All-Grass of Chinese Brake (Feng Wei Cao)

All-Grass of Chinese Brake (Pteris multifida), commonly known as Feng Wei Cao (净尾草) in Chinese, is a type of brake fern native to China and other parts of Asia. It has been used in traditional Chinese medicine (TCM) for various health benefits.

Botanical & Traditional Use

  • Scientific Name: Pteris multifida
  • Family: Pteridaceae
  • Common Names: Chinese Brake Fern, Feng Wei Cao (净尾草)
  • Habitat: Found in forests, hillsides, and damp areas across China, Japan, and Southeast Asia.

Medicinal Properties & Uses in TCM

In traditional Chinese medicine, Feng Wei Cao is used for:
βœ… Detoxification – Helps remove toxins from the body.
βœ… Cooling effect – Used for fevers and heat-related ailments.
βœ… Diuretic properties – Supports kidney function and reduces water retention.
βœ… Anti-inflammatory – Used to treat wounds, swelling, and infections.
βœ… Lung health – Sometimes used for coughs, bronchitis, and respiratory issues.
βœ… Hemostasis (Stops bleeding) – Applied for minor cuts and excessive menstrual bleeding.

Preparation & Usage

  • Decoction: Boiled in water for internal use.
  • Poultice: Crushed leaves applied externally for wounds.
  • Tea: Dried herb steeped in hot water.

Precautions

  • Should be used under the guidance of a professional, especially for pregnant women or individuals with chronic conditions.
  • Some ferns contain thiaminase, which can break down vitamin B1, so long-term excessive use is not recommended.
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Chemical Composition of Feng Wei Cao (Pteris multifida)

Chinese Brake Fern contains various bioactive compounds that contribute to its medicinal properties:

πŸ”Ή Flavonoids – Antioxidant and anti-inflammatory effects
πŸ”Ή Terpenoids – Anti-microbial and immune-boosting properties
πŸ”Ή Phenolic Compounds – Help with detoxification and free radical removal
πŸ”Ή Saponins – Support immune function and may help with respiratory issues
πŸ”Ή Tannins – Astringent effects, aiding wound healing and stopping bleeding
πŸ”Ή Polysaccharides – Enhance immune regulation and energy metabolism


Traditional Recipes & Preparations

1. Feng Wei Cao Detox Tea (For General Health & Cooling Effect)

βœ… Ingredients:

  • 10g dried Pteris multifida
  • 500ml water
  • Optional: Honey or rock sugar for taste

πŸ”Ή Preparation:

  1. Rinse the dried herb to remove any dust.
  2. Boil in water for 10–15 minutes.
  3. Strain and drink warm.

πŸ”Ή Benefits:

  • Helps detoxify the body
  • Reduces internal heat (good for fever, sore throat)
  • Supports urinary health

2. Anti-Inflammatory & Wound-Healing Poultice

βœ… Ingredients:

  • Fresh Pteris multifida leaves
  • A few drops of clean water or honey (optional)

πŸ”Ή Preparation:

  1. Crush the fresh leaves into a paste.
  2. Apply directly to wounds, bruises, or inflamed areas.
  3. Cover with clean gauze and leave for a few hours.

πŸ”Ή Benefits:

  • Helps stop minor bleeding
  • Reduces inflammation and swelling
  • Aids wound healing

3. Feng Wei Cao Soup for Lung & Kidney Support

βœ… Ingredients:

  • 15g dried Pteris multifida
  • 1 piece lean pork or chicken (about 100g)
  • 3–5 red dates
  • 1 piece ginger (optional)
  • 1L water
  • Salt to taste

πŸ”Ή Preparation:

  1. Rinse the herb and ingredients.
  2. Place everything in a pot with water and bring to a boil.
  3. Simmer for 1–2 hours.
  4. Strain and drink the soup while warm.

πŸ”Ή Benefits:

  • Strengthens lung function (useful for coughs or respiratory weakness)
  • Nourishes the kidneys
  • Improves immunity

Precautions & Side Effects

⚠ Not for long-term excessive use – May affect vitamin B1 levels due to thiaminase content.
⚠ Avoid during pregnancy – Limited research on safety for pregnant women.
⚠ Use with caution if allergic to ferns – May cause mild reactions in sensitive individuals.
⚠ Consult a doctor if on medication – Especially for blood thinners or kidney-related conditions.