Plantain Seed (Cheqianzi)

Plantain Seed (Cheqianzi)

Pharmaceutical Name: Semen Plantaginis
Botanical Name: Plantago asiatice L.
Plantago depressa wild.
Common Name:Plantain seed
Plantain herb
Source of Earliest Record: Shennong Bencao Jing
Part Used & Method for Pharmaceutical Preparations: The seeds, gathered in the summer or autumn when they are ripe, are dry-fried or fried with salt water.
Properties and Taste: Sweet and cold
Meridian: Kidney, liver and lung
Functions: To promote water metabolism and relieve abnormal urination
To stop diarrhea; To clear heat in the liver and brighten eyes
To clear the lung and resolve phlegm
Indications and Combinations: 1.     Damp-heat flowing into the urinary bladder manifested as dysuria, painful urination, frequent urination and distending and full sensation in the lower abdominal region. 
*Use with Clematis stem (Mutong), Capejasmine (Zhizi) and Talc (Huashi) in the formula Bazheng San.

2.  Damp-heat diarrhea.
*Use with Poria (Fuling), White atractylodes (Baizhu) and Alismatis rhizome (Zexie).

3.   Heat in the liver manifested as red, painful and swollen eyes.
*Use with Chrysanthemum flower (Juhua), Chinese gentian (Longdancao) and Scutellaria root (Huangqin).

4.      Deficiency of yin in the liver and kidney manifested as blurred vision and cataracts.
*Use with Fresh rehmannia root (Shengdihuang), Ophiopogon root (Maidong) and Wolfberry fruit (Gouqizi).

5.     Cough with profuse sputum due to heat in the lungs.
*Use with Trichosanthes fruit (Gualou), Scutellaria root (Huangqin) and Tendrilled fritillary bulb (Chuanbeimu).
Dosage: 5-10 g
Cautions: This herb should be wrapped in cloth for decoctions if a strainer is not used.