Jiaogulan tea or Gynostemma pentaphyllum tea is an ancient Chinese herbal tea. It is made from the tender leaves and buds of Gynostemma pentaphyllum through the combination of modern Chinese medicine processing and ancient method of tea processing.
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 content, which is called as the magic “eternal longevity herb”. In 1986, China listed Jiaogulan as the first “precious Chinese medicine” to be developed. On March 5, 2002, the Ministry of Health of China has included it in the list of health products.
China has counted as many as 16 species of Jiaogulan, and many ancient Chinese medical books also record different types of Jiaogulan. According to the number of leaves, Jiaogulan can be divided 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.
1. How to make Jiaogulan tea
Take 3-5g of dried Jiaogulan, brew it with 100℃ water, 500ml of water is suitable, cover it with lid and make it steep for 3 minutes.
There are a lot of bubbles in the first tea brewing. The bubbles are the effective component of Jiaogulan called gypenosides.
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 tea color and good taste.
If it used for health care, the dosage should be controlled at 3-5g. If it is used for the treatment of diseases, it 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.
2. Health benefits of Jiaogulan tea
The main effective ingredients of Jiaogulan are gypenosides, water-soluble acids, flavonoids, vitamins, trace elements, minerals, etc.
Gypenosides have the functions of lowering blood lipids and blood sugar, anti-tumor, anti-aging, protecting the liver and enhancing the body’s immune function.
Gypenosides are mainly distributed in the leaves, and the content of it in the leaves is higher than that in other parts.
Reducing blood fat
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.
Preventing cardiovascular disease
The extract of Jiaogulan has an obvious protective effect on experimental myocardial infarction. Jiaogulan tea has a good effect on coronary heart diseases.
Lowering blood sugar
Jiaogulan 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.
Jiaogulan 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 sedation, hypnosis, anti-stress and relieving fatigue.
Jiaogulan 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.
Jiaogulan can significantly increase the number of white blood cells and increase the phagocytic function of white blood cells.
In conclusion, Jiaogulan tea is suitable for people with hyperlipidemia, hypertension, hyperglycemia, cardiovascular and cerebrovascular diseases, obesity, insomnia, low immunity, endocrine disorders, long-term state of fatigue, etc.
3. 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 and cold drinking 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 then gradually increase the amount after the body adapts.