Nanjiang Magnolia Bark

Nanjiang Magnolia Bark

Nanjiang Magnolia Bark is a geographical indication protected product.

　　Nanjiang Magnolia Bark is a deciduous tree and a unique medicinal plant in China. Its bark, root bark, flowers, seeds, and buds are all used for medicinal purposes, primarily the bark, which holds high economic value and development potential. It is listed as a second-class nationally protected endangered species. Nanjiang Magnolia Bark can grow up to 20 meters tall, with a thickness of ≥0.3 cm, and appears in single or double scroll shapes. The outer surface is grayish-brown with fine longitudinal striations and distinct elliptical lenticels. The inner surface is purplish-brown, showing oily marks when scratched. The cross-section appears oily. It has an aromatic scent and a strong spicy taste. Moisture content is ≤14%, total ash ≤5%, and acid-insoluble ash ≤2%. Calculated on a dry basis, the total content of magnolol (C18H18O2) and honokiol (C18H18O2) is ≥3.0%. It is known for being "thick-skinned, rich in oil, and fine in texture." The cultivation area of Nanjiang Magnolia Bark exceeds 70,000 mu, serving as the main source of income for 100,000 medicinal herb farmers.

　　The production area of Nanjiang Magnolia Bark covers the entire administrative region of Nanjiang County, Sichuan Province.