Tongliang Fructus Aurantii

Tongliang Fructus Aurantii

Tongliang Fructus Aurantii is a product certified with a Geographical Indication for Agricultural Products.

　　Tongliang Fructus Aurantii

　　Herbal Medicine

　　Production Area

　　The production area of Tongliang Fructus Aurantii includes eleven towns (subdistricts) in Tongliang District: Tuqiao Town, Nancheng Subdistrict Office, Pingtan Town, Lüfeng Town, Pulu Subdistrict Office, Hufeng Town, Shiyu Town, Jiuxian Subdistrict Office, Anju Town, Gaolou Town, and Erping Town. The geographical coordinates are longitude 105°48′ to 106°16′54″ and latitude 29°39′11″ to 30°4′56″. The area stretches 45.9 km from east to west and 48.17 km from north to south, with an elevation ranging from 185 to 798 meters. The current planting area of Tongliang Fructus Aurantii is 800 hectares, with an annual output of 10,000 tons.

　　Product Quality Characteristics

　　1. External Sensory Features: The dried product is hemispherical, with a diameter of 3–8 cm. The outer surface is greenish-brown to brown, covered with granular protrusions, each topped with an oil gland pit. The middle pericarp is yellowish-white, 0.6–1.3 cm thick, smooth and slightly raised, firm in texture and not easily broken. The inner mesocarp is brown to dark brown, with 11–15 carpels arranged in a chrysanthemum-like pattern. It has a delicate fragrance. 2. Internal Quality Indicators: Neohesperidin ≥ 3.20%, Naringin ≥ 4.30%. 3. Safety Requirements: Product quality and safety comply with the WM2–2001 Green Industry Standard for Import and Export of Medicinal Plants and Preparations.