Areca seed (Binglang)
Pharmaceutical
Name: Semen arecae.
Botanical
Name: Areca catechu L.
Common
Name: Areca seed, Betel nut.
Source
of Earliest Record: Mingyi Bielu.
Part
Used & Method for Pharmaceutical Preparations: The seeds from the
ripe fruit are collected in winter or spring. They are dried in the sun, soaked
in water and cut into slices.
Properties
& Taste: Pungent, bitter and warm.
Meridians:
Stomach and large intestine.
Functions:
1. To kill parasites; 2. To promote qi circulation; 3. To promote water
metabolism
Indications
& Combinations:
1. Parasites in the intestines (especially
tapeworm): Areca seed (Binglang) is used with Pumpkin seed (Nanguazi).
2. Retention of food with abdominal
distension and constipation or tenesmus in dysentery: Areca seed (Binglang)
is used with Costus root (Muxiang), Bitter orange (Zhiqiao) and Rhubarb
(Dahuang) in the formula Muxiang Binglang Wan.
3. Edema: Areca seed (Binglang) is used
with Poria peel (Fulingpi) and Alismatis rhizome (Zexie).
4. Swollen and painful legs: Areca seed
(Binglang) is used with Chaenomeles fruit (Mugua), Evodia fruit (Wuzhuyu) and
Perilla leaf (Zisuye).
5. Side-effect of vomiting caused by intake
of the herb Dichroa root (Changshan): Areca seed (Binglang) used with
Dichroa root (Changshan) can lessen the latter's side-effect.
Dosage:
10-15 g.
Cautions
& Contraindications: This herb is contraindicated in a person with
weakness of the spleen accompanied by diarrhea.
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