21st June, 2004

What is in Green Tea?

An article in the Health News section of Independent Online listed some of the health benefits of green tea. Benefits such as the high concentration of antioxidant, epigallocatechin gallate, which is 200 times stronger than the antioxidant vitamin E, and 20 times stronger than the antioxidant vitamin C. It is also helpful in regulating blood sugar levels and reducing the levels of harmful LDL cholesterol.

Preliminary research published in the American Journal of Clinical Nutrition also suggested that an extract from green tea may help with weight loss by speeding up fat oxidation. The article also stated green tea’s relatively high caffeine content, but didn’t specify in relation to what. From the studies done by the editor of this website, we believe there are only traces of caffeine in green tea and we think the author might have been referring to another popular Chinese tea, the Woolong tea, which is half way between green tea and black tea.

The article also suggested pregnant and breast-feeding women and those avoiding caffeine for fertility reasons need not worry about consuming green tea.

For the full article, please follow this link.

Independent Online, “Anatomy of an ingredient: Green tea”, 21, June 2004

26th October, 2004

Green Tea and Alzheimer’s Disease:

An article published today in the Health News section of Independent Online has reported the finding of how tea can help in fight against Alzheimer’s disease.

Researches have already shown that flavanoids contained in tea, particularly green tea, protect against strokes, heart attacks and many different types of cancers, as well as more prosaic conditions such as tooth decay and dehydration. One study shows that drinking three cups a day is the equivalent of eating six apples.

Research by scientists at The Newcastle University’s Medicinal Plant Research Centre found both black and green tea can inhibit the activity of the enzyme acetylcholinesterase (AChE), which breaks down the chemical messenger, or neurotransmitter, acetylocholine. Alzheimer’s is characterised by reduced acetylcholine. Both tea also hinder the activity of the enzyme butyrylcholinesterase (BuChE), which has been found in protein deposits on the brains of patients with Alzheimre’s.

Green tea went one step further in obstructing the activity of beta-secretase, which helps produce protein deposits in the brain linked to Alzheimer's. The findings, published in Phytotherapy Research, could help in developing treatments for Alzheimer's. The researchers are seeking funds to further investigate green tea in the hope of creating a medicinal tea.

For the full article, please follow this link.

Kirby, T., “Tea can help in fight against Alzheimer’s, researchers conclude”, Independent Online, 26, Oct 2004