Rice milling and quality

measurements

Milling flow rate, kg.h−1

Quality of rice

124

344

806

Bran removed (%)

Milled rice

12.2 ± 2.0a

13.0 ± 3.1a

13.6 ± 2.9a

Polished rice

3.4 ± 1.0a

1.0 ± 0.3b

0.6 ± 0.5b

Head rice recovery (%)

Milled rice

74 ± 0.5a

72 ± 1.4a

66 ± 1.2b

Polished rice

73 ± 1.6a

70 ± 3.3a

69 ± 0.0b

Degree of milling (DOM)

Milled rice

73 ± 4.9a*

80 ± 3.0a

86 ± 2.1b

Polished rice

87 ± 7.8a*

88 ± 5.3a

90 ± 4.0a

Whiteness

Milled rice

33.5 ± 0.8a*

35.6 ± 0.7a

37.0 ± 0.4b

Polished rice

37.4 ±1.5a*

37.1 ± 1.1a

38.0 ± 1.1a

Transparency

Milled rice

3.7 ± 0.2a*

3.5 ± 0.1a

3.4 ± 0.1b

Polished rice

3.2 ± 0.2a

3.6 ± 0.2a

3.4 ± 0.2a