Materia Medica - Important
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Pharmaceutical Name
 Fructus Alpiniae oxyphyllae
Botanical Name
 Alpinia oxyphylla Miq.
Common Name
 Black cardamom, Bitter cardamom
Source of Earliest Record
 Bencao Shiyi
Part Used & Method for Pharmaceutical Preparations
 The fruit is gathered in summer. It is dried in the sun, fried with sand and peeled.
Properties & Taste
 Pungent and warm
Meridians
 Spleen and kidney
Functions
 1. To warm and tonify the spleen and kidneys; 2. To prevent emissions and stop diarrhea
Indications & Combinations

1. Invasion of cold in the spleen and kidneys manifested as abdominal pain and vomiting. Bitter cardamom (Yizhiren) is used with Pilose asiabell root (Dangshen), White atractylodes (Baizhu) and Dried ginger (Ganjiang).
2. Kidney deficiency manifested as enuresis and seminal emissions. Bitter cardamom (Yizhiren) is used with Dioscorea (Shanyao) and Lindera root (Wuyao) in the formula Suoquan Wan.
3. Diarrhea and excessive salivation due to spleen deficiency. Bitter cardamom (Yizhiren) is used with Poria (Fuling), Dioscorea (Shanyao), Pilose asiabell root (Dangshen) and Pinellia tuber (Banxia).
Dosage
 3-6 g
Cautions & Contraindications

This herb is contraindicated in cases with deficiency of yin with
excessive fire, seminal emissions, frequent urination and uterine
bleeding caused by heat.
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