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Issue 3, February 2018 Tea Time: Tea Types and Their Health Benefits Presented by: Introduction regulating blood glucose levels, improving cognitive processes and QUESTION: healing wounds.2 A 2008 review After water, tea is the most widely What is the name of the consumed beverage in the world and its article in the Journal of Nutritional and health-affecting natural health effects can be wide-ranging. Environmental Medicine reports that chemical found in tea? Tea, which is prepared by pouring hot green tea can help combat cancer, heart water over the cured leaves of the disease, and liver disease. This article A) polycythemia B) polyesters Camellia sinensis plant, contains a also notes that green tea may help enhance exercise and weight loss and C) polyphenols class of natural chemicals called D) polygons polyphenols. A 2002 study published help treat diabetes, inflammatory bowel in the Journal of the American College disease, skin disorders, hair loss and 3 of Nutrition states that tea polyphenols iron overload. ANSWER: may help disrupt the development of C) polyphenols Bseveral) White chronic diseases, including 1 cancer and cardiovascular disease. TRUE OR FALSE: Improved weight control, reduced blood pressure and heightened mental Tea in general has alertness are other possible health been found to promote benefits of tea. Talk with your chiro- heart and artery health practor about what tea may be most ANSWER: appropriate in addressing your health True concerns.

Green Tea QUESTION:

Green tea is made from the unoxi- Which tea has the least oxidization? dized leaves of Camellia sinensis and contains the greatest concentration of Black Tea A) Oolong antioxidant polyphenols. This tea, B) White which has been cultivated for centuries Black tea is more oxidized than other C) Black in India and China, is known for its tea types, including green, white and D) Green broad flavor palette, which ranges from oolong teas, which helps give it a ANSWER: sweet and nutty to grassy and vegetal. strong flavor. Because black tea B) White Traditional uses of green tea, according retains its flavor longer than many to the University of Maryland Medical other teas, it has historically been used Center, include improving heart health, as an article of trade and even as a type Presented by: Black Tea and Sri Lanka). White tea is often best described as smooth, earthy, and very QuoteQuote toto InspireInspire sweet. The light oxidation of this tea Black tea is more oxidized than other means that it is high in antioxidants. tea types, including green, white and White tea has historically been used for oolong teas, which helps give it a “A woman is like a tea promoting relaxation and general strong flavor. Because black tea retains bag - you can't tell how well-being. Other more specific health strong she is until you put its flavor longer than many other teas, it benefits associated with white tea her in hot water.” has historically been used as an article include improved cardiovascular of trade and even as a type of currency Eleanor Roosevelt function, antibacterial and antiviral in some regions at certain points in action. A 2009 study published in the time. Black tea is the most commonly journal Experimental Dermatology consumed tea in the United States, even states that the topical application References and Sources: United Kingdom and Europe, notes the 4 of white tea extracts may offer protec- National Cancer Institute. Black tea 1. McKay DL, Blumberg JB. The role tion against the detrimental effects of has numerous health benefits, including of tea in human health: An update. UV light, including oxidative damages Journal of the American College of the ability to reverse endothelial Nutrition. 2002. Feb; 21(1): 1-13. to DNA.7 dysfunction (i.e., problems with the 2. University of Maryland Medical Center. Green tea. http://ww- inner lining of a blood vessel) in people w.umm.edu/altmed/arti- with coronary artery disease, according Oolong Tea cles/green-tea-000255.htm to a 2001 study published in the journal 3. Sinija VR, Mishra HN. Green tea: Oolong, a traditional Chinese tea, is a Health benefits. Journal of Nutrition- Circulation.5 Black tea may also be al and Environmental Medicine. semi-oxidized tea known for its sweet, 2008; 17(4): 232-242. beneficial in preventing cancer. milky flavor and floral aroma. Oolong According to a 2006 study published in 4. National Cancer Institute. Tea and teas possess a smoother flavor than Cancer Prevention: Strengths and the journal Anti-Cancer Agents in Limits of the Evidence. http://www.- some other teas and may be gentler on cancer.gov/cancertopics/fact- Medicinal Chemistry, black tea poly- sheet/prevention/tea the stomach. Some of the most phenols help regulate cancer cell 5. Duffy SJ, et. al. Short- and 6 well-known oolongs are grown and long-term black tea consumption growth, survival, and spread. reverses endothelial dysfunction in harvested in Fujian, China as well as patients with coronary artery disease. the mountains of Taiwan. Oolong teas Circulation. 2001; 104: 151-156. are used for a wide variety of health 6. Beltz LA, Bayer DK, Moss AL, White Tea Simet IM. Mechanisms of cancer purposes, including the prevention of prevention by green and black tea cancer, heart disease, osteoporosis and polyphenols. Anti-Cancer Agents in White tea is a lightly oxidized tea that Medicinal Chemistry. 2006; 6(5): tooth decay. Oolong teas, which are 389-406. originated in Fujian, China. Many believed to boost immunity, may also 7. Camouse MM, et. al. Topical varieties of white tea exist today and application of green and white tea be helpful in treating obesity, diabetes, this tea is now cultivated throughout extracts provides protection from atherosclerosis and certain skin condi- solar-simulated ultraviolet light in China and South Asia (including India human skin. Experimental Dermatol- tions. According to a 2003 study ogy. 2009. Jun; 18(6): 522-526. published in the journal Diabetes Care, 8. Hosada K, et. al. Antihyperglycemic effect of oolong tea in type 2 diabetes. oolong tea may help lower plasma Diabetes Care. 2003. Jun; 26(6): glucose levels in type 2 diabetics and 1714-1718. may be an effective supplement to oral hypoglycemic agents in treating type 2 diabetes.88

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