Tea is of all kinds. including black tea, the second most consumed beverage in the world, It ranks second after water.
Black tea is known for its stimulating effects and for promoting mental alertness. It also has other health benefits.
Black tea is a stronger version of the Camellia sinensis plant that produces green, white and Chinese tea as well.
Black tea leaves are prepared by breaking or rolling the leaves. allowing it to fully oxidize, It is a process that involves the reaction of oxygen with the leaves to produce the needed active ingredients.
The origins of black tea
Black tea originated in China , the Dutch first brought the tea to Europe in 1610, and it arrived in England in 1658.
Then its popularity rose in the American colonies of England during the eighteenth century, And by 1800, The English consumed annually 2.5 pounds of tea and 17 pounds of sugar per person.
The next leap in black tea production came when the Camellia sinensis assamica tea plant variety was discovered in 1823 in the Assam region of India.
in 1835, The English began to plant tea gardens in the Darjeeling region of India. These different types of black tea soon became popular exports to England.
Three of the largest producers of black tea today are India, Sri Lanka and Africa. As a matter of fact Half of the world’s tea production comes from India.
Black tea nutrients
Black tea contains many important components and nutrients , most notably:
- Amino acids
- volatile organic compounds, which contribute to aroma and taste
Calories in black tea
Tea is the ideal choice for reducing calories in the diet.
Also, the tea has a stronger flavor and more caffeine due to its long oxidation. This does not add more calories.
The amount of calories in black tea, about 2 calories per cup, But its quantity is affected by other products added to it, such as sugar, honey or milk.
A teaspoon of sugar adds about 15 calories. Two tablespoons of yogurt add 12 calories.
Adding a half-ounce packet of honey to your tea gives you 43 calories.
This is what makes nutrition experts recommend adding other alternatives to tea, such as stevia (diet sugar), to black tea.
Caffeine in black tea
Coffee generally has more caffeine per cup than black tea, but, like any beverage, it is prepared from a caffeinated plant.
There are a lot of factors that can determine the nine keff levels in a cup of black tea, Including how to process the plant.
An average cup of tea (8 ounces) contains 14: 61 milligrams of caffeine.
Health benefits of tea
Prevent tooth decay
Black tea also contains enough fluoride to help prevent dental disease. It may be effective in atherosclerosis, kidney stones, and Parkinson’s disease.
Cancer research suggests that black tea may have an effect in reducing the risk of some types of cancer. such as prostate and lung cancer.
The antioxidants in black tea help fight free radicals. They are unstable molecules in the body that can cause cancer if they accumulate.
One study indicates that phenolic compounds, that have antioxidant effects, They constitute up to 30% of the dry weight of black tea.
Black tea and blood pressure
Italian researchers have shown that drinking one or more cups of black tea per day slightly lowers blood pressure and improves artery elasticity.
This does not make black tea a healthy drink. Although, the flavonoids and some other substances in black tea are definitely good for the heart (not to mention the rest of the body).
except that, According to the Harvard Health website , the effect of these substances is small and the evidence is limited.
tea and improve brain health
And in a study published in September 2019, Research conducted by the National University of Singapore showed that regular tea drinkers have better regulated brain regions compared to non-drinkers.
Black tea and weight loss
In a study published in October 2017, University of California – Los Angeles Health Sciences, Research indicates that black tea may promote weight loss
Black tea works by changing the bacteria in the gut to support and promote gut health.
Tea and diabetes
In a study published in August 2009, The Institute of Food Technologists released a study confirming that black tea contains antioxidants. that boost immunity.
The study also revealed that there are properties in black tea that help treat high blood pressure. As well as controlling diabetes.
Reducing harmful cholesterol
The body contains two lipoproteins that transport cholesterol throughout the body.
The first is low-density lipoprotein (LDL). The other is high-density lipoprotein (HDL).
LDL is considered the “bad” lipoprotein because it transports cholesterol to cells throughout the body.
at the same time , HDL is considered the “good” lipoprotein because it transports cholesterol away from your cells and to your liver for excretion.
Some studies have found that drinking tea may help reduce bad cholesterol. Drinking five servings of tea a day reduces LDL cholesterol by 11%.
Read: Benefits of garlic tea
Reducing the risk of stroke
80% of strokes are preventable, By managing your diet, physical activity, blood pressure, and not smoking, you can help reduce your risk of stroke.
Studies have found that drinking black tea may also help reduce the risk of stroke.
It was found that those who drank four or more cups of black tea a day were 32% less likely to have a stroke than those who did not drink tea.
Other health benefits
According to the United States Tea Association, black tea accounted for about 84% of tea consumption in the United States in 2018.
Which reflects the health and nutritional value of black tea, Which, in addition to the previous benefits, is represented in improving bone density, reduce the risk of rheumatoid arthritis, and protection against Parkinson’s disease.
Black tea side effects
Black tea can affect your stomach. Although you may drink the tea because of an upset stomach and diarrhea, However, black tea may exacerbate symptoms.
Black tea contains two natural substances – caffeine and tannins – that can cause digestive problems. Such as stomach upset or nausea.
Caffeine can cause many problems in the digestive system. It increases the amount of acid in the stomach, Which can give you an upset stomach or heartburn.
It also has a diuretic effect, Excessive drinking of tea can increase the amount of fluid lost through urine to the extent that it may lead to dehydration.
Caffeine can also aggravate intestinal conditions such as irritable bowel syndrome. as well as iron malabsorption, According to a University of North Carolina Wilmington report.
Consuming too much caffeine leads to an irregular heartbeat. An increase or decrease in blood sugar.
Tea contains a number of toxic elements such as lead and aluminum. And in large doses, These heavy metals can be toxic to humans.
Minor traces of arsenic and cadmium can be found in some teas. But not in harmful amounts.
Black tea also contains high levels of manganese. The body needs this mineral. But it can be very toxic.
Black tea and pregnancy
It is best to avoid regular black tea , you can safely drink decaffeinated black tea during your pregnancy.
This is due to specific ingredients. For example Caffeine can cross the placenta and increase the risk of miscarriage if you consume it in large amounts.
Black tea and gout
Gout is a form of arthritis caused by an excessive buildup of uric acid in the body.
lead salt, which is called irate, From excess uric acid to crystals forming in your joints, Which leads to pain and inflammation.
Gout is associated with high triglycerides, excess alcohol consumption, and consumption of purine-rich foods such as meat and shellfish.
According to the University of Maryland Medical Center, Black tea is one of the beverages that you should avoid or at least reduce your consumption if you have this disease.
Tea contains calcium oxalate, which helps to increase the risk of disease even more. It also contains purines, which are associated with an increased risk of gout.