GB/T 20356-2006

This standard specifies the geographical indication protection requirements for Guangchang white lotus seeds, including definitions, classifications, sensory and physicochemical quality criteria, as well as testing methods and labeling rules. It is applied to the production, inspection, and commercial certification of white lotus seeds originating from the designated Guangchang County area in Jiangxi Province, China. The standard ensures product authenticity and quality consistency for domestic food markets and export trade.