WHAT ARE THE REWHAT ARE THE RECOMMENDED UNSTUFFING FOR REEFER CONTAINERS?
- For a 20-foot reefer container (20’RF), unstuffing should be completed within 60 minutes.
- For a 40-foot reefer container (40’RF), unstuffing should be completed within 90 minutes.
- If labour shortages prevent these timeframes from being met, it is advisable to palletize the cargo with reduced quantities per pallet to maintain optimal product quality.- For a 20-foot refrigerated container (20’RF), unloading should be completed within 40 minutes.
- For a 40-foot refrigerated container (40’RF), unloading should be completed within 90 minutes.
- If labor shortages prevent these timeframes from being met, it is advisable to palletize the cargo with reduced quantities per pallet to maintain optimal product quality.
WHAT ARE THE RECOMMENDED STORAGE TEMPERATURES FOR FROZEN SPRING ROLL PASTRY?
- The recommended storage temperature range is between -18°C and -22°C.
- Temperatures below -23°C should be avoided as they may cause freeze burn on the surface of the pastry.
WHAT ARE THE TEMPERATURE REQUIREMENTS DURING DELIVERY?
- Delivery should be made in reefer containers maintaining a minimum temperature of -15°C.
- If ambient temperature transport is used, the product must be kept in insulated containers or box with gel packs or dry ice.
- Recommended ratio for gel pack/dry ice: 15 kg pastry to 3 kg gel packs or dry ice.
- Driving distance should not exceed 30 km (about 1 hour).
HOW SHOULD MANUFACTURERS HANDLE FROZEN SPRING ROLL PASTRY DURING MASS PRODUCTION?
- Thaw the pastry overnight at 5°C within the master carton.
- Alternatively, thaw at room temperature sealed until the pastry becomes bendable.
- Ensure the filling is not excessively wet or overfilled. Keep fillings well balance in moisture to avoid transferring of water to the pastry skin.
- The optimal ratio is approximately 30% pastry to 70% filling, with a maximum of 40% pastry to 60% filling.
- Anything higher will stretch the pastry and after the filling is too much crack during freezing or frying.
- Package raw spring rolls in sealed bags.
- Freeze them until the core temperature reaches -18°C. Once core temperature of minus -18 °C achieve may proceed to pack into master carton.
WHAT ARE THE KEY GUIDELINES FOR FRYING SPRING ROLLS?
- The internal temperature of the spring roll must reach at least 75°C (165°F) for 30 seconds to ensure bacterial safety.
- Key Temperature & Time Guidelines: Optimal Core Temp: 75°C (165°F) for 30 seconds
- Alternatively, a temperature of 70°C (158°F) for 2 minutes is acceptable.
- Frying oil temperature should be maintained between 160°C and 180°C (320°F–356°F).
- Avoid overcrowding the frying pan, as this causes the oil temperature to drop rapidly, resulting in greasy spring rolls.
- Fry spring rolls directly from the deep-frozen state to hot oil for best results.
- Verification: Use a calibrated probe thermometer to it is hot and steaming.
- For meat fillings, ensure an internal temperature of at least 76°C (169°F °F).
- Frozen spring rolls may be fried directly at 175°C–190°C (350°F–375°F) for 5 - 7minutes.
- For enhanced crispiness, a double-fry method is recommended: fry first at 160°C for 2 minutes, then at 190°C for 1–2 minutes.
HOW SHOULD MR POPIAH PLAIN AND COLOURED SPRING ROLL PASTRY BE FRIED?
- Mr Popiah plain spring roll pastry should be deep fried at 170°C to 185°C until golden brown.
- However, Mr Popiah coloured spring roll pastry: Deep fry raw filling at 140°C for 5 minutes, and Deep fry cooked filling at 150°C for 3 minutes, Core Temperature 76°C
HOW SHOULD COOKED FROZEN SPRING ROLLS BE REHEATED AND STORED?
- If you are reheating pre-cooked spring rolls reheat to an internal temperature of 74°C–75°C (165°F).
- If not consumed immediately, cool quickly and store below 5°C (41°F).
- Avoid the temperature danger zone of 5°C–60°C (41°F–140°F) where bacteria multiply rapidly.
WHAT ARE THE BEST PRACTICES FOR CHEFS HANDLING SPRING ROLL PASTRY IN THE KITCHEN?
- Thaw the pastry sealed at 5°C until it is bendable.
- Maintain the optimal moisture balance between filling and pastry (approximately 30% pastry to 70% filling, maximum 40% pastry to 60% filling).
- Fry spring rolls directly from the deep-frozen state to hot oil for best results.
- Avoid thawing at room temperature to prevent moisture condensation and pastry cracking during frying.
- Store folded spring rolls immediately at -18°C to -20°C in a deep freezer, not at 5°C refrigeration.
