Jiaogulan tea (绞股蓝茶, Jiǎo Gǔ Lán Chá) is made from the leaves and buds of Gynostemma pentaphyllum through the combination of modern Chinese medicine processing and ancient method of tea processing. Jiaogulan tea is also an ancient Chinese herbal tea.
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What Is Jiaogulan
Jiaogulan is mainly distributed in Asia. In China, it is mainly distributed in southern cities, known as “Southern Ginseng”.
Jiaogulan growing in the South has a relatively high medicinal value. In 1986, China selected Jiaogulan as the first “precious Chinese medicine” to be developed. On March 5, 2002, the Ministry of Health of China included it in the list of health products.
Many ancient Chinese medical books recorded different types of Jiaogulan. According to the number of leaves, Jiaogulan can be classified into nine-leaf Jiaogulan, seven-leaf Jiaogulan, five-leaf Jiaogulan, three-leaf Jiaogulan, and two-leaf Jiaogulan, among which the nine-leaf and seven-leaf Jiaogulan are the best.
How to Make Jiaogulan Tea
Take 3-5g of dried Jiaogulan, add 500ml of 100℃ water, cover it with a lid, and make it steep for 3 minutes.
There are a lot of bubbles in the first steeping. The bubbles are called gypenosides and are the effective components of Jiaogulan.
Because the gypenosides in Jiaogulan have a high melting point, they should be dissolved at a high temperature. Hot water can not only fully extract the effective ingredients of Jiaogulan, but also maintain the color and taste of the tea.
If it is used for health care, the dosage should be controlled at 3-5g. If it is used for the treatment of diseases, its dosage should be more than 9g.
According to taste, there are bitter Jiaogulan tea and sweet Jiaogulan tea. Seven-leaf Jiaogulan tea has a bitter taste and five-leaf Jiaogulan tea has a sweet and fresh taste.
Benefits of Jiaogulan Tea
- Help sleep
- Protect liver
- Lower blood lipids
- Lower blood sugar
- Lower blood pressure
- Boost immune system
- Prevent cardiovascular disease
The main effective components of Jiaogulan tea are gypenosides, water-soluble acids, flavonoids, vitamins, trace elements, and so on.
Gypenosides have the functions of lowering blood lipids and blood sugar, anti-cancer, anti-aging, protecting the liver, and boosting the immune system. Gypenosides are mainly distributed in the leaves of Jiaogulan, and the content of it in the leaves is higher than that in other parts.
Jiaogulan tea can regulate the balance of excitatory and inhibitory responses in the cerebral cortex and has a two-way regulatory effect on the central nervous system. So Jiaogulan tea has the functions of antidepressant, anti-stress and relieving fatigue.
Jiaogulan tea can prolong the number of passages in cell reproduction and inhibit the formation of lipofuscin, which leads to aging of the human body.
It has been proved by pharmacological practice that Jiaogulan can prevent normal cells from cancerization, and it mainly acts the DAN synthesis process of tumor cells.
Lower Blood Lipids
Jiaogulan tea can significantly reduce cholesterol (TCH), triglyceride (TG), low-density lipoprotein (LDL), prevent the deposition of lipids in the walls of blood vessels, and prevent arteriosclerosis.
Lower Blood Sugar
Jiaogulan tea can protect the adrenal gland, thymus, and endocrine organs, and maintain the normal function of the endocrine system. So Jiaogulan tea has the effect of lowering blood sugar and improving glucose metabolism.
Boost Immune System
Jiaogulan tea can significantly increase the number of white blood cells and enhance the phagocytic function of white blood cells.
Prevent Cardiovascular Disease
The extract of Jiaogulan has an obvious protective effect on experimental myocardial infarction. It also has a good effect on coronary heart diseases.
In conclusion, Jiaogulan tea is suitable for people with hyperlipidemia, hypertension, hyperglycemia, cardiovascular and cerebrovascular diseases, obesity, insomnia, weak immunity, endocrine disorders, long-term state of fatigue, etc.
Side Effects of Jiaogulan Tea
Although Jiaogulan tea is good, it is not suitable for everyone. The medicine property of Jiaogulan is cold, so people with spleen and stomach deficiency or have a cold should not drink it, otherwise, it may cause nausea, vomiting, abdominal distension, diarrhea, dizziness, tinnitus, and other adverse reactions.
When drinking Jiaogulan tea, it is best to drink a small amount first, and gradually increase after the body adapts.