| POSSIBLE CAUSES |
COMMENT AND ACTION |
| (a) Excess free water in the recipe |
Excess water will turn to steam on cooking, causing the sausage to split. Rusk will absorb twice its weight in water and should be adjusted accordingly.
A) Check water quantity in recipe
B) Ensure water is added gradually during chopping with rusk added last |
| (b) Too much fat in the recipe |
Maximum legal fat limit is 50% of the meat content.
Note how much fat is associated with lean meat. Reduce fat and increase lean meat. Newpro will help to bind fat and may be included at 2% reducing the rusk accordingly. |
(c) Insufficient functional meat in
the recipe |
This may reduce the binding within the sausage leading to splitting. Try adding a proportion of belly/shoulder/flank. Newpro may also be used as an emulsifier as in 1. (b). |
(d) Product may not contain
Phosphate |
Phosphate enhances the function of salt as a binder.
Seasoning containing phosphate is recommended. Contact Lucas for advice. |
| (e) Incorrect chopping procedure |
Seasoning is added at the start of chopping/mixing to ensure that the sufficient protein extraction creates a sticky brat. Water is added gradually during chopping/mixing with rusk added last. |
(f) Temperature of manufacture too
high/low |
This will affect the efficiency of protein extraction and binding. Production temperature should lie between -1°C and 10°C. |
(g) Blunt bowl and chopper blades,
blades set too high |
Such blades will cause inefficient emulsification resulting in poor binding. They will bruise the meat and raise the production temperature. Sharpen as necessary or reset. |
| (h) Inefficient filling |
Overfilled or underfilled sausages with air pockets are more likely to burst. Check that filler nozzle is smooth with no burrs to damage the casings. |
(i) Free water trapped in sausage
after filling |
Ensure all free water and ice particles are melted and absorbed during manufacture. (See 1. (a)). |
| (j) Poor cooking procedure |
Ideally sausages should be cooked relatively slowly, e.g. shallow or deep fat fried. Rapid cooking or dry cooking of the sausage with no turning as in grill or baking may encourage splitting. |
| (k) Examine casings |
Although unlikely, remember that casings may be damaged or at fault. |