Author Topic: Green tea (Read 13981 times)

Gay · « **on:** February 13, 2012, 07:01:33 PM »

Green tea

Shortly - everyone knows that green tea has health benefits, but don't forget that there are some bad side effects as well.
According to Wikipedia:

Quote

Green tea extract supplements are accessible over the counter in various forms.[7] Standardized green tea extract is 90 percent total polyphenols, and 1 capsule equals 5 cups of tea.[8][9]
For a green tea extract standardized for 80 percent polyphenols and 55 percent EGCG, a daily dose of 300 to 400 mg green tea extracts is recommended.[7] Some green tea extracts may have as little as 15 percent polyphenols, usually these are far less expensive. It should be kept in mind that the various components of unpurified green tea extracts have synergistic effects and therefore are better than any individual tea component.[1] Scientists also conclude that tea extracts are better taken between meals in order to avoid decreased iron absorption.

Though green tea extracts show potential anticancer capacity - under some conditions by working together with other drugs and suppressing multidrug resistance in cancer cells - they are not suggested for use alone as a chemotherapy agent for cancer treatment.[6]

Excessive intake of green tea extracts containing caffeine has side effects[10]; an excessive concentration may act as a pro-oxidant to damage DNA[1] and produce undesirable side effects.[11]

References

^ a b c d e f g h i j k l m n o p I.T. Johnson & G. Williamson, Phytochemical functional foods, Cambridge, UK: Woodhead Publishing, 2003, pp. 135-145
^ Committee on Diet, Nutrition, and Cancer, Assembly of Life Sciences, National Research Council, Diet, nutrition, and cancer, Washington: D.C National Academies Press, 1982, p. 286.
^ E. Mindell, Earl Mindell's Vitamin Bible for the 21st Century, [S.l.] E-Rights/E-Reads, Ltd., 1999, p. 135.
^ A. Magaziner, The complete idiot's guide to living longer & healthier, New York: N.Y. Alpha Books, 2000, p. 61.
^ a b c Q.Y. Zhu, Antioxidative activities of green tea catechins, Hong Kong: The Chinese University of Hong Kong (Hong Kong), 1999, p. III.
^ a b c d e f g h Y.S. Zhen, Z.M. Chen, S.J. Cheng & M.L. Chen, Tea: bioactivity and therapeutic potential, London, UK: New York Taylor & Francis, 2002, pp. 121–225.
^ a b c F. Murray, 100 super supplements for a longer life, Los Angeles: CA McGraw-Hill Professional, 2000, pp. 181–182.
^ A.H. Pressman & S. Buff, The complete idiot's guide to vitamins and minerals, New York: New York Alpha Books, 1997, p. 283.
^ A. Bascom, Incorporating herbal medicine into clinical practice, Philadelphia: F.A. Davis Company, 2002, p. 153.
^ B. Capon, Botany for gardeners: An introduction guide, Portland: Or. Timber Press, Inc.， 1990, p. 94.
^ Wu, Kuei-Meng; Yao, Jiaqing; Boring, Daniel (2011). "Green Tea Extract-Induced Lethal Toxicity in Fasted but Not in Nonfasted Dogs". International Journal of Toxicology, 30 (1), pages 19-20, doi:10.1177/1091581810387445, PubMed http://ijt.sagepub.com/content/30/1/19. Retrieved 03/14/2011.

^{http://en.wikipedia.org/wiki/Green_tea_extract#Dosage_and_Side-effects}

If you want to learn more about this matter- there is an amazing green tea website http://www.amazing-green-tea.com/green-tea-side-effects.html

英语课 · « **Reply #1 on:** February 13, 2012, 07:10:03 PM »

Very good references. I will share this topic in http://www.businessadviceforum.com. Right now we discuss over there a topic about the green tea.

yanna · « **Reply #2 on:** March 02, 2012, 01:19:13 PM »

I haven't tried drinking green tea but reading those health benefits you've posted it makes me think to give it a try.

AlinaStance · « **Reply #3 on:** March 20, 2012, 07:22:42 PM »

Green tea contains high levels of substances such as catechin polyphenols, antioxidant, anticarcinogenic, antitumorigenic, and it offers number of healthy benefits to us. It mainly helps to burn your additional body fat and keeps you out of weight ginning.

rickeydepp · « **Reply #4 on:** April 10, 2012, 11:29:03 PM »

Green tea has many benefits to reduce weight in a natural way. It is really a very good medicine for increasing our immune system and fighting against cancer and other heart disease.

StinaWills · « **Reply #5 on:** May 10, 2012, 06:55:21 PM »

It contains number of antioxidant which is helpful to burn your body fat and also drinking green tea daily will offer you a number of healthy benefits.

AntonioBanderas · « **Reply #6 on:** May 18, 2012, 06:04:55 PM »

Green tea will reduce the levels of cholesterol and triglycerides in the blood and its increasing levels of good cholesterol. For a healthy lifestyle we must add green tea for our diets.

SEO · « **Reply #7 on:** May 19, 2012, 02:01:28 AM »

Yes, but don't drink it too much and don't forget to search doctors' advises.

toetapping · « **Reply #8 on:** May 25, 2012, 04:06:32 PM »

I drink a couple of cups of green tea per day. Definitely like the weight loss idea. I can't honestly say if it has done me any good or not but do enjoy it.

I have read articles about green tea and they seem to say that it contains pretty much zero calories, is almost as hydrating as water and, other than a small minority of people reporting insomnia due to its caffeine content (which is much lower than black tea), it has no reported negative effects on the body.

henryluthers · « **Reply #9 on:** September 27, 2012, 02:00:19 PM »

Green Tea is extremely one of most powerful aspect for the healthy life. As we can easily improve our digestion and metabolism power with the help of Green tea. It also prevents from Cancer. As Green Tea is also helpful feature about weight loss.

Baird · « **Reply #10 on:** July 11, 2013, 03:17:26 PM »

I want add one thing there that green tea not only for weight loss. It can also set other systems of body.

boyjimy · « **Reply #11 on:** July 17, 2013, 02:03:49 PM »

SRI LANKA -- Green tea has increasingly become a very popular drink worldwide because of its immensely powerful health benefits. It is extraordinarily amazing what green tea can do for your health. And if you're not drinking three to four cups of green tea today, you're definitely not doing your health a big favor. Here are the 25 reasons why you should start drinking green tea right now:
1. Green tea and cancer: Green tea helps reduce the risk of cancer. The antioxidant in green tea is 100 times more effective than vitamin C and 24 times better than vitamin E. This helps your body at protecting cells from damage believed to be linked to cancer.

2. Green tea and heart disease: Green tea helps prevent heart disease and stroke by lowering the level of cholesterol. Even after the heart attack it prevents cell deaths and speeds up the recovery of heart cells.

3. Green tea and Anti-aging: Green tea contains an antioxidant known as polyphenols which fight against free radicals. What this means it helps you fight against aging and promotes longevity.

4. Green tea and weight loss: Green tea helps with your body weight loss. Green tea burns fat and boosts your metabolism rate naturally. It can help you burn up to 70 calories in just one day. That translates to 7 pounds in one year.

kevinsheronn · « **Reply #12 on:** November 01, 2013, 01:58:07 PM »

Everyone knows about Green Tea health benefits. Green tea has a high content of caffeine and rich in tannin acid which causes of different side effects. I think we just keep in mind Green tea benefits and drinks it regularly for better health.

Gay · « **Reply #13 on:** November 09, 2013, 11:05:41 PM »

Why Tea Makes You Happy, Healthy, and Smart

Good article "Why Tea Makes You Happy, Healthy, and Smart" here: http://shine.yahoo.com/healthy-living/why-tea-makes-you-happy--healthy--and-smart-194141810.html

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