Medicinals
dōng guā zǐ / 冬瓜子 / 冬瓜子 / winter melon seed;
Latin pharmacognostic name: Benincasae Semen
Alternate English names: white gourd seed; wax gourd seed
Alternate Chinese names: 瓜子 guā zǐ; 瓜犀 guā xī; 冬瓜仁 dōng guā rén; 瓜瓣[2] guā bàn; 白瓜子 bái guā zǐ
Origin: Plant
Use: medicinal
Category: Water-disinhibiting dampness-percolating agents / Water-disinhibiting swelling-dispersing agents
Properties: Sweet; cold.
Channel entry: lung, stomach, large intestine, and small intestine channels.
Indications:
- Clears heat and transforms phlegm, expels pus and disperses welling-abscesses: Lung heat cough, lung welling-abscesses, large intestinal welling-abscesses.
- Clears heat and disinhibits dampness: White turbidity, vaginal discharge, and inhibited urination.
Dosage & Method:
Oral: 9–15g, as a decoction.
Warning:
Do not use for spleen and stomach cold-damp with thin sloppy stool.
Product Description:
The dried seed is flat, ovate or elliptical, about 1 cm long and 6 mm wide. The exterior surface is a brownish white, sometimes with fissures. One end is pointed and the other blunt, and at the pointed end are two small protuberances, the smaller one being the hilum and the larger one bearing the micropyle. The margin is smooth or has a protruding rim on either side. When the seed coat is peeled off, the white interior can be seen.
Quality:
The best quality seeds are clean, large, and white.
Product Area:
Most parts of China, with production highest in Sìchuān, Zhèjiāng, Jiāngsū, Hénán, Héběi, ānhuī.
Etymology:
The name dōng guā zǐ 冬瓜子, literally ""winter gourd seed,"" indicates that it is a gourd available in winter.