Fraxinus rhynchophylla, Qin Pi 秦皮
Korean or Chinese Ash tree
Qin Pi (TCM)
Stab seng སྟབ་སེང༌ (Tibet)
Qin Pi (TCM)
Stab seng སྟབ་སེང༌ (Tibet)
F. chinensis
Nakai, T., Trees and shrubs indigenous in Japan proper [Dai Nihon jumokushi] (1935-1951)
Nakai, T., Trees and shrubs indigenous in Japan proper [Dai Nihon jumokushi] (1935-1951)
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Botanical name:
Fraxinus rhynchophylla (syn. F. chinensis)
Other sources used include: F. bungeana, F. szaboana (syn. F. chinensis var acuminata), F. stylosa, F. mandshurica, F. paxiana (TCM)
F. suaveolens (Tibet)
Parts used:
Bark
Temperature & Taste:
Cool, dry. Astringent
Fraxinus rhynchophylla (syn. F. chinensis)
Other sources used include: F. bungeana, F. szaboana (syn. F. chinensis var acuminata), F. stylosa, F. mandshurica, F. paxiana (TCM)
F. suaveolens (Tibet)
Parts used:
Bark
Temperature & Taste:
Cool, dry. Astringent
Uses:
1. Clears Heat and Damp, Resists Toxin: (TCM, Tibet)
-Diarrhea, Dysentery (TCM)
-abdominal pain from Heat and Damp obstruction (Tibet)
-Leukorrhea with foul-smelling yellow discharge, or with Blood (TCM)
2. Clears Liver Heat, Benefits the Eyes: (TCM)
-red, swollen, sore eyes from Liver heat
-superficial visual obstruction
-Childhood Convulsions from Liver heat
3. Benefits Kidneys, Heals Bones: (Tibet, TCM)
-Essence deficiency causing Lumbago, Impotence, Spermatorrhea (TCM)
-Fractures (Tibet)
-Wind-Damp painful obstruction (TCM)
-'Bone Fever' (Tibet)
4. Clears Heat, Stops Cough: (TCM)
-Lung Heat Cough and Wheezing
-chronic Bronchitis
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DOSE:
6–12 grams in Decoction
2–5 grams in Powder
COMMENT:
This is an interesting medicine as its use in TCM and Tibetan Medicine is quite different. In TCM it is primarily used as an astringent that clears Heat, for Diarrhea, Dysentery and Leukorrhea. It benefits the Eyes, and clears Liver Heat.
In Tibetan Medicine, it is primarily indicated for Fractures, hence the recommendation of Eucommia Du Zhong as a suitable substitute. However, older TCM texts list it as having an Essence-tonifying action, suggesting a strengthening effect on the Kidneys. Its Essence-building quality was noted as being due to both its astringency (which stops loss of Essence), along with a tonifying action of its own. Thus, it also strengthens the Kidneys, Bones and Lower Back which is also related to its TCM indication of being useful for Wind-Damp pain (arthritis and rheumatic pain).
It's also worth noting that Ash tree 'keys' (seed pods) were highly regarded as an aphrodisiac Kidney tonic in the Western Tradition, indicating a Kidney tonic action of the tree.
SUBSTITUTE:
1. Eucommia Du Zhong has been listed as a substitute by Tibetan sources (in Russia). This is an effective substitute for one of the primary indications in Tibetan Medicine, to heal fractures, and for weak and aching lower back. It is not a suitable substitute to clear Heat and Damp in Diarrhea and Dysentery, however.
PREPARATION:
Charred Fraxinus Qin Pi:
The bark is dry-fried until well scorched. This enhances its astringent effect and lessens its coldness. It makes it more effective to stop Bleeding and restrain Diarrhea and Dysentery, so is useful for Diarrhea with blood, pus or mucus in the stool. (TCM)
6–12 grams in Decoction
2–5 grams in Powder
COMMENT:
This is an interesting medicine as its use in TCM and Tibetan Medicine is quite different. In TCM it is primarily used as an astringent that clears Heat, for Diarrhea, Dysentery and Leukorrhea. It benefits the Eyes, and clears Liver Heat.
In Tibetan Medicine, it is primarily indicated for Fractures, hence the recommendation of Eucommia Du Zhong as a suitable substitute. However, older TCM texts list it as having an Essence-tonifying action, suggesting a strengthening effect on the Kidneys. Its Essence-building quality was noted as being due to both its astringency (which stops loss of Essence), along with a tonifying action of its own. Thus, it also strengthens the Kidneys, Bones and Lower Back which is also related to its TCM indication of being useful for Wind-Damp pain (arthritis and rheumatic pain).
It's also worth noting that Ash tree 'keys' (seed pods) were highly regarded as an aphrodisiac Kidney tonic in the Western Tradition, indicating a Kidney tonic action of the tree.
SUBSTITUTE:
1. Eucommia Du Zhong has been listed as a substitute by Tibetan sources (in Russia). This is an effective substitute for one of the primary indications in Tibetan Medicine, to heal fractures, and for weak and aching lower back. It is not a suitable substitute to clear Heat and Damp in Diarrhea and Dysentery, however.
PREPARATION:
Charred Fraxinus Qin Pi:
The bark is dry-fried until well scorched. This enhances its astringent effect and lessens its coldness. It makes it more effective to stop Bleeding and restrain Diarrhea and Dysentery, so is useful for Diarrhea with blood, pus or mucus in the stool. (TCM)
Main Combinations:
1. Diarrhea or Dysentery from Damp-Heat:
i. Fraxinus Qin Pi with Costus (Mu Xiang), Coptis Huang Lian
ii. Fraxinus Qin Pi with Phellodendron Huang Bai, Pulsatilla Bai Tou Weng (as in Bai Tou Weng Tang)
2. Sore, red, swollen Eyes from Liver heat:
i. Fraxinus Qin Pi with Chrysanthemum Ju Hua
ii. Fraxinus Qin Pi with Coptis Huang Lian
iii. Fraxinus Qin Pi with Prunella Xia Ku Cao, Chrysanthemum Ju Hua, Lycium Gou Qi Zi
3. Leukorrhea, with foul-smelling yellow discharge from Damp-Heat, Fraxinus Qin Pi with Paeonia Mu Dan Pi
Major Formulas:
Bai Tou Weng Tang
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Cautions:
Caution in Cold and Weakness of the Stomach
Main Preparations used:
Caution in Cold and Weakness of the Stomach
Main Preparations used: