Dryopteris fragrans, Xiang Lin Mao Jue 香鳞毛蕨

Fragrant Shield Fern, Fragrant Wood Fern
Xiang Lin Mao Jue (TCM)
Ldum bu re ral  ལྡུམ་བུ་རེ་རལ  ‘Minister Fern’ (Tibetan Medicine)
Picture Dryopteris fragrans
Oeder, G.C., Flora Danica, (1761-1883)

Picture Britton and Brown, Illustrated Flora, Vol. 1, 1913

Picture Dryopteris fragrans
(Photo by Superior National Forest) (Wikimedia)

Botanical name:


Dryopteris fragrans

Parts used:


Whole Herb

Temperature & Taste:


Cold, dry. Bitter. slightly Toxic

Uses:


1. Clears Wind-Damp, Resists Poison:
-Arthritis (TCM)
-Dermatitis, Eczema, Psoriasis (TCM)
-Neutralizes Poison (Tibetan)

2. Clears Heat, Resolves Masses:
-Tumors, Cancer: has been effective against Hepatoma, Lung Cancer, Sarcoma etc
-a number of active compounds have demonstrated anti-cancer effects and are Cytotoxic.
-also for Wounds in Tibetan Medicine


3. Clears Heat and Damp:
-Kidney diseases with Fever (Tibetan Medicine)
-Dysentery with Fever (Tibetan Medicine)


Dose:


Powder: 1–3 grams
Decoction: 3–9 grams

Main Combinations:



Major Formulas:


Universal Conquering Vajra (Tibetan Mediicne)

Cautions:


Avoid overdose

Main Preparations used:




1. Compounds from Dryopteris Fragrans (L.) Schott with Cytotoxic Activity
2. A New Human Cancer Cell Proliferation Inhibition Sesquiterpene, Dryofraterpene A, from Medicinal Plant Dryopteris fragrans (L.) Schott
3. Anticancer Phenolics from Dryopteris fragrans (L.) Schott