Table 2.

Classification table of key information of the whole rice supply chain.

Rice supply chain		Basic information	Hazard information	Transaction record
Plant		Seed source, production site, planting/harvesting time, rice yield rate, fertilizer/pesticide use information	Mycotoxins, heavy metals, pesticide residues, pests, and diseases	Seed price, fertilizer price, labor cost, total cost, sales price
Purchase and storage	Acquisition	Purchase batch, purchase inspection report	Mycotoxins, fumigants, and herbicide residues	Purchase price, labor cost
	Dry	Product batch, drying record report		Drying (e.g., equipment)/labor cost
	Edulcoration	Product batch, pharmaceutical use record, impurity content, impurity removal rate		Miscellaneous removal (e.g., pharmaceuticals, equipment)/labor costs
	Warehousing	Inventory number, product batch, product source, storage time, outgoing time, quality inspection report, product category, product quantity		Warehousing (e.g., warehouse, tools)/labor cost, warehousing price
Processing	Ridge valley	Product batch, ridged grain method, equipment inspection record, ridged grain time, roughness removal/hulling rate	Mycotoxins, heavy metals	Ridge valley (e.g., equipment)/labor cost
	Rice milling	Product batch, rice milling method, equipment inspection record, whole rice/broken rice rate		Rice milling (e.g., equipment)/labor cost
	Color selection	Product batch, color sorting accuracy, take-out ratio		Color sorting (e.g., equipment)/labor cost
	Polishing	Product batch, polishing method, polishing rate		Polishing (equipment)/labor cost
	Packing	Product batch, packaging material source, packaging material qualification certificate, product quality information		Packaging cost/labor cost, price of first finished product
Transport		Product batch, transportation vehicle information, vehicle disinfection report, departure place, route, arrival time, driver information	Fungi and toxins produced by mildew caused by abnormal temperature and humidity	Transportation cost
Storage		Product batch, temperature and humidity record, product source, storage time	Mycotoxins	Warehousing cost, outbound price
Sale		Product name/batch, product integrity rate, purchase time, sale time, sales address, product quantity	None	Purchase price, sales price