215 KiB  
Article
Evaluation of Weissella Cibaria JW15 Probiotic Derived from Fermented Korean Vegetable Product Supplementation in Diet on Performance Characteristics in Adult Beagle Dog
by Hao Yang Sun, Kun Phil Kim, Chun Ho Bae, Ae Jin Choi, Hyun Dong Paik and In Ho Kim
Animals 2019, 9(8), 581; https://doi.org/10.3390/ani9080581 - 20 Aug 2019
Cited by 14 | Viewed by 5006
Abstract
This study was conducted to evaluate the effects of dietary supplementation of Weissella cibaria JW15 (WJW15) isolated from traditional Korean fermented vegetable product (kimchi) as a probiotic feed additive on nutrient digestibility, blood profiles, feces noxious gas emission, and feces Escherichia coli and [...] Read more.
This study was conducted to evaluate the effects of dietary supplementation of Weissella cibaria JW15 (WJW15) isolated from traditional Korean fermented vegetable product (kimchi) as a probiotic feed additive on nutrient digestibility, blood profiles, feces noxious gas emission, and feces Escherichia coli and Lactobacillus counts in adult Beagle dogs. In total, 15 Beagle dogs with an average initial body weight of 10.20 ± 0.38 kg were randomly assigned into three dietary treatments in a 14-day feeding trial. Dietary treatments consisted of basal diet (CON); MJW = CON + 50 g of WJW15 (3.0 × 108 cfu/g); and BJW = CON + 50 g WJW15 (3.0 × 109 cfu/g). At the end of the experiment, the serum concentration of triglycerides and feces ammonia emissions were decreased (P < 0.05) with the increasing level of WJW15 supplementation. High-density lipoprotein cholesterol in serum and feces lactic acid bacteria count was improved (P < 0.05) with increasing levels of WJW15. In conclusion, WJW15 isolated from kimchi supplementation in adult Beagle dog diet may have beneficial effects as a probiotic feed additive. Full article
(This article belongs to the Collection Use of Agricultural By-Products in Animal Feeding)
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