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Chinese Materia Medica(2)

1. Herbs for Relieving Exterior Syndromes (Pungent and Warm)

1) ephedra

2) cinnamon twig

3) schizonepeta

4) ledebouriella root

5) perilla leaf

6) fresh ginger

7) notopterygium root

8) dahurian angelica root

9) chinese lovage root

10) spring onion

11) magnolia flower

2. Herbs for Relieving Exterior Syndromes (Pungent and Cool)

(to be continued)


materia medica


Cinnamon twig


Botanical Name : Cinnamomum cassia  
Parts Used : Ramulus  
Possible English Names : cinnamon twig, cinnamon cassia, cinnamon tree  
Japanese Name : keishi  
Chinese Name : gui zhi  
Property : warm  
Taste : pungent and sweet  
Affinity : the HES, the LIS and urinary bladder channels  
Effects : 1. relieving exterior syndrome by diaphoresis  
  2. warming the channels to promote the flow of yang  
  3. activating the flow of yang to excrete dampness  
# "Exterior syndrome" refers to the symptoms and signs along with the cold and flu, such as chills, fever, headache, etc.



Indications :      
Signs, Symptoms and Illnesses Pattern Analysis Combination Formula

(1) chills, fever, headache and sweat

(in the case of the failure to relieve exterior syndrome -- symptoms -- by diaphoresis )

exterior syndrome of deficiency type due to exopathic wind-cold white peony root

(2) arthralgia, shoulder pain and backpain

arthralgia due to wind-cold-dampness prepared lateral aconite root

(3) difficulty in urination and


fluid retention due to stagnation of yang-qi *1 )
poria and water plantain


(4) palpitation

pulse : slow and irregular


prepared licorice root, ginseng and ass-hide glue

(5) dysmenorrhea ( menstrual pain ) or irregular menstruation

blood stasis *2)

Chinese angelica root and Chuanxiong rhizome


* 1) yang deficiency of the HES and DAS ---> stagnation of yang-qi --->

fluid retention

* 2) blood stasis due to lingering cold temperature in the channels related to the reproductive organ



Note : "Combination" shows medicinal herbs usually or often used in combination with cinnamon twig. "Formula" shows the one which contains the group of herbs on the left.





the early stage of the common cold and flu, rheumatoid arthritis,

dysmenorrhea, etc

Dosage : 3 - 9 grams  
Administration :    

to be decocted with water for oral administration

( # see below )

Precautions :    
  cautious monitoring is needed in order not to damage yin.  
Warnings ( Contraindications ) :    

It must not be taken in the following cases.


1. yin deficiency with yang excess ( dry mouth and tongue, hematemesis, etc )


2. pregnant women


3. menorrhagia





# Decoction
(1) Tools: sauce pan ( non-metal ), bamboo basket ( “Take-zaru” ), bowl ( non-metal ), gauze
(2) How to make :
1. Pour 4 glasses of cold tap water ( about 800ml ) into the pan.
2. Remove the medicinal herbs from the paper bag ( packaging ).
3. Add them to the water.
4. Boil and stir for about 30 min, until the total volume of the water has been reduced to half.
First heat with a full flame, then once it’s boiled, reduce the flame to simmer.
5. Place the bamboo basket with 2 sheets of gauze onto the bowl.
6. Pour the boiling water and medicinal herbs through the filter.
* Gauze is sold at pharmacies ( 5m,10m,20m ).
You should cut the gauze into a suitable sized square.
7. Divide soup into 2 cups equally.