variety

grade

roughness rate (%)

whole milled rice rate (%)

impurities (%)

Moisture (%)

color and odor

early hsien rice, late hsien rice and indica glutinous rice

first grade

≥79

≥50

≤1

≤13.5

normal

second grade

≥77

≥50

≤1

≤13.5

normal

third grade

≥75

≥50

≤1

≤13.5

normal

fourth grade

≥73

≥50

≤1

≤13.5

normal

fifth grade

≥71

≥50

≤1

≤13.5

normal

substandard

<71

japonica rice and round grain glutinous rice

first grade

≥81

≥60

≤1

≤14.5

normal

second grade

≥79

≥60

≤1

≤14.5

normal

third grade

≥77

≥60

≤1

≤14.5

normal

fourth grade

≥75

≥60

≤1

≤14.5

normal

fifth grade

≥73

≥60

≤1

≤14.5

normal

substandard

<73