Hyacinth bean (Biandou)
Dolichos lablab L.
Pharmaceutical Name: Semen Dolichoris.
Botanical Name: Dolichos lablab L.
Common Name: Dolichos seed, Hyacinth
bean, Egyptian kidney bean
Source of Earliest Record: Mingyi Bielu
Part Used & Method for Pharmaceutical Preparations: The ripe
seeds are gathered in autumn and then dried in the sun
and used unprepared or stir-baked.
Properties & Taste: Sweet and
slightly warm.
Meridians: Spleen and stomach.
Functions: To strengthen the spleen and
transform dampness.
Indications & Combinations:
1. Deficient spleen not transforming and
transporting water manifested as lassitude, poor appetite, loose stool or diarrhea,
or leukorrhea due to downward flowing of turbid dampness. Hyacinth bean
(Biandou) is used with Ginseng (Renshen), White atractylodes (Baizhu) and Poria
(Fuling) in the formula Shen Ling Baizhu San.
2. Disharmony of the spleen and stomach due
to invasion from exogenous pathogenic summer-damp-heat manifested as vomiting
and diarrhea. Hyacinth bean (Biandou) is used with Elsholtzia (Xiangru) and
Magnolia bark (Houpo) in the formula Xiangru San.
Dosage: 10-20 g, decocted in water for an oral dose. It is
used
stir-baked for invigorating the Spleen to stop diarrhea, and used unprepared for relieving
Summer
Heat.
Cautions & Contraindications: The
raw herb is used for relieving summer-heat, the fried herb for strengthening
the spleen and stopping diarrhea.
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