Isomalt granulation process
A technology of isomalt and isomaltulose, which is applied in the field of functional sugar production, can solve the problems of complex procedures, high control conditions, and high equipment requirements, and achieve the effects of simple process, low labor intensity, and short consumption time
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Embodiment 1
[0014] 1) Add activated carbon to the isomalt solution with a mass concentration of 40% according to 2% of the dry matter of isomalt, raise the temperature to 80°C and keep it for 30 minutes, and use D301 anion resin and 001* after suction filtration 7 cationic resins were ion-exchanged to obtain a 97% isomalt solution with a purity of 98% and light transmission.
[0015] 2) Concentrate the ion-exchanged isomalt solution through a rotary evaporator to a mass concentration of 60%; then granulate the concentrated isomalt solution with a spray drying tower, and control the air inlet temperature at 130°C to control peristalsis Pump feed rate 0.5L / min.
[0016] 3) Sieve the above-obtained isomaltulose granules to obtain granular isomaltulose, with a purity of 97.69% as detected by liquid chromatography.
Embodiment 2
[0018] 1) Add activated carbon to the isomalt solution with a mass concentration of 45% according to 5% of the dry matter of isomalt, raise the temperature to 75°C and keep it warm for 30 minutes, and use D301 anion resin and 001 after suction filtration *7 The cation resin is ion-exchanged to obtain a 98% isomalt solution with a purity of 99% and light transmission.
[0019] 2) The ion-exchanged isomalt solution is concentrated by a rotary evaporator to a mass concentration of 40%; then the concentrated isomalt solution is granulated with a spray drying tower, and the air inlet temperature is controlled at 170°C to control peristalsis Pump feed rate 1.5L / min.
[0020] 3) Sieve the above-obtained isomaltulose granules to obtain granular isomaltulose, with a liquid phase detection purity of 98.56%.
Embodiment 3
[0022] 1) To the isomalt solution with a mass concentration of 42%, add activated carbon according to 3% of the dry matter of isomalt, raise the temperature to 75°C and keep it warm for 30 minutes, and use D301 anion resin and 001 after suction filtration *7 The cation resin is ion-exchanged to obtain a 99% isomalt solution with a purity of 98% and light transmission.
[0023] 2) The ion-exchanged isomalt solution is concentrated by a rotary evaporator to a mass concentration of 50%; then the concentrated isomalt solution is granulated with a spray drying tower, and the air inlet temperature is controlled at 160°C to control peristalsis Pump feed rate 1.0L / min.
[0024] 3) Sieve the above obtained isomaltulose granules to obtain granular isomaltulose alcohol, and the purity of liquid phase detection is 99.17%
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