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Juliano et al. - 1993 - Grain Quality Evaluation of World Rices

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Table 12. Preferred rice grain type (based on apparent AC) in various rice-producing countries.<br />

IRRI, 1991. a<br />

Waxy Low Intermediate High<br />

Asia<br />

Laos China (japonica) Cambodia<br />

Thailand (North) Japan China b (japonica)<br />

Republic <strong>of</strong> Korea India (Basmati)<br />

Nep<strong>al</strong><br />

Indonesia<br />

Taiwan, China<br />

M<strong>al</strong>aysia<br />

(japonica)<br />

Myanmar<br />

Thailand (Northeast) Pakistan (Basmati)<br />

Philippines<br />

Thailand (Centr<strong>al</strong>)<br />

Vi<strong>et</strong>nam<br />

Outside Asia<br />

Argentina<br />

Brazil (upland)<br />

Austr<strong>al</strong>ia<br />

Cuba<br />

Cuba<br />

It<strong>al</strong>y<br />

Madagascar (South- Ivory Coast<br />

west)<br />

Liberia<br />

Russia<br />

Madagascar<br />

Spain<br />

Nigeria<br />

USA (short, medium USA (long grain)<br />

grain)<br />

Bangladesh<br />

China (indica)<br />

India<br />

Pakistan (IR6 type)<br />

Philippines<br />

Sri Lanka<br />

Thailand (North,<br />

Centr<strong>al</strong>, South)<br />

Brazil (irrigated)<br />

Colomb ia<br />

Guinea c<br />

Mexico<br />

Peru<br />

a Estimates taken from countries which produced 0.1% or more <strong>of</strong> tot<strong>al</strong> world rice production.<br />

b Data from the China<br />

Nation<strong>al</strong> Rice Research Institute, Hangzhou. c Data from the Internation<strong>al</strong> Institute for Tropic<strong>al</strong> Agriculture, Lagos,<br />

Nigeria.<br />

hardness in 27; GC-Amylograph s<strong>et</strong>back and stickiness-Amylograph<br />

s<strong>et</strong>back in 26; AC-<strong>al</strong>k<strong>al</strong>i spreading v<strong>al</strong>ue in 21; and grain length-width,<br />

cooked rice hardness-stickiness, and grain width-cooked rice hardness<br />

in 18.<br />

Protein content, AC, GT (<strong>al</strong>k<strong>al</strong>i spreading v<strong>al</strong>ue), GC, Amylograph<br />

viscosity, cooked rice hardness and stickiness, and grain length and<br />

width vary widely for each location. Actu<strong>al</strong> consumer demand an<strong>al</strong>yses<br />

<strong>of</strong> country samples and surveys <strong>of</strong> qu<strong>al</strong>ity preferences by nation<strong>al</strong><br />

programs are needed to verify and fully describe the rice grain qu<strong>al</strong>ity<br />

prized in each location.<br />

The mean protein for 230 samples <strong>of</strong> wild rices is 11.9%. This is<br />

much higher than that <strong>of</strong> cultivated rice (Table 11). High AC, low GT,<br />

and s<strong>of</strong>t GC predominate.<br />

Africa 81

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