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Wednesday, September 25, 2013

Green Tea Studies

Green tea studies: a variety of worldwide clinical studies points to the positive effects of green tea for the prevention of diseases such as cancer and cardiovascular disease.

Effect of Green Tea

About the high health effects of green tea exist historically been for thousands of years knowledge and lore, see the history of green tea . Originally drank the green tea mainly because of the growing-making and stimulating effect, but also because of its numerous other effects. Only later joined the special taste and be ausprägende tea culture and refinement as well as the social significance in the foreground.

Clinical studies on green tea

Clinical studies have been conducted on the effect of green tea in Japan, especially since the 70s. This is in view of the cultural and economic significance and the extremely high consumption of no particular surprise.In the last 10-20 years, clinical studies in the U.S., China and Europe and many other countries are now also grown and made ​​in large numbers. Overall, the number of scientific studies on the tea plant Camellia sinensis, or the effects of green tea is likely to several thousand have grown. So that the green tea may be one of the most studied medicinal plants worldwide and yet I am of the opinion that so far only a fraction of the complex active ingredients and contexts has been identified. In view of so many of this positive study results, it is very surprising to me that the tea plant is not much more targeted and used in numerous diseases with healing. An even stronger remedy would be the green tea for health prevention (prevention).

Studies on the catechin EGCG 

The research seems to focus mainly on the effect of catechins, especially the EGCG (epigallocatechin-3-gallate), which make headlines around since the 80s in recent years. EGCG is also often called the "main ingredient" of green tea called, what I consider, however, jumped as much too short. Focusing on the ECGC should not be modified because the catechin substances can be extracted as green tea extract and market them as dietary supplements and in many studies showed very positive effects in various diseases and in prevention. But unfolds the green (steamed) tea in my view his greatest health effect in the interaction of all the ingredients and preparation at optimal and high quality. Only in this interaction, the so-valuable catechins to their full advantage. In summary it can be said that the experimental and epidemiologic data strongly indicate a positive effect of green tea for the prevention of cancer and cardiovascular disease. In addition to the polyphenols (catechins), other green tea components exert a salutary effect, which is why the whole system "Green Tea" is preferable to the individual ingredients. "(Dr, Matthias H. Kreuter and Dr. Marco I. Netsch - Alpinia Landanum Institute of Phytopharmaceutical Sciences AG, CH - in Peter Oppliger, Green Tea, AT Verlag, 2010, pp. 79). 
Appear so frequently press articles about new studies on the effect of green tea, while these studies are actually "only" the isolated action of individual catechins tried. I think this is partly misleading and is reminiscent of similar issues in the study of other popular mono-substances, such as vitamin C and coenzyme Q10, whose isolated and taking action is not without controversy today. Furthermore, in most studies that are available to me on the subject, little or no information on the exact composition of green tea, or better production and Aufbrauen or use of green tea extract given. At what temperature and in which process the tea or extract is produced? Was steamed or roasted green tea used for? What is the quality and what type of tea or tea plant which has been used in the investigation? Of these questions are crucial for the heal generic quality of green tea.
But I do not want to make with these embodiments, the positive effect of catechins in question. Quite the contrary. From my perspective, they actually provide an important pillar of the ingredients of green tea from a health perspective dar. also obtained as the extract, they have in powder form or as capsules absolutely justified and their place in the food supplement. In concentrated and high-dose form, they have excellent properties to prevent certain health problems, or to promote their healing.

Funding of scientific studies

A basic problem in the financing of studies on green tea provides, according to scientists at an international conference on "Tea and Health" of the Max Delbrück Center for Molecular Medicine (MDC) Berlin-Buch in October 2011, the relatively low interest of pharmaceutical industry dar. addition, no public funding for first pilot studies would usually be available. Despite this difficult situation, numerous studies because of the great scientific interest worldwide further carried out, including in Germany. For example, the team of Professor Erich Wanker (MDC) in 2006 had demonstrated positive effects of EGCG in Huntington's disease and Parkinson's and Alzheimer's in 2008 (effect on protein misfolding processes). Currently, investigations are ongoing in several degenerative diseases.