| 摘要 |
PROBLEM TO BE SOLVED: To provide an antibacterial agent that can inhibit the oral hazardous bacteria, for example, periodontal disease bacteria, tooth decay bacteria, or Streptococcus pyogenes, from proliferating without disturbance of the sound balance of intestinal flora. SOLUTION: Lignin, coniferyl alcohol, coumaryl alcohol, sinapyryl alcohol, ferulic acid, coumaric acid and sinapine are chemically synthesized from lignin, ferulic acid, coumaric acid and/or sinapylic acid that are extract from the xylem in the Tracheophyta plants, work as dietary fiber without being digested and absorbed in the digestive tracts, and shows antibacterial properties that can prevent the diseases in the oral cavity or Streptococcus pyogenes infection. |
