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Green Tea Extract Types and Processes


Extract green tea and the benefits thereof is a topic that has been discussed and evaluated extensively and the ideas that have been brought to light about this innovative topic have been quite intriguing. This extract is a herbal derivative from what is known as green tea leaves or Camellia sinensis and they contain ingredients that have anti-oxidant properties, the main one being green tea catechins or GTC. The derivatives of green tea and the tea itself are thus highly sought after among those people who want to maintain good health and a healthy digestive system.

There are various types of green tea extracts and it is quite interesting to acquaint yourself with them so you can ultimately know the health benefits of incorporating the various types of extract into your diet. The first type you can look at is the strong infusion. This type of green tea is called a strong infusion because of the concentration of catechins. The green tea leaves are processed through a soaking process in aqueous solution using alcohol. Usually the aspect content of this will be approximately 2%. Soft extracts are a different type and you obtain this in a slightly different manner. The solution that has been made by a strong infusion will be concentrated further to about twenty to twenty-five percent and the catechin content will be close to twenty percent.

Then, a dry extract green tea will be acquired after a strong infusion has been further concentrated to about 40 to 50% solids with a catechin content of about 25%. They will then be sprayed and ultimately be dehydrated to a powdered extract. The water content and extract left over after this process will be processed as a powder that will contain processing aids that are used in various products like capsules, dry mixes and tablets.

Lastly, you can also find partly purified extract green tea, which includes further purification processes including solvent extracttion or even a process known as column chromatography. New techniques include membrane separation and membrane extraction. They are sometimes referred to as green tea polyphenols or GTP, but will not commercially be spoken of in such a way.


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