Extraction Rates and Ash Contents of Different Grades of Flours
| Flour Type |
Ash Content % |
Extraction Rate |
| Top
Patent |
0.40 |
50% |
| Patent |
0.50 |
70-75% |
| Straight
Grade |
0.55-0.75 |
78-83% |
| High
Extraction (Brown) |
0.75-1.10 |
83-95% |
| Whole Wheat
flour |
1.1-1.5 |
95-100% |
| Source: Source: MI
Fortification Handbook |
|