The pericarp of Areca cathecuL, family Palmae.
Pericarp long-ovate or elliptic, 4-7 cm long, 2-3 cm broad, 0.2-0.5 cm
Outer surface brown, with irregular longitudinal and transverse wrinkles,
top with style scars remained, base with fruit stalks and relic sepals;
inner surface brown. Light in weight, easily to be longitudinally torn,
fracture surface showing fibrous. Acrid in taste, slightly warm in nature,
and attributive to spleen, stomach, large intestine and small intestine
1. Activate vital energy circulation and relieve the stagnation of intestine,
eliminate distension and soothe the middle-jiao: For indigestion and stagnation
of vital energy with fullness of the abdomen, loss of appetite, eructation
with fetid odour and acid regurgitation, constipation or dyschesia; for
dampness-retention syndrome involving the spleen with fullness and oppression
in the chest and upper abdomen, anorexia, nausea, vomiting, and greasy
2. Promote diuresis to relieve edema: For beriberi and edema.
Its decoction exerts an effect of enhancing the intestinal tensity and
decreasing the extent of intestinal contraction in rabbits in vitro, which
can be counteracted by atropine.