Yunxi Eucommia

Yunxi Eucommia

Yunxi Eucommia is an agricultural product with a geographical indication.

　　Yunxi Eucommia

　　Region:

　　Hubei

　　Applicant:

　　Yunxi County Agricultural Technology Extension Center

　　Publication date:

　　2016

　　Region covered

　　The production area of Yunxi Eucommia covers 18 towns (townships) under the jurisdiction of Yunxi County, Hubei Province, namely Chengguan Town, Tumen Town, Xiangkou Township, Shangjin Town, Dianzi Town, Guanfang Township, Hubeikou Hui Autonomous Township, Jingyang Township, Jiahe Town, Yangwei Town, Jianchi Township, Guanyin Town, Ma'an Town, Liulang Township, Hejia Town, Anjia Town, Sanguandong Forest Area, and Huaihuanglin Special Zone. Its geographical coordinates lie between 109°16′ to 110°42′ east longitude and 32°54′ to 33°16′ north latitude. The total area is 1,158 hectares, with an average annual output of 2,320 tons and an annual output value of 68 million yuan.

　　Product quality characteristics

　　1. External sensory characteristics: Yunxi Eucommia is a deciduous tree species, derived from the bark of Eucommia trunks aged over 10 years with a diameter at breast height of more than 15 cm. The dried bark comes in rolled pieces, thick and large, approximately 3–10 mm in thickness. The outer surface is grayish-brown, relatively rough, with irregular longitudinal grooves; the inner surface is dark purple, smooth and glossy. The texture is brittle and easily broken, with the cross-section showing numerous fine, dense, silver-white thread-like substances connected, which can be up to 2.5 cm in length. It has a faint aroma, a slightly bitter taste, and leaves a gummy residue when chewed. 2. Internal quality indicators: The content of pinoresinol diglucoside in Yunxi Eucommia is ≥0.36 g/100 g; extractives ≥11 g/100 g. 3. Safety requirements: Safety indicators comply with the standards set forth in the "Yunxi Eucommia Agricultural Product Geographical Indication Quality Control Procedures."