T/ZJPLH 02-2021 Geographical Indications Protection Products Zhongjiang White Peony Production Technical Specification

Scope

Main Technical Content: 5. Origin and Environmental Conditions 5.1 Climate Conditions The Zhongjiang Bai Shao is suitable for the subtropical humid monsoon climate zone of the Sichuan Basin. The average annual temperature is around 16.7°C, with an average annual sunshine duration of approximately 1,163 hours and an average annual rainfall of around 841.8 mm. The frost-free period lasts about 282 days. 5.2 Environmental Conditions The environment should meet the requirements of DB51/T1068-2010. Purple soils in hilly and low mountainous areas are preferred, with a soil thickness of ≥50 cm, convenient irrigation, loose and moist soil, moderate fertility, and a pH of 7.0–8.0. Avoid selecting land with repeated planting of Bai Shao, vegetable gardens, or bean stubble fields. 6.5.3.2 Fertilizer Types Fertilizers should comply with the requirements of DB51/338-2003. 6.6.4 Chemical Control Pesticide use should comply with the requirements of DB51/337-2003. 8.3 Quality Requirements for Medicinal Materials 8.3.1 Appearance Characteristics 8.3.1.1 Mature Bai Shao The dried root is thick and firm, cylindrical in shape, with a relatively uniform diameter and straight or slightly curved ends. The two ends are truncated, and the cross-section is flat, white or pink in color, with a firm texture that is not easily broken. The cross-section shows a clear cambium ring, smooth and glossy, and a waxy texture with a central chrysanthemum pattern. It has a slightly bitter and sour taste. 8.3.1.2 Green Bai Shao The dried root is thick and firm, cylindrical in shape, with a brown outer skin, longitudinal wrinkles, and fine root marks. It is firm and heavy, not easily broken, with a relatively flat cross-section, white in color, and a clear cambium ring. 9. Product Requirements 9.1 Physical and Chemical Requirements Table 1: Physical and Chemical Requirements for Zhongjiang Bai Shao Serial Number Item Indicator 1 Paeoniflorin (C23H28O11), % ≥

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