The Definition of Rice Grain

by Chrystal Shannon
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Rice varieties in the world are classified into three main types: long grain, medium grain and short grain. In the United States, rice grain classification is based on length and width, as shown below.

TYPE

Short grain

Medium grain

Long grain

Length of Rice Grain (L)

5.5mm

5.5mm to 6.6mm

6.6mm to 7.5mm

Ratio of Length and Width (R)

R 2.1

2.1 R 3.0

3.0 R

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