White Tea better than green tea?

Contact: Mary E. Horgan 914-923-2798 mhorgan@pace.edu

White Tea better than green tea?

Anti-Viral and Anti-Bacterial effect of Toothpaste is enhanced by adding White Tea Extract.

New York, NY – May 23, 2004 – New studies conducted at Pace University, have indicated that White Tea Extract (WTE) may have prophylactic applications in retarding growth of bacteria that cause Staphylococcus infections, Streptococcus infections, pneumonia and dental caries. The effect of WTE was determined by observing zones of inhibition of bacteria grown on Mueller Hinton II Agar (Kirby-Bauer technique). In regard to bacterial virus inactivation, White Tea was more effective than green tea. Results obtained with the bacterial virus, a model system; suggest that WTE may have an anti-viral effect on human pathogenic viruses. The addition of White Tea Extract to various toothpastes enhanced the anti-microbial effect of these oral agents.

Studies have also indicated that WTE has an anti-fungal effect on Penicillium chrysogenum and Saccharomyces cerevisiae. In the presence of WTE, Penicillium spores and Saccharomyces cerevisiae yeast cells were totally inactivated. It is suggested that WTE may have an anti-fungal effect on pathogenic fungi.

“Past studies have shown that green tea stimulates the immune system to fight disease,” says Milton Schiffenbauer, Ph.D., a microbiologist and professor in the Department of Biology at Pace University’s Dyson College of Arts & Sciences and primary author of the research. “Our research shows White Tea Extract can actually destroy in vitro the organisms that cause disease. Study after study with tea extract proves that it has many healing properties. This is not an old wives tale, it’s a fact.”

Several findings in the new study are of particular interest:

• The Anti-Viral and Anti-Bacterial effect of white tea (Stash and Templar) is greater than that of green tea.

• The anti-viral and anti-bacterial effect of several toothpastes including, Aim, Aquafresh, Colgate, Crest and Orajel were enhanced by the addition of White Tea Extract.

• White tea extract exhibited an anti-fungal effect on both Penicillium chrysogenum and Saccharomyces cerevisiae.

• White Tea Extract may have application in the inactivation of pathogenic human microbes, i.e., bacteria, viruses, and fungi.

The results of this study will be presented at the 104th General Meeting of the American Society for Microbiology on May 23, New Orleans, Louisiana

Dr. Schiffenbauer can be reached at (212) 346-1968 or mschiffenbauer@pace.edu

Pace is a comprehensive, independent University with campuses in New York City and Westchester County, and a Hudson Valley Center located at Stewart Airport in New Windsor. Nearly 14,000 students are enrolled in undergraduate, graduate and professional degree programs in the Dyson College of Arts and Sciences, Lubin School of Business, School of Computer Science and Information Systems, School of Education, Lienhard School of Nursing and Pace Law School. (www.pace.edu)

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