September 15, 2015
The drinking of tea originates mainly from India and China and has been around for approximately 500,000 years.
Green tea in particular has been known for its therapeutic effects, one popular effect is weight loss. Green tea has been used as a stimulant, diuretic (to promote the excretion of urine), astringent (to control bleeding and heal wounds), and improve heart health. Green tea is also helpful with flatulence (gas), regulating body temperature and blood sugar, promoting digestion, and improving mental processes.
Within green tea there is a powerful antioxidant known as EGCG (epigallocatechin gallate) that has thermogenic properties (fat burning). This antioxidant also inhibits the growth of cancer cells.
Green tea is also helpful for:
Green tea is one of the most powerful, naturally occurring detoxifying substances available.
The American Journal of Clinical Nutrition states that green tea extract is the most effective metabolism boosters that naturally occur in a plant or herb. The metabolic rate is increased by 4% within a 24-hour time frame. Researches say that the polyphenols, specifically the catechins, are responsible for the herbs fat burning effects. Green tea releases antioxidants into the blood stream and help the fat burn faster, this helps the body absorb the calories and convert them into muscle or energy. Green tea also helps with appetite suppression naturally.
In a recent study at the University of Geneva, researchers concluded, “Green tea has thermogenic properties and promotes fat oxidation beyond that explained by its caffeine content per se”. Previously it was believed that the caffeine content in green tea has this effect even though the content is low, much lower than coffee and regular tea. The weight loss benefits of green tea can be due to the fact that it prevents fat from being stored, increases protein levels, and promotes thermogenesis by triggering beta-adrenoceptor into action.
In a 2002 issue of Phytomedicine Dr’s P.Chantre and D. Lairon of the Laboratories Arkopharma in Carros, France, the green tea extract AR25 (Exolise) was analysed for its activity in the treatment of obesity. They found that the extract could directly inhibit gastric and pancreatic lipases, which are the primary cause of fat storage, concluding that green tea exhibits a weight loss effect that can solve obesity problems. They also found that green tea can stimulate thermogenesis, given to moderately obese patients it caused a decrease of 4.6% in weight and a reduction of waist circumference by 4.48% after only 3 months, confirming its weight loss benefits.
Traditionally the green tea leaves are unfermented whereas the black tea leaves are fermented, the more fermented the leaves the lower the polyphenol content and the higher the caffeine content. Green tea has the highest polyphenol content while black tea has two to three times the caffeine content of green tea.
The polyphenols in green tea are the antioxidants that are classified as catechins, which give it its bitter taste; green tea contains 6 catechins, EGCG being the most studied and most active. It also contains alkaloids which include caffeine, theobromine, and theophylline, which are the teas stimulating effects. L-theanine is an amino acid compound found in green tea and has calming effects on the nervous system.
Some people don’t like the bitter taste of green tea but you can always take green tea extract available here.
Green tea does contain caffeine therefore should be used cautiously and should be avoided by pregnant and breast-feeding women.
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