T/SXZYC 008-2023 Quality Standards for Kushen Seeds

Scope

Main technical content: including sample collection (including traceability information), basic quality requirements, quality grading standards, inspection methods, packaging materials, storage conditions and storage period, and other important technical content explanations. 1. Research on the inspection method of Sophora alopecuroides seeds 1.1 Experimental materials From April 2013 to January 2015, 18 samples of Sophora alopecuroides seeds were collected, including 9 from Hebei, 3 from Anhui, 2 from Northeast China, 2 from Shanxi, and 2 from Inner Mongolia (Table 1). Table 1: Source of Sophora alopecuroides seed samples Sample number Source Collection time Sample number Source Collection time K-1 Hebei Chengde 2014.4 K-10 Anhui 2014.4 K-2 Hebei An'guo 2014.4 K-11 Inner Mongolia 2013.4 K-3 Hebei An'guo 2014.4 K-12 Shanxi 2013.4 K-4 Anhui Bozhou 2014.4 K-13 Northeast China 2013.4 K-5 Northeast China 2014.4 K-16 Hebei Chengde 2015.1 K-17 Hebei An'guo 2015.1 K-18 Hebei 2015.1 1.2.1 Sampling The sampling method used was the manual halving method to directly extract and send the samples for inspection. The steps are as follows: - Pour the seed samples onto a smooth surface and use a scraper to mix them vertically and horizontally four times. - Divide the seeds into two parts, each of which is divided again to obtain four parts. - Divide each part into two parts again, ultimately obtaining eight parts. - Combine and retain the alternating parts and remove the remaining four parts. - Repeat the above sampling steps until the quality of the seed samples sent for inspection meets the requirements. 2.1.2. Purity analysis The steps are as follows: (1) Weigh the total weight of the samples sent for inspection and record it as M. Check whether the samples contain heavy impurities such as clods, stones, or large seeds mixed in small seeds. If there are heavy impuritie

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