West China Journal of Stomatology

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Probiotic characteristics of Lactobacillus plantarum HO-69 applied in oral cavity

YANG Ying1，2, CHEN Wei1, ZHANG Hao1, TANG Jian1   

  1. 1. State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; 2. Institute of Food Processing, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
  • Received:2008-10-25 Revised:2008-10-25 Online:2008-10-20 Published:2008-10-20
  • Contact: YANG Ying，Tel：0571-86404387

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Abstract:

Objective To investigate the probiotic characteristics of Lactobacillus plantarum（L.plantarum） HO-69 in oral cavity. Methods The adhesion ratios to teeth and dentine surface were determined by in vitro models. Hydrophobicity and surface charges were measured by MATH method. Inhibitory activity was measured by agar well diffusion method. Results The adhesion ratios to hard tissue were quite low. The hydrophobicity and surface charges were high, and it exhibited inhibitory activity against some pathogens. Conclusion The probability is low for L. plantarum HO-69 to initiate or accelerate dental caries. It shows broad-spectrum inhibitory activity and is potential probiotics applied in oral cavity.

Key words: Lactobacillusplantarum, oralcavity, adhesion, inhibitoryspectrum

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