What Is Flos Magnoliae (Xin Yi Hua)

Flos Magnoliae is also known as Xin Yi Hua and is the flower bud of Magnolia biondi, Yulan magnolia or Magnolia sprengeri, which are perennial plants. It has a medicinal history of more than 2,300 years.

These three species are native to China and are members of the Magnoliaceae family. There are 210 species of Magnoliaceae.

Magnolia biondii usually grows in mountain forests at an altitude of 400-2,400 meters. It was introduced into the Western Hemisphere more than 70 years ago.

Yulan magnolia usually grows in mountain forests at an altitude of 500-1,000 meters. In the Tang Dynasty, its flowers symbolized purity. Now it is the official city flower of Shanghai.

Magnolia sprengeri usually grows in mountain forests or thickets at an altitude of 1300-2400 meters.

In late winter and early spring and before their flowers open, people pick their flower buds, remove their impurities, dry them in the shade, and make them into Chinese herbs.

Flos Magnoliae contains volatile oil, flavonoids, alkaloids, and lignin. The main volatile oils are citral, eugenol, cinnamaldehyde and eucalyptus oil. The best Flos Magnoliae are completely closed buds with fragrance.

Both <Chu Ci> and <Shennong Ben Cao Jing> recorded Flos Magnoliae. The medicinal property of Flos Magnoliae is relatively warm, with a spicy taste. It has a certain therapeutic effect on the pathological changes of the lung and stomach meridians.

The efficacy of Flos Magnoliae is similar to that of Cang Er Zi (Fructus Xanthii). In traditional Chinese medicine, Flos Magnoliae is often used to treat nasal congestion, rhinitis, sinusitis, and recurrent headaches.

About 100 kinds of traditional Chinese medicine formulas contain Flos Magnoliae, such as Xin Yi San, Xin Yi Bi Yan Wan, and Biyan Pian.

Health benefits of Flos Magnoliae

  • Anti-inflammation, anti-bacteria, and anti-cancer.
  • Repairing dull skin and relieving skin itching.
  • Increasing blood flow in the capillaries.
  • Constricting the blood vessels of the nasal mucosa and promoting the absorption of mucous secretion.
  • Exciting the respiratory system and uterine smooth muscle.
  • Anti-allergen, inhibiting the anaphylactic contraction of the ileum.
  • Preventing blood coagulation, reducing blood pressure, and preventing pulmonary embolism, myocardial infarction and stroke caused by thrombus.
  • Blocking dopamine receptors and sympathetic nerves’ uptake of dopamine, and inhibiting the central dopaminergic nervous system.
  • Treating headache, stuffy nose and runny nose caused by wind-cold.
  • Treating rhinitis, sinusitis, nasopharynx, olfactory degeneration, and chronic tracheitis.
  • Treating tension headache, migraine, and toothache. It has a good therapeutic effect on headache caused by sinusitis.
  • The study found that subcutaneous injection of its decoction can cause local anesthesia.

Flos Magnoliae is used with other Chinese herbs

Side effects of Flos Magnoliae

It has been in clinical use for many years with almost no side effects.

A small number of people taking it may cause allergic reactions such as dizziness, palpitation, chest tightness, nausea and vomiting, itching, and rash.

Precautions of Flos Magnoliae

  • The dosage of Flos Magnoliae should be controlled at 3-10g.
  • It can be made into a decoction or ground into powder for external use.
  • When making a decoction of Flos Magnoliae, you should wrap it in gauze. The villi on the surface of Flos Magnoliae may irritate the throat.
  • People with yin or blood deficiency should not take it.
  • Pregnant women should not take it.

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