Red Nanpi

Red Nanpi

(records of yam planting in Tianmu, Zhejiang)

[source] it is the root bark or bark of Phoebe bournei.

[plant morphology] Phoebe bournei, also known as Phoebe pigmentosum, nanzimu, nanchai, baiqichai, Wuzhang and diaozhang.

Evergreen trees, up to 16 m high. At the beginning, the bark is gray white, smooth and gradually brown gray; the lateral branches are thick, and the branchlets are glabrous. Leaves alternate, leathery, obovate or elliptic, 6-10 cm long, 2-4 cm wide, apex caudal, base cuneate, entire, glabrous on both sides; petiole 1-2 cm long, often red. Panicles axillary, with long pedicels; perianth segments 6, narrowly oblong, 5-7 mm long; fertile stamens 9, anthers 4-locular, anthers of the third round stamens outward lobed. Berry globose, bluish black when ripe, ca. 10 mm in diam., base with persistent perianth reflexed. The flowering period is from May to June. The fruit period is from September to November.

It grows in mountainous mixed forest in warm area. It is distributed in Zhejiang, Anhui, Jiangxi, Hubei, Sichuan, Hunan, Guangdong, Guangxi, Shandong, Fujian and Taiwan.

[chemical composition] the bark contains tannin 0.48%, resin 12.38%, rubber 0.688% and mucilage. The roots contain benzylisoquinoline alkaloids: n-norzingiberene papaverine and bovine carpine. Heartwood contains tetradecanoic acid, quercetin, DL catechin, etc. Heartwood can be used as raw material of mosquito repellent incense. The mucopolysaccharide in leaves is a complex of polysaccharide and protein. The components of mucopolysaccharide are arabinose, xylose, rhamnose, galactose, glucose and glucuronic acid. Leaves and twigs contain myristic acid.

[functions and indications] records of Zhejiang Tianmu yam planting: "it is used to treat sprained tendons, root or bark with salt mashing; it is used to treat vomiting and diarrhea, bark Decoction and water taking; it is used to treat foot swelling, bark Decoction and water washing. "

Chinese PinYin : Hong Nan Pi