Things Nobody Told You About Benefits Of Tea.
Benefits Of Tea:
Tea: A popular tea drink is produced by soaking the Chinese camellia leaves in hot water, all types of tea are: white, yellow, green, black, Chinese oolong or black dragon tea, and a type of tea called Puerh tea to this plant, which is produced using different methods, and varies among them by the time of fermentation and treatment. Tea is the second most-consumed drink around the world immediately after water, especially black tea, it is the most widely consumed, and then followed by green tea, Chinese oolong tea or black dragon tea and finally white tea.
The most popular tea growing areas :
Tea is usually grown in acidic soils and areas with heavy rain. Tea can grow anywhere on the sea level, or at heights of 2092.15 meters above sea level. Tea is grown on large farms in more than thirty countries, but the four most tea producing countries are China, India, Kenya, and Sri Lanka. Tea is harvested by hand to maintain high quality; because machines tend to be rough and damage tea leaves, two crops are produced throughout the year, the first batch produced in early spring, and the second batch in summer.
China is the largest tea producing country in the world, producing about 30-35% of the total quantity produced in the world. Emperor Shennong introduced tea to China as a kind of herbal in the year 2737 BC. Tea is used in many cultural rituals as a drink and as a medicine, in addition, many varieties of tea are produced in China, such as green and white tea, oolong, yellow, and jasmine.
India is the second-largest tea producing country in the world, Britain was responsible for its entry into India as it brought it from China, and the British East India Company began to transfer lands in its East Asian colonies to
produce tea. India produces tea in large quantities due to the fact that its consumers reach more than one billion person, as more than 70% of tea production is consumed within the country itself rather than exported.
Kenya produces tea in large quantities on small farms with an area of less than one acre, unlike other countries that produce it on large farms. Kenya also focused on developing new varieties so that they grow abundantly, and are more weather-tolerant.
4- Sri Lanka
The tea industry in Sri Lanka started by the British farmer James Taylor in 1867 AD, on a farm in the city of Kandy, then tea cultivation in Sri Lanka grew as one of the largest industries in the country where about one million Sri Lankan workers work in, tea is produced by cultivating sloping lands where the bushes are planted on ground lines. Sri Lanka produces many types of tea such as Ceylon Green, White Tea, and Ceylon tea.
Tea contents of nutrients :
Tea contains many health benefits due to the presence of polyphenols that promote many biological activities in the body. One of the reasons for the different types of tea is due to the different oxidation states that the tea leaves are exposed to after harvesting.
Tea contains more than 2000 chemical compounds, the most important of which is; Phenols such as flavonoids, and dyes, such as; Carotenoids, chlorophyll, and alkali-like, such as; Theophylline, theobromine, lignans, carbohydrates, fats, proteins, and amino acids, for example; One of the types of theanine known as L-theanine, and vitamins, such as; Vitamin C, Vitamin E, and Vitamin B2. It also contains many nutritional minerals and trace elements, such as the element of the fluoride available in tea leaves, which increases its concentration in them as they are older. All tea leaves are a natural source of caffeine unless it is removed during treatment methods, but it differs among them in its concentration, as it is affected by the amount of water added to the tea during the fermentation process, as well as the time of this process, and whether the tea is packed in packing bags or not.
Benefits of tea:
Since the most common type of tea is black tea, we will focus on its benefits in this article;
1– A rich source of antioxidants: tea contains antioxidants that are useful to combat free radicals and to reduce the exposure of cells to damage, therefore, it may help reduce the risk of developing many chronic diseases. Phenol polymers (Catechins, Theaflavins, and Thiropavigins) are of the antioxidants present in tea that may help to enhance the health of the body. One of the studies in mice indicated that theaflavin had lowered both cholesterol and blood sugar levels, in addition to that, it was founded in another study that people who took the catechin from Green tea extracts have decreased their body fat.
2– Reducing blood pressure: a study showed that people who consumed black tea by three cups per day for up to six months; both their systolic and diastolic blood pressure were low, but the results of the studies were different about this effect. However, drinking tea with lifestyle changes may be a beneficial step for patients with high blood pressure.
3– Promote bowel health: Studies have indicated that bacteria inside the intestine can have an important role in reducing the risk of developing many diseases, such as inflammatory bowel disease, obesity, cardiovascular disease, and type 2 diabetes, in addition to cancer, where polyphenol compounds founded in black tea can promote the growth of beneficial bacteria, and inhibit the growth of harmful ones, which helps maintain intestinal health. This drink also has antimicrobial properties, and therefore it may eliminate harmful substances, and enhance immunity by repairing the lining of the gut.
4– Improving focus: black tea contains caffeine and amino acid theanine (L- theanine); therefore, taking it may improve alertness, ability to focus, and theanine also increases alpha activity in the brain; this leads to relaxation and an increasing in concentration. This makes tea a beneficial drink for increasing energy and concentration without consuming large amounts of caffeine.
5– The possibility of reducing the risk of osteoporosis: initial studies indicated that older women who consumed black tea in greater quantities than others, their bone strength was better than those who consumed it in small quantities, it was also founded that this tea could be associated with reducing the risk of hip fractures for older women and men.
6– Promoting heart health: black tea contains flavonoids that are good for the heart, one study founded that consuming this tea for 12 weeks reduced triglyceride levels, sugar levels, and the percentage of harmful cholesterol to benefit in the blood, another study showed that people who drink three cups of tea per day have an 11% less risk of developing heart disease. On the other hand, one study has indicated that antioxidants in black and green tea fight free radicals that cause atherosclerosis.
7– Prevention of tooth decay: preliminary researches indicated that washing teeth using black tea extracts can help prevent caries.
8– The possibility of reducing the risk of cancer: where scientists believe that some antioxidants in tea, such as polyphenols, and catechins can contribute to reducing the risk of some types of cancer, and some studies indicate that women who regularly drink black tea have a risk of developing cancer Ovaries are less compared to those who do not take it, but other research indicated that it does not reduce the risk of breast, colon, rectal and stomach cancer, yet some research has shown that black tea reduces the survival of cancer cells.
9– Stress relief: where researchers founded that black tea can help to reduce the stress hormone known as Cortisol.
10– Promoting brain health: some studies indicate that drinking black tea can improve blood vessel functions, which improves blood flow to the brain and reduces the risk of cognitive impairment.
11– Possibility to reduce the risk of Parkinson’s disease: as drinks contain caffeine; Such as black tea can reduce the risk of developing Parkinson’s disease.
The harm of drinking tea in large quantities:
Drinking moderate amounts of black tea is safe for the health of adults, but drinking more than five cups per day may not be safe, and excessive drinking may cause some side effects due to its caffeine content; among these symptoms: headache, sleep disturbances, confusion, vomiting, diarrhea, nervousness, tremor, arrhythmia, dizziness, the ringing of the ear, and other symptoms. Caffeinated drinks also can cause Psychological dependence is highly affected. Tea is considered safe for children if consumed in moderation, and a pregnant woman can drink no more than two cups of it during the day. The following are some of the harms that may result from drinking tea in large quantities:
1– Reducing iron absorption: tea is a rich source of tannin compound that associates with the iron element in foods, and reduce its absorption in the digestive system.
2– An increased feeling of anxiety, tension and lack of sleep: excessive consumption of caffeine in tea can cause feelings of stress and lack of sleep; as it reduces the production of the hormone melatonin, which causes lack of sleep, in case these symptoms are observed, it is necessary to reduce drinking tea or consuming alternatives to tea without caffeine.
3– Nausea, dizziness, and headache: irritation in the tissues of the digestive system may occur in some people who suffer from allergies after consuming one to two cups of tea because of its tannin content, and this is what causes symptoms of nausea and stomach pain. Drinking tea in large quantities continuously causes chronic headaches, and large quantities of it may also cause dizziness; however, this side effect is rare and only occurs if tea is consumed in a quantity ranging from 6 to 12 cups, which is equivalent to 1.4 to 2.8 liters.
Common questions about tea:
Is it harmful to drink tea with food or immediately after eating?
Consuming tea with food or immediately after it reduces the absorption of non- heme iron, but drinking it at least an hour after eating food does not reduce iron absorption by the same amount. According to a small study published in the American Journal of clinical nutrition in 2017, the time to drink tea is important to maintain iron levels, especially those who suffer from iron deficiency.
What are the benefits of tea with mint?
Many people used to add mint to tea, but there are no studies that show the benefits of adding it, but mint and boiled mint, in general, have many benefits, such as; reducing indigestion, spasms in the large intestine, and reducing symptoms following surgical procedures, such as; nausea, vomiting, headache reduction, and other symptoms.
What are the benefits of mint tea for men?
There is no information about the benefits of mint tea especially for men, but tea reduces the risk of prostate cancer for men.
Is tea useful for teeth?
There are no studies that show the benefits of tea to the teeth, on the contrary, it has been shown that the continuous consumption of tea is linked to increased erosion of the tooth enamel layer (Dental enamel), according to a study published in the Journal of Dentistry in 2001. However, more studies are still needed on this benefit.
Is tea useful for children?
It was founded that tea may reduce the risk of diarrhea in children between the ages of two to 12 years, according to a study published in the journal Evidence-Based Complementary and Alternative Medicine in 2017, but more studies are still needed to prove these results, but on the other hand, its consumption in large quantities may worsen the case of diarrhea in those with it, especially red tea, due to its high caffeine content.
In general, you should read the contents of the list of ingredients for any type of food or drink before giving it to children, especially teas, because it contains caffeine. Caffeine available in tea may increase their health problems, such as: a poor diet that lacks nutrients and healthy foods, and weight gain; Unlike adults who can drink calorie-free drinks without adding sugar, children prefer sweetened drinks that contain large amounts of sugar, as it has been shown that 90% of school students who are in middle and high school levels do not get enough sleep hours recommended, that is, they sleep less than 8 hours on average, according to a review published in the journal Neuroscience & Biobehavioral Reviews in 2009, in addition to that tea contains compounds of oxalate and tannin that associated with iron, especially non-heme iron which available in vegetarian foods, such as peas, dark green leafy vegetables, nuts, and beans, reduce its absorption.
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