Japanese Society of Catechinology reports that long-term consumption of highly concentrated catechins can help you reduce your body weight and body fat.
There are enzymes in the cells of your liver that burn fat.
When you consume high concentrations of catechins, they are absorbed into your bloodstream and reach your liver cells.
The catechins increase or activate enzymes in the liver, which in turn stimulates your lipid metabolism and increases your energy expenditure, which in turn leads to a reduction in body fat.
It is also said that continuous intake of catechins can increase the amount of fat burned during exercise.
Catechins inhibit the absorption of fat.
For fat to be absorbed in our small intestines, it is essential that it be broken down by the digestive enzyme lipase.
Catechins inhibit the action of lipase, thereby reducing the breakdown of fat and consequently the absorption of fat.
Catechins are said to reduce the rise in blood sugar levels and improve obesity.
Many studies and experiments have shown that catechins work to reduce medieval fat, cholesterol and subcutaneous fat in the blood and help burn fat.(栄養図鑑pp237）
In 2004, well-known talk show host Oprah Winfrey, alongside Dr. Nigel Perricone, has reported the ability to lose 10 pounds in 6 weeks, by switching from coffee to green tea.
On her website OPRAH.COM, it is mentioned that a study in the Journal of Functional Foods found that people who drank one and a half cups of green tea enriched with a total of 609 milligrams of catechins every day for 12 weeks lost almost 16 times as much visceral fat as those who consumed green tea without the added antioxidants.
According to stylecaster.com , Katy Perry was also on green tea diet when she did her Vogue cover shoot in 2016. “I kind of went on a cleanse, I did a lot of stuff like vitamins and supplements, I changed my coffee to green tea. “ the singer told Jay Leno. Via Fashionista
It is now commonly known that green tea can help you improve your metabolism in the US.
Beverage makers in Japan also have been paying extra attention to the benefits of green tea and introducing green tea products that can help people lose their weight. These products are called “TOKUHO” or food-specified-for-health-use and approved by The Consumer Affairs Agency in Japan (CAA), a central administrative organization headed by Minister of State for Consumer Affairs and Food Safety under the authority of Prime Minister.
One of the leading beverages manufactures, Kao corporation produces TOKUHO green tea products called “Healthya”.
On Kao website, the latest research on tea catechins has revealed a new mechanism of action.
Increasing the activity of enzymes that work for (1) decomposition and (2) consumption of fat and improve the ability to metabolize fat.
Healthya Green tea contains 540 mg of catechin in a bottle.
Their research indicates that by keep drinking one bottle of green tea for 8weeks, you can increase fat metabolism rate for 140%. For 12 weeks, you can reduce your total abdominal fat area for 9.5%.
Another Japanese beverage makers, Suntory has Green tea product called Iyemon; green tea drink that helps assist in the breakdown of stored body fat. Iyemon Tokucha (special TOKUHO brand) contains quercetin glucoside, a type of polyphenol commonly found in vegetables and fruits such as onions, broccoli, and apples. Thanks to the effect of cathechin and quercetin glucoside, you can reduce your body fat by drinking Iyemon.
Coca-Cola Bottlers Japan has Green Tea product called Ayataka and TOKUHO product called Ayataka Tokucha. The product contains Indigestible dextrin (fiber) and reduces the absorption of fat and moderates the absorption of sugar, when you eat meals.
Consuming fat as energy and helping to reduce body fat.
There are many methods to lose weight using green tea are introduced in Japan.
Dr. Takafumi Kudo has published a book introducing his weight-loss method called “Green Tea and Coffee Diet” in 2018. According the book, he has lost 25kg/55lb by drinking the green tea and coffee mixed drink he invented 3 times a day, before eating meals. Dr. Kudo mentions that Catechin in green tea burns fat and polyphenol in coffee even increase the fat burning effect.
The Green Tea and Coffee Diet is well known among the people and there are many posts mentioning that she/he lost weight drinking the coffee mixed green tea.
There is another popular weight loss method using green tea. Matcha lemon Diet method.
Matcha lemon was first introduced more than 40years ago by popular Japanese cosmetologist May Ushiyama, she is also known as the owner of Hollywood Beauty Salon and school. Original recipe takes 1 tea spoon of Matcha powder, 1/2 Lemon juice, 1 Cup Water and 1 tea spoon of Honey. You can simply mix the ingredient and serve as you like.
Matcha lemon has a lost of health and beauty benefits such as lose weight, relieve constipation and cure acne.
First lady of Former/40th US president, Ronald Reagan, Nancy Reagan learned about the Matcha lemon through a makeup artist back then and really liked the drink. She sent a thank you letter to May Ushiyama saying she has beaten her cold by drinking the matcha lemon.