Polygonum cuspidatum extracts as photodynamic inactivating agents
AssigneePhotoDynamic Inc.
InventorSherri McFarland
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Abstract
The present invention describes extracts of Polygonum cuspidatum and related compositions that are capable of photodynamic inactivation (PDI) of microorganisms such as bacteria, viruses, fungi, and protozoa, and capable of killing or inactivating cancer cells. The present invention further describes methods of using said Polygonum cuspidatum extracts and photodynamic inactivation (PDI) as a therapy for the treatment of microbial infection and as well as the use of Polygonum cuspidatum extract and related compositions as photodynamic therapy agents for the treatment of cancer.
Claims19
A method of killing or inactivating microorganisms in the oral cavity of a subject, comprising:
- contacting the microorganisms in the oral cavity of a subject with a composition comprising an extract of Polygonum cuspidatum and an excipient;
- and
- irradiating the microorganisms with a source of light.
A method of treating or preventing a microbial infection in the oral cavity of a subject, the method comprising the step of administering to the oral cavity a subject an effective amount of one or more extracts of Polygonum cuspidatum in the presence of light and oxygen.
Dependencies are inferred from the claim text.