Abstract: A method for preventing periodontal disease, which comprises administering an effective amount of a composition to a method for preventing periodontal disease comprising administering an effective amount of a composition to a part in an oral cavity before a periodontal disease-related bacteria, a decayed teeth-related bacteria, and/or Candida spp. is/are abnormally proliferated in the oral cavity, wherein said composition comprises a Sasa extract and malic acid.

Abstract: A method for treating periodontal disease, which comprises administering an effective amount of a composition to one in need of treatment of periodontal disease, the composition comprising a Sasa extract and an organic acid.

Abstract: A method of suppressing the proliferation of virus comprises administering an antiviral agent comprising as an effective component at least one member selected from the group consisting of 5,7,4?-trihydroxy-3?,5?-dimethoxyflavone, 3-hydroxypyridine, p-hydroxybenzaldehyde and vanillin to one in need of suppressing of viral proliferation.

Abstract: A method for suppressing the growth of microorganism comprises the steps of providing a microbicidal agent comprising 5,7,4?-trihydroxy-3?,5?-dimethoxyflavone, and contacting the agent with the microorganism, wherein said microorganism is selected from the group consisting of Salmonella sp., and Pseudomonas aeruginosa.

Abstract: Provided is an antiviral agent with high antiviral activities and low side effects (cytotoxicity). Specifically provided is an antiviral agent comprising as an effective component at least one member selected from the group consisting of 5,7,4?-trihydroxy-3?,5?-dimethoxyflavone, 3-hydroxypyridine, p-hydroxybenzaldehyde and vanillin.

Abstract: A method for inhibiting growth of a Staphylococcus aureus, Propionibacterium, and Escherichia coli comprises the steps of providing an anti-microbial agent comprising Sasa tannin and contacting the microorganism to the anti-microbial agent.

Abstract: The present invention relates to an anti-tetanic agent comprising a Sasa extract; an anti-fungal agent comprising a Sasa extract and an organic acid; an anti-viral agent comprising a Sasa extract; an anti-microbial agent comprising Sasa tannin; and an anti-microbial composition comprising a Sasa extract and an organic acid.

Abstract: A microbicidal agent comprising as an effective ingredient at least one selected from the group consisting of p-hydroxybenzaldehyde, 5,7,4?-trihydroxy-3?,5?-dimethoxyflavone, 3-hydroxypyridine and vanillin, and a microbicidal composition comprising the microbicidal agent.

Abstract: The present invention provides a method comprising suppressing the growth of a microorganism selected from the group consisting of anthrax bacteria and a virus selected from the group consisting of herpes simplex virus and influenza virus by providing an object containing or impregnated with a composition comprising Sasa extract, and bringing the microorganism into contact with the composition.

Abstract: A method for treating periodontal disease, which comprises administering an effective amount of a composition to one in need of treatment of periodontal disease, the composition comprising a Sasa extract and an organic acid.

Abstract: Herein disclosed are a composition used for treating and/or preventing periodontal disease, which comprises a Sasa extract and a composition used for treating and/or preventing periodontal disease, which comprises a Sasa extract and an organic acid.

Abstract: The present invention provides: a skin protection composition that can effectively suppress intrusion of contagious bacteria such as Pseudomonas aeruginosa, Bacillus subtilis, Bacillus anthracis, Escherichia coli, Staphylococcus aureus, or MRSA, and viruses such as influenza virus from wounds, skin and mucosa such as those of the eyes, nose, throat, ears, anus and vagina into the body, and can also suppress growth of the bacteria and viruses; a skin protection composition that can effectively prevent hospital infections or the like caused by resistant bacteria; a composition to prevent and/or treat bacterial and viral infections including hospital infections; an antiseptic; and a filter apparatus that can effectively suppress intrusion into the body and growth therein of contagious bacteria and viruses.

Abstract: The present invention relates to an anti-tetanic agent comprising a Sasa extract; an anti-fungal agent comprising a Sasa extract and an organic acid; an anti-viral agent comprising a Sasa extract; an anti-microbial agent comprising Sasa tannin; and an anti-microbial composition comprising a Sasa extract and an organic acid.