Chipping Quality Appendix: Chip Characteristics
Fry Colour
| 1 |
000 |
0.5 – 1.4 |
Ultra light |
| 2 |
00 |
1.5 – 2.4 |
Very light |
| 3 |
0 |
2.5 – 3.4 |
Light (golden) |
| 4 |
1 |
3.5 – 4.4 |
Golden |
| 5 |
2 |
4.5 – 5.4 |
Dark golden |
| 6 |
3 |
5.5 – 6.4 |
Dark |
| 7 |
4 |
6.5 – 7.4 |
Very dark |
USDA Chip Colour Chart:
Colour Consistency
| 0 |
No variation in colour |
| 0.01 – 0.25 |
Highly uniform |
| 0.26 – 0.50 |
Uniform |
| 0.51 – 0.75 |
Variable in colour |
| >0.76 |
Unacceptable |
Internal Discolouration
| :>9.0 |
None |
| 8.5 – 8.9 |
Very slight |
| 7.0 – 8.4 |
Slight |
| 5.0 – 6.9 |
Severe |
| <4.9 |
Unacceptable |
Peeling Efficiency
| >80% |
Very good |
| 70-79% |
Good |
| 50-69% |
Quite good |
| < 49% |
Poor |
© Agri-Food and Biosciences Institute 2012