Sea red bean

Sea red bean

(Haiyao materia medica)

[source] it is the seed of leguminous plant haihongdou.

[plant morphology] haihongdou, also known as peacock bean, Hongdou, acacia, acacia, Gemini, mahogany and xishige.

Deciduous trees, ca. 8 m tall, pubescent at young. 2-pinnate compound leaves, 4-12 pairs of pinnae (3-4 pairs from Hainan), 8-14 leaflets, oblong or ovate, 2.5-3.5 cm long, 1.5-2.5 cm wide, apex obtuse, both sides pilose. Inflorescence panicle like raceme, flowers small, white or yellowish, on the same bouquet, with short stalks; calyx campanulate, 5-toothed, ca. 5 mm long, covered with golden yellow pubescence with stalks; petals 5, lanceolate; stamens 10, separated, anthers ovate; ovary sessile. The seed is bright red, bright, broad ovate, about 5.5-8 mm long, and the petiole is attached at one end. The flowering period is from June to July. The fruit period is from August to September.

It grows in forests or shady hillsides and streams, and also in gardens. It is distributed in Guangdong, Guangxi, Yunnan and even the eastern Himalayas.

[collection] harvest the ripe fruits, peel the seeds and dry them in the sun.

[chemical constituents] the seeds contain stigmasterol, glucoside, euonyl and polysaccharide. The seed oil contains oleic acid, linoleic acid, < U > < / u > acid, stearic acid, stearic acid and a small amount of tetradecanoic acid.

[pharmacological action] haihongdou is different from Xiangzi, it does not contain saponin, alkaloid and Acacia toxin protein. It has been reported that it contains toxic alkali like components, but Africans use it as condiment. The root can induce vomiting and diarrhea, while the leaf can restrain diarrhea.

[nature and taste] Haiyao materia medica: "slightly cold, with little poison. "

[functions and indications] "Haiyao Materia Medica" says: "the master has black skin, snoring, tinea versicolor, head and face wind, so it is suitable to take facial medicine and bath beans. "

Chinese PinYin : Hai Hong Dou