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Zhi Zi, known in English as "gardenia" or scientifically as "Gardenia jasminoides,"

is a plant species belonging to the Rubiaceae family. It is native to East Asia and widely cultivated for its ornamental value as well as for medicinal purposes within Traditional Chinese Medicine (TCM). The plant's bright yellow or white, strongly fragrant flowers are particularly sought after.

In TCM, Zhi Zi is used for its cooling and detoxifying properties. It is believed to clear heat, cool the blood, and reduce irritability. Traditional uses include treating high fever, inflammation, headaches, and skin conditions such as eczema and jaundice. Gardenia fruit is also used in TCM to relieve symptoms of emotional distress, such as restlessness and irritability caused by internal heat.

The active compounds in gardenia fruits include iridoid glycosides—such as genipin and geniposide—as well as flavonoids, organic acids, and terpenoids. These constituents may contribute to its pharmacological effects, which can include anti-inflammatory, antimicrobial, and antioxidant activities.

Gardenia is commonly prepared as a tea or in combination with other herbs in formulas. It's available in dried form and can be found in various health supplements and traditional remedies. Its bitter taste is often balanced with other ingredients to improve palatability.

Keyword:  Gardenia  Dried gardenia tea  Gardenia extract

Function of gardenia

1.Gardenia fruit is a traditional Chinese medicine, with liver protection, gallbladder, antihypertensive, sedative, hemostatic, swelling and other effects. It is often used in the treatment of jaundice hepatitis, contusion, hypertension and diabetes. 

2.Contain crocus pigment glycoside, can make yellow dye.

3.Gardenia bitter cold, can be bowel laxative, cancer prevention, gardenia contains cellulose, can prevent the onset of hemorrhoids and rectal cancer. Gardenia root, leaves, fruit can be used as medicine, have purging fire in addition to trouble, anti-inflammatory dispelling heat, heat diuresis, cool blood detoxification effect.

How to eat it：

1. Cold gardenia flower, this dish has the effect of clearing heat, cooling blood and detoxifying,

2. Scorpion egg flower, suitable for stomach hot breath, bad gums, swelling, pain, poor bowel and other diseases. 

3. Flower tea, drink directly with hot water when drinking, add rock sugar, honey, etc. to increase sweetness.