Trang chủ Sản phẩm Sản phẩm thảo dược phơi khô Xiang Fu (Cyperi Rhizoma) - Nutgrass Rhizome

Xiang Fu (Cyperi Rhizoma) - Nutgrass Rhizome

Mã sản phẩm: SKU-0859122025

Xiang Fu (Cyperi Rhizoma, Nutgrass Rhizome) is one of the most essential herbs in Traditional Chinese Medicine for regulating Qi, especially Liver Qi constraint, a core pathological mechanism behind many modern disorders such as menstrual irregularities, dysmenorrhea, functional digestive discomfort, stress-related headaches, and emotional tension.

In classical TCM theory, Xiang Fu belongs to the category of Qi-regulating herbs, entering the Liver and San Jiao channels. Its primary function is to restore the free flow of Qi, harmonizing the Liver–Spleen–Stomach axis and alleviating pain, distension, and functional disharmony caused by Qi stagnation.

Clinically, Xiang Fu is best known for gynecological applications, including irregular menstruation, premenstrual syndrome, breast distension, and abdominal pain associated with constrained Liver Qi. It is also widely used for epigastric fullness, poor appetite, nausea, and stress-induced digestive disorders, where emotional factors impair normal Qi movement.

Appropriate candidates for Xiang Fu are individuals presenting signs of Liver Qi stagnation: emotional irritability, chest or hypochondriac tightness, cyclic pain, stress-related insomnia, and tension-type headaches (especially vertex headaches).
Important cautions: Xiang Fu should be used carefully or avoided in cases of Qi deficiency without stagnation, Yin deficiency with Blood Heat, excessive uterine bleeding due to deficiency, and during pregnancy, unless prescribed by a qualified TCM practitioner.

For optimal results, Xiang Fu should be selected and combined based on pattern differentiation, not used symptomatically without a clear TCM diagnosis

Medicinal Herb Name: Xiang Fu (Cyperi Rhizoma) - Nutgrass Rhizome

Common English name: Nutgrass Rhizome
Scientific / pharmacognostic name: Cyperus rotundus L. (Cyperi Rhizoma)
Family: Cyperaceae
Part used: Dried stem and root
Storage: Store in a dry, well-ventilated place; avoid dampness and mold

Nature, Flavor, and Channel Tropism

  • Flavor (Wei): acrid, bitter, slightly sweet
  • Nature (Qi): neutral (ping)
  • Channels entered (Gui Jing): Liver and Triple Burner / San Jiao

Actions and Indications (TCM)

According to East Asian medicine, Xiang Fu:

  • Moves Qi
  • Regulates the menses
  • Soothes the Liver and relieves constraint
  • Promotes the free flow of Qi dynamics in the Liver–Spleen–Stomach axis
  • Alleviates pain

Clinical Uses by System

1) Gynecology – Endocrine

Strongest key use of Xiang Fu:

  • Regulates menstruation; treats irregular menstruation; reduces dysmenorrhea (noted mechanism: inhibition of uterine contractions).
  • Treats chronic endometritis; metrorrhagia; supports management of premenstrual breast nodules/lumps.
  • Used for women’s conditions before and after childbirth, including postpartum abdominal pain.
  • For pregnancy-related dry retching, sour-water vomiting; restless fetus.

2) Cardiovascular System

  • Lowers blood pressure
  • Cardiotonic effect; protects myocardium in ischemia
  • Antioxidant and anti-inflammatory actions, reducing risk of atherosclerosis

3) Respiratory System (Indirect effect)

  • Not primarily a Lung remedy; however, stress and Qi constraint may cause dyspnea/tight chest → can be used to relieve constraint and facilitate Qi movement

4) Digestive System – Hepatobiliary

  • Poor appetite, vomiting, indigestion, abdominal distension; dysentery, diarrhea; digestive disorders due to Dampness with Qi stagnation; abdominal pain due to intestinal spasm (noted: inhibitory effect on ileum).
  • Supports management of rectal prolapse and persistent oozing bleeding hemorrhoids.
  • Functional gastralgia; reduces burning gastric acid (noted “according to Ayurveda”).
  • Soothes Liver → reduces Qi constraint, helping relieve hypochondriac/chest oppression and distension.

5) Metabolism

  • Reduces blood lipids; supports weight reduction / anti-obesity; lowers blood glucose; protects the liver from chemical/drug-induced injury

6) Urinary – Reproductive

  • Mild diuretic; supports management of kidney/bladder stones; improves dysuria, strangury-like symptoms, urinary tract inflammation.
  • Treats nocturnal emission. Some Egyptian medical traditions consider it to “support Yang and increase libido.”

7) Nervous System

  • Central nervous system inhibitory effect → mild sedation; supports mild insomnia.
  • Reduces irritability; improves stress, restlessness, easy anger due to Liver Qi constraint.
  • Treats headache due to Qi constraint and “Qi/heat rising” causing dizziness; pain in the vertex or unilateral headache.
  • Neuroprotection; anti-convulsant effect.

8) Immune System

  • Volatile oil inhibits Staphylococcus aureus, dysentery bacilli, yeasts, filamentous fungi, parasites. Egyptian folk medicine and Unani: used to support treatment of intestinal worms.
  • Strong anti-inflammatory activity (inhibits COX, NO, inflammatory cytokines); antioxidant; cellular protection.

9) Dermatology

  • Supports mild boils/furuncles, pruritic rashes, herpes, skin ulcers (noted “according to Ayurveda”).
  • Suitable for oily skin patterns associated with Damp-Heat (noted term: Mustaka).

Chemical Constituents

  1. Volatile oil (0.3–2.8%): Cyperene ~32%; sesquiterpene alcohols ~49%; cyperone; isocyperotundone; cyperol; cyperenol; α-cyperone; cyperotundone; cyperolone; fatty acids; phenols.

Volatile-oil composition varies by origin:

  • China: cyperene, isocyperotundone
  • Japan: cyperol, cyperenol (~49%), cyperene (~32%), α-cyperone, cyperotundone, cyperolone
  • India: cyperone
  1. Alkaloids: stepharine, N-nornuciferine, asmilobine
  2. Triterpenoids & organic acids: betulinic acid, oleanolic acid, maslinic acid, crategolic acid, alphitolic acid, 3-O-trans-p-coumaroylmaslinic acid, 3-O-cis-p-coumaroylmaslinic acid
  3. Saponins: Zizyphus saponin, jujuboside B
  4. Flavonoids & vitamins: rutin (~3385 mg/100 g), vitamin C (540–972 mg/100 g), vitamins A, B1, B2, B3, carotene
  5. Amino acids: lysine, aspartic acid, asparagine, proline, valine, leucine
  6. Sterols & fatty acids: oleic acid, sitosterol, stigmasterol, desmosterol
  7. Others: starch (high content), minerals (calcium, phosphorus, iron)

Administration and Dosage

6–12 grams/day, used as a decoction, powder, pills, medicinal wine, or incorporated into extracts / pastes and traditional forms (wan, san, etc.).

Contraindications and Cautions

Avoid or use with caution in:

  • Pregnancy (avoid self-medication)
  • Yin deficiency with Blood-Heat
  • Bleeding/coagulation disorders or those taking anticoagulants
  • Bradycardia (slow heart rate)
  • Use caution in heavy/prolonged uterine bleeding due to deficiency and in patterns of Qi deficiency / Spleen deficiency without accompanying Qi stagnation.

 

ECOLOGICAL VALUE AND IMPACTS OF PURPLE NUTSEDGE

Beyond its therapeutic value, Purple Nutsedge (Cyperus rotundus L.) has distinctive ecological characteristics related to regeneration, plant interactions, and soil environments:

  • Strong Adaptation and Regeneration: Its underground rhizomes and tubers store nutrients, enabling survival under unfavorable conditions and rapid regeneration, particularly in frequently disturbed soils.
  • Impacts on Plant Communities: Purple Nutsedge competes strongly for water, light, and nutrients. Compounds released from its roots and plant residues may also inhibit the germination and growth of certain crops.
  • Soil Remediation Potential: Studies have demonstrated its ability to absorb and accumulate certain heavy metals, including cadmium, lead, and chromium, suggesting potential applications in plant-based remediation of contaminated soils.
  • Sustainable Ecological Management: The plant spreads rapidly through tubers and rhizomes, making weed control difficult. Preventing its spread during harvesting and avoiding medicinal use of plants collected from contaminated soils are essential.

Purple Nutsedge offers medicinal value and potential applications in soil remediation research, but its aggressive growth and competitive effects may negatively impact agricultural ecosystems. Responsible utilization requires ecological management and careful control of medicinal plant sources.

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