Green tea is the healthiest tea, possibly the healthiest beverage, in the world. It is rich in nutrients and has large number of health and beauty benefits.

Green Tea Production

Green tea is extracted from leaves of a plant called Camellia sinensis. Although, green, black, white and oolong tea are made from the leaves of the same plant, the difference in how the tea leaves are processed determines how the tea turns out.

Production Process

Black tea is completely oxidized tea.

Oolong tea is partly oxidized tea.

And, green tea is fully unoxidized tea.

Besides, production of green tea involves following steps.

  1. Fresh tea leaves are spread out on bamboo trays and exposed to warm air and sunlight for couple of hours.
  2. The leaves are then quickly heated, whether by steaming or pan firing, in order to prevent oxidation of leaves.
    Note: Pan frying is popular in China. And, Steaming technique is popular in Japan.
  3. The tea leaves are then rolled; rolling of leaves gives tea its unique flavor and aroma. 
  4. Finally, the rolled leaves are dried, packed and sold.

There are different varieties of green tea. They are all made from the same tea plant Camellia sinensis, but what makes them different is the process of production, growing conditions, time of harvest and so on. The taste of the green tea would be different based on the brewing technique.

History of green tea

Green tea was first brewed in ancient China during the reign of Emperor Shennong. It is regarded as the oldest tea. Information on where or how the tea was first used is inconclusive (whether Japan or China) as tea was massively used in ancient China as well as Japan. To this day, major production of green tea comes from there. However, the tea from China is believed to have more earthy taste.

Green Tea Components

Green tea is rich with nutritious ingredients. It has been found that green tea contains more than 200 bio-active compounds in abundance.

Ingredients Fact Sheet

Quantity: 1 Mug [8 fl oz]
Calories: 5
Caffeine: 24 - 45 mg

Ingredients Quantity Average Intake Daily Value %
Protein 0.47 g 51000 mg 0.92 %
Sugar 0 g 30000 mg 0 %
Sodium 7 mg 2300 mg 0.3 %
Potassium 63 mg 4700 mg 1.34 %
Calcium 7 mg 1000 mg 0.7 %
Magnesium 4 mg 350 mg 1.14 %
Phosphorus 4.7 mg 1000 mg 0.47 %
Iron 0.45 mg 15 mg 3 %
Copper 0.02 mg 1.5 mg 1.33 %
Fluoride 2.36 mg 3.5 mg 67.43 %
Manganese 0.72 mg 5 mg 14.4 %
Vitamin B2 0.11 mg 1.3 mg 8.46 %
Vitamin B6 0.02 mg 15 mg 0.13 %
Vitamin C 14 mg 75 mg 18.67 %
Folate 0.03 mg 0.4 mg 7.5 %
Dietary Fiber 0 g 30000 mg 0
Cholesterol 0 mg 250 mg 0
Total Fat 0 mg 61000 mg 0
Total Carbohydrate 0.47 g 300000 mg 0

Polyphenols in a cup of green tea

Polyphenols Theogallin Theanine Catechins
Amount 2 - 3% 4 - 6% 5 - 9.5%

Benefits of green tea

Drinking a cup of green tea every day can help you in living a healthy life. All the bioactive compounds found in green tea helps in protecting you from health issues such as bacterial infection, allergy to cardiovascular diseases and cancer. Besides, it provides naturally beautiful skin and hair, keeping you healthy inside out. 

Drink green tea with caution

Although green tea is considered to be one of the healthiest drinks, you must be aware of its adverse effects. Drinking green tea excessively can invite various health issues anxiety, insomnia, miscarriage, premature delivery, upset stomach, etc. And, it is always suggested to consult your health expert before switching to green tea if you are under any kind of medication.



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