Biotechnology letters · 2017
Decrease of insoluble glucan formation in Streptococcus mutans by co-cultivation with Enterococcus faecium T7 and glucanase addition.
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Yu Shin-Hye, Kwak So-Hyung, Nguyen Thi Thanh Hanh, Seo Ye-Seul, Song Chaeri, Mok Il Kyoon, Kim Doman
Аннотация
OBJECTIVES: To develop preventive canine oral health bio-materials consisting of probiotics and glucanase to reduce insoluble glucan and volatile sulfur compound formation.
RESULTS: Co-cultivation of Enterococcus faecium T7 with Streptococcus mutans at inoculation ratio of 3:1 (v/v) resulted in 25% reduction in the growth of Streptococcus mutans. Amounts of soluble and insoluble glucans produced by S. mutans were decreased to 70 and 55%, respectively. Insoluble glucan was decreased from 0.6 µg/ml in S. mutans culture to 0.03 µg/ml in S. mutans co-cultivated with E. faecium T7 in the presence of Lipomyces starkeyi glucanase. Volatile sulfur compound, a main component of halitosis produced by Fusobacteria nucleatum, was decreased by co-cultivating F. nucleatum with E. faecium.
CONCLUSION: E. faecium and glucanase can be combined as potentially active ingredients of oral care products for pets by reducing plaque-forming bacteria growth and their by-products that cause cavity and periodontal disease.
RESULTS: Co-cultivation of Enterococcus faecium T7 with Streptococcus mutans at inoculation ratio of 3:1 (v/v) resulted in 25% reduction in the growth of Streptococcus mutans. Amounts of soluble and insoluble glucans produced by S. mutans were decreased to 70 and 55%, respectively. Insoluble glucan was decreased from 0.6 µg/ml in S. mutans culture to 0.03 µg/ml in S. mutans co-cultivated with E. faecium T7 in the presence of Lipomyces starkeyi glucanase. Volatile sulfur compound, a main component of halitosis produced by Fusobacteria nucleatum, was decreased by co-cultivating F. nucleatum with E. faecium.
CONCLUSION: E. faecium and glucanase can be combined as potentially active ingredients of oral care products for pets by reducing plaque-forming bacteria growth and their by-products that cause cavity and periodontal disease.