ORGANOLEPSIS of sweet corn. (Carried out on a cooked sample.)
COLOUR Uniform, bright, characteristic pale yellow, yellow or golden yellow.
FLAVOUR Full, natural and characteristic sweet flavour of sweet corn.
TEXTURE sweet corn Kernel contents are opaque and viscous, they tend to “pop” or “squirt” when chewed, and have reasonably tender skins (pericarps) which can be chewed easily.
QUALITY CONTROLof sweet corn:
Checks are carried out on the following: -
Processing: - Raw material
Final Product
Peroxidase
Temperature
Packing: - Metal detection
Check weighing
Final product physical defect levels
Organolepsis
Case quantity
Case sealing
Case coding and print quality
DEFECT TOLERANCES Product shall be checked at least hourly against the following tolerances for defects: -
Per 1000g
|
Clumps |
4% w/w |
|
Foreign Matter |
Nil |
|
E.V.M. |
2 |
Per 200g
|
Major Blemish |
2 |
|
Minor Blemish |
6 |
|
Black Eyes |
4 |
|
Pale Silks |
3 |
|
Pulled Kernels (with attached stem) |
8 |
|
Damaged Kernels |
5% w/w |
|
Miscut |
10% w/w |
MICROBIOLOGICALof sweet corn.
|
Organism |
Target |
|
T V C @ 30°C |
1 x 104 |
|
Total Coliforms |
1 x 102 |
|
E. coli |
Nil |
|
Staph aureus |
1 x 102 |
|
Salmonella |
Absent in 25g |
|
Listeria monocytogenes |
Absent in 25g |
CARTON LINERS Dark blue food grade polythene liner Metal Detection All cartons shall be passed through a metal detector. The system shall be tested at least hourly using 3.5mm ferrous and 3.5mm non-ferrous & 4.5mm stainless steel test pieces.
CARTONS Corrugated fibreboard of glued construction, no metal staples to be used. Shall be sealed using dark blue adhesive tape.
