Abstract Title:

Compounds derived from epigallocatechin-3-gallate (EGCG) as a novel approach to the prevention of viral infections.

Abstract Source:

Inflamm Allergy Drug Targets. 2015 Oct 22. Epub 2015 Oct 22. PMID: 26490660

Abstract Author(s):

Stephen Hsu

Article Affiliation:

Stephen Hsu


Pathogenic viral infections pose major health risks to humans and livestock due to viral infection-associated illnesses such as chronic or acute inflammation in crucial organs and systems, malignant and benign lesions. These lead to large number of illnesses and deaths worldwide each year. Outbreaks of emerging lethal viruses, such as Ebola virus, severe acute respiratory syndrome (SARS) virus and Middle East respiratory syndrome (MERS) virus, could lead to epidemics or even pandemics if they are not effectively controlled. Current strategies to prevent viral entry into the human body are focused on cleansing the surface of the skin that covers hands and fingers. Surface protection and disinfection against microorganisms, including viruses, is performed by sanitization of the skin surface through hand washing with soap and water, surface disinfectants, and hand sanitizers, particularly alcohol-based hand sanitizers. However, concerns about the overall ineffectiveness, toxicity of certain ingredients of disinfectants, pollution of the environment, and the short duration of antimicrobial activity of alcohol have not been addressed, and the epidemiology of certain major viral infections are not correlated inversely with the current measures of viral prevention. In addition to a short duration on the skin surface, alcohol is ineffective against certain viruses such as norovirus, rabies virus, and polio virus. There is a need for a novel approach to protect humans and livestock from infections of pathogenic viruses that is broadly effective, long-lasting (persistent), non-toxic, and environment-friendly. A strong candidate is a group of unique compounds found in Camellia sinensis (tea plant): the green tea polyphenols, in particular epigallocatechin-3-gallate (EGCG) and its lipophilic derivatives. This review discussed the weaknesses of current hand sanitizers, gathered published results from many studies on the antiviral activities of EGCG and its lipophilic derivatives, and the potential use of these compounds as a novel strategy for disease prevention, especially against pathogenic viruses.

Study Type : Review

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