New Model of Food Supply Chain Finance Based on the Internet of Things and Blockchain

Table 1

Rice quality indicators.

Grade	Roughness ratio (%)	Head rice rate (%)	Impurity content (%)	Moisture content (%)	Yellow-grain rice content (%)	Brown-content outside grain (%)
1	≥79.0	≥50.0	≤1.0	≤13.5	≤1.0	≤2.0
2	≥77.0	≥47.0
3	≥75.0	≥44.0
4	≥73.0	≥41.0
5	≥71.0	≥38.0
Out of class	<71.0	—