1. The rice flour with uniform appearance, flat and loose shape, no scar, no drawing, no crispness and mildew is the top grade, otherwise it is inferior;

2. Rice flour with bright and clean color, transparency and no spots is the top grade, otherwise it is inferior;

3. Rice flour with no musty smell, sour taste and peculiar smell is the top grade; Otherwise, it is inferior;

4. Cookibility? After cooking, rice flour with toughness, no stick, no soup, no serious broken strips and no impurities is the top grade, otherwise it is inferior;

Extended information:

Rice flour, a special snack in China, is a very popular food in southern China.

Rice flour is a strip and filamentary rice product made from rice by soaking, cooking and layering, rather than a powdery material made from rice by grinding.

References:

Baidu Encyclopedia Rice Noodles