How Green tea useful for our body?
verifier1
Department of General Medicine
Green tea is used as a medicine for thousands of years, originating in China but widely used throughout Asia. It is the healthiest drink on the planet.
Green tea is a product obtained from the "Camellia sinensis" plant . The fresh leaves are used to make medicine. The leaves that have undergone minimal oxidation during processing.
Active Elements Present in Green tea
It contains nutrients and antioxidants,which have powerful effects on the body and also with Polyphenoles like catechins and flavonoids which act as a powerful antioxidants.
The above substances can reduce the formation of free radicals in the body, protecting cells and molecules from damage. These free radicals play an important role in aging and all sorts of diseases.
The main antioxidant Epigallocatechin Gallate (EGCG),is one of the most powerful compounds in green tea which treat numerous diseases and may be one of the main reasons green tea has such powerful medicinal properties. Green tea has small amounts of minerals also that are important for health. The key active ingredient has stimulant activity is known as caffeine.
L -theanine is also present in Green Tea ,increases the activity of the inhibitory neurotransmitter GABA, which has anti-anxiety effects.
Uses
Weight Loss : Green tea elevate the metabolism. The polyphenol found in green tea works to intensify the levels of fat oxidation and the rate at which the body turns eaten food into calories.
Diabetes : Green tea evidently helps to regulate glucose levels slowing the rise of blood sugar after eating. This can prevent high insulin spikes and resulting fat storage.
Heart Disease : Scientists think that the green tea works on the lining of blood vessels, helping keep them stay relaxed and better able to face the changes in blood pressure. It may also protect against the formation of clots, which are the primary cause of heart attacks.
Depression : Theanine is an amino acid present in tea leaves. This substance is thought to provide a relaxing and tranquilizing effect and be a great benefit to tea drinkers.
Esophageal Cancer : Green tea is widely thought to kill cancer cells in general without damaging the healthy tissue around them , so it can reduce the risk of esophageal cancer.
Cholesterol : Green tea reduces LDL (Low Density Lipids ; bad cholesterol) in the blood and improves the ratio of HDL(High Density Lipids ; good cholesterol).
Parkinson’s and Alzheimer’s Disease : Green tea retards the deterioration caused by Alzheimer’s and Parkinson’s. Studies carried out on mice showed that it protected the brain cells from dying and restored damaged brain cells.
Tooth Decay : The antioxidant “catechin” in tea can destroy bacteria and viruses that cause throat infections, dental caries and other dental conditions.
Anti-bacterial and Anti-viral Effect: Tea catechins are strong antiviral and antibacterial agents which make them potent for treating everything from influenza to cancer. In some studies green tea has been shown to inhibit the spread of many diseases.
Some people use green tea to prevent various diseases like cancers, including Breast cancer, Prostate cancer ,Colon cancer, Lung cancer,Gastric cancer, and Skin cancer related to exposure to sunlight. Some women use green tea to fight HPV (Human papilloma virus) ,which may cause genital warts,the growth of abnormal cells in the cervix (cervical dysplasia) ,and cervical cancer.
Green tea is also used for Parkinson’s disease,Crohn’s disease diseases of the heart and Blood vessels,Diabetes,Low blood preassure,Dental cavities (caries),Chronic fatigue syndrome (CFS), Kidney stones and skin damage.
Laboratory studies showed the different health effects of green tea . As the human clinical evidence is still limited, future research needs to define the actual importance of health benefits, establishes the safe range of tea usage associated with these advantage, and explain the mechanisms of action.
Reference:
- Green tea , From Wikipedia, the free encyclopedia.
- Beneficial effects of green tea: A literature review ; PMC ,by Sabu M Chacko, Priya T Thambi, Ramadasan Kuttan and Ikuo Nishigaki.
- Green tea ,from WebMed.
- Benefits of Green tea from Life Hack by Ciara Conlon.
- Green Tea: Health Benefits and Risks from MNT.