Green tea is a type of tea made from leaves and buds that have not undergone oxidation and wilting during processing, unlike red tea. It is considered one of the most important health drinks, as it contains many important and beneficial health benefits for the human body.
However, excessive consumption without medical advice may cause health problems. It's worth noting that a report issued by the International Institute for Sustainable Development stated that green tea is the second most widely consumed beverage in the world after water, with China, Vietnam, and Japan among the major producing countries.
What is green tea?
Green tea is a beverage made from the dried leaves of the Camellia sinensis plant, a plant native to China. It can also be used to make black tea, the only difference being the manufacturing process. Green tea is a minimally processed tea, and it ranks second in world production after black tea.
Green tea ingredients
Green tea is characterized by containing many nutritional elements that make it stand out from other types. These elements are (vitamins - minerals - amino acids - polyphenols). They are explained in detail below:
First: Vitamins
Green tea contains a large number of vitamins such as: (Vitamin K - Vitamin B - Vitamin D - Vitamin C), as the amount of Vitamin C in a teaspoon of green tea is equivalent to the same amount found in a medium-sized orange.
Second: Minerals
Green tea is a major source of minerals, such as potassium, magnesium, calcium, iron, zinc, and selenium. It also contains fluoride, which has a powerful ability to fight tooth decay.
Third: Amino acids
Green tea contains approximately 20 amino acids, the most important of which are (theanine, amino acid hydroxyanisole, and aminobutyric acid).
Fourth: Polyphenols
Green tea contains approximately 20 to 40% of its weight in polyphenols, which are natural chemicals, including catechins, which have antioxidant properties and protect the body's DNA from the effects of carcinogenic substances.
Benefits of green tea for belly
Numerous studies have confirmed that green tea contains catechins, a substance that plays an important and fundamental role in energy metabolism, which aids in weight loss.
According to some studies, green tea increases the chance of burning fat and helps boost the metabolic rate. In a study conducted on 10 men, it was proven that drinking green tea for a certain period led to a 41% increase in the rate of calorie burning in the body.
The caffeine in green tea may help improve physical performance by mobilizing fatty acids, which are then converted into energy.
Benefits of green tea for women
Green tea has many benefits for women, which are as follows:
Preventing the possibility of developing cancer
Although there are not enough studies to prove that green tea can reduce the risk of cancer, preliminary studies have been conducted on animals.
It has been shown that it may play a major role in preventing women from developing various types of cancer, such as: (breast cancer, ovarian cancer, and skin cancer).
Treatment for some skin problems
Green tea contains antioxidants and other anti-inflammatory substances, so it helps protect the skin from harmful sun rays. It also plays a major role in:
- It has a role in treating wrinkles.
- Protect skin and complexion from the effects of premature aging.
- Relieve the symptoms of eczema.
Helps treat mood swings and depression
Some women suffer from sudden mood swings and lack of concentration due to the many tasks required of them. Indeed, drinking your favorite beverage can play a role in improving your mood. In addition, green tea has benefits that impact mental functions, including:
- Reducing anxiety and stress.
- Improve memory.
- Helps increase focus and attention.
- Helps relieve menstrual pain.
- Reducing acne by applying recipes
Benefits of green tea for the nerves
Green tea has a number of benefits for the nerves, including:
Stimulating the brain to perform its functions
Green tea contains two important substances that play a fundamental role in stimulating the brain's ability to perform its functions:
- Caffeine: It is a stimulant. Its concentration in tea is lower than in coffee, but this small amount is sufficient to provide the necessary benefits. Caffeine also helps block a neurotransmitter called adenosine.
This may help increase the activity of the brain's nerves, in addition to its ability to increase the concentration of some other neurotransmitters. The result is faster response, stronger memory, alertness, and attention.
- L-Theanine: This amino acid helps increase brain activity and relieve psychological stress. The effect of this acid may combine with the effect of caffeine, which helps enhance their benefits.
Protection from brain aging
Green tea plays a major role in protecting the brain from diseases caused by neurological laziness. It is believed that catechin compounds play a major role in this matter. The most important of these diseases are:
- Parkinson's disease is commonly known as "shaking palsy".
- Alzheimer's disease is the leading cause of dementia in older adults.
- combat anxiety
Drinking a cup of green tea may help reduce or alleviate the symptoms of stress resulting from psychological disorders, the most important of which are the following:
- Generalized anxiety disorder.
- Social anxiety disorder.
- Obsessive-compulsive disorder.
Benefits of green tea with lemon
Drinking green tea with lemon has many benefits, including:
Cold and flu treatment
Lemon is a rich source of vitamin C, and green tea is rich in antioxidants, which helps improve the immune system. Lemon is also known to protect the digestive system from the effects of colds and coughs.
Hence, the combination of green tea and lemon is not limited to fighting colds only, but also combating colds that may affect a person in the future.
Improve digestion
Lemon stimulates the body to increase the amount of catechins it obtains from green tea by up to 6 times. Catechins help improve digestion by facilitating the absorption of nutrients in the small intestine.
Beneficial for liver health
Lemon and green tea may help cleanse the liver by stimulating the liver to produce bile, which helps improve digestion. Regular consumption of this drink may repair damaged liver cells.
Benefits of green tea before bed
Green tea contains a compound calledTheanineIt is a major compound in green tea responsible for improving sleep. It helps relax the nerves and brain by reducing the activation of nerve cells and reducing the hormones responsible for stress.
Hence, it can be said that green tea improves sleep quality, but green tea may contain caffeine, a compound whose performance is the opposite of that of the previous compound.
But you can reduce the caffeine content when preparing tea by using room temperature water rather than boiling water.
A 2017 study confirmed that low-caffeine green tea may help improve sleep quality and reduce anxiety and stress.
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