김치에서 분리한 Lactobacillus plantarum K6의 생리적 특성 및비만억제효과 = Physiological Characteristics and Anti-Obesity Effect of Lactobacillus plantarum K6 isolated from Kimchi

다국어 초록 (Multilingual Abstract)

This study aimed to investigate the physiological characteristics and anti-obesity effects of a newly isolated bacterium, Lactobacillus plantarum K6. L. plantarum K6 showed good α- amylase inhibitory activity (96.78±3.29%), α-glucosidase inhibitory activity (92.55±9.62%), and lipase inhibitory activity (85.17±0.79%), and the strain inhibited the adipocyte differentiation of 3T3-L1 cells (27.4±1.4%) when present at a concentration of 100 μg/mL. L.
plantarum K6 was isolated from kimchi and its physiological characteristics were investigated.
A comparison of the sensitivity of the isolate to 15 different antibiotics showed that L. plantarum K6 is highly sensitive to erythromycin and highly resistant to vancomycin, ampicillin, and polymyxin B. This strain also showed high arylamidase and β-galactosidase activities. Moreover, it was relatively tolerant to bile acid and low pH, and displayed resistance to Escherichia coli, Salmonella Typhimurium, Listeria monocytogenes, and Staphylococcus aureus, with rates of 51.8%, 42.4%, 61.6%, and 54.9%, respectively. No bio genic amines were produced. L. plantarum K6 also showed high adhesion activity to HT-29 cells compared to L. rhamnosus GG. These results demonstrate that Lactobacillus plantarum K6 has potential as a probiotic with anti-obesity effects.

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