Plant Breeding and Biotechnology

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Table. 4.

Table. 4.

Grain profiles of three popular rice varieties BR11, BRRI dhan28, and BRRI dhan29.

Grain quality parameters BR11 BRRI dhan28 BRRI dhan29 References
Milling outturn (%) 72 71 71
Head rice recovery (%) 66 68 65 BRRI, 2016
Chalkiness Translucent Translucent Translucent
Paddy length (mm) 7.9 9.2 8.7
Paddy breadth (mm) 3.0 2.3 2.7
Milled rice length (mm) 5.0 6 6
Milled rice breadth (mm) 2.6 1.8 2.1
L/B ratio 1.9 3.3 2.9
Size and shape Medium bold Medium slender Medium bold
1,000-grain weight (gram) 24.7 22.2 21.5
Amylose content (%) 26 26.4 26.5
Protein content (%) 8.2 8.5 7.5
Cooking time (minutes) 17 16.5 17.4
Elongation ratio 1.4 1.5 1.3
Imbibition ratio 3.6 4.3 4.4
Zn (ppm) 9.5 15.2 16
Fe (ppm) 6.2 8.2 7.8
Glycemic Index (GI)a - 65.0 61.0 Shozib et al. 2017

aParboiled milled rice was used to measure GI.

Plant Breed. Biotech. 2022;10:81-93 https://doi.org/10.9787/PBB.2022.10.2.81
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