Solid state fructose-glucose preparation method

[0056] Example 1

[0057] Using commercially available F42 fructose syrup with a concentration of 75% as raw material, surface-coated monoglyceride

[0058] (1) Vacuum concentration

[0059] 称取F42果葡糖浆300g于旋转蒸发瓶中,保持真空度≦-0.09MPa,水浴温度90℃,真空浓缩3h,浓缩后果葡糖浆的干物质含量为88%。

[0060] (2) Vacuum drying

[0061] 将步骤(1)得到的浓缩液趁热倒出至于托盘中,进行真空干燥,保持真空度≦-0.09MPa,在150℃下干燥2h,然后在≦-0.09MPa的真空度下自然冷却6h, 213g of block fructose were obtained.

[0062] (3) Broken

[0063] The fructose block obtained in step (2) is crushed to obtain solid fructose with a diameter of 3-10 mm.

[0064] (4) Balance

[0065] 将步骤(3)得到的固态果葡糖至于包装袋中,加入10.65g可溶性淀粉(100目)混合均匀后立即密封,常温静置4h。

[0066] (5) Screening

[0067] The balanced solid fructose obtained in step (4) was sieved to remove moisture-proof powder, passed through a 100-mesh sieve, and 210g of solid fructose was sieved;

[0068] (6) Coating

[0069] Weigh 2.5g of monoglyceride and dissolve it in 50g of absolute ethanol at 60°C to prepare a film coating agent solution w

[0072] Example 2

[0073] Using commercially available F55 fructose syrup with a concentration of 77% as raw material, surface-coated with hydroxypropyl methylcellulose

[0074] (1) Vacuum concentration

[0075] Weigh 400g of F55 high fructose syrup in a rotary evaporating flask, keep the vacuum degree ≤ -0.09MPa, the water bath temperature is 95 ℃, and vacuum concentrate for 4 hours. The dry matter content of the concentrated glucose syrup is 90%.

[0076] (2) Vacuum drying

[0077] Pour out the concentrated solution obtained in step (1) into a tray while it is still hot, carry out vacuum drying, keep the degree of vacuum ≦-0.09MPa, dry at 155°C for 3h, and then naturally cool for 8h under the degree of vacuum ≦-0.09MPa, 297g of block fructose were obtained.

[0078] (3) Broken

[0079] The fructose block obtained in step (2) is crushed to obtain solid fructose with a diameter of 3-10 mm.

[0080] (4) Balance

[0081] Put the solid fructose obtained in step (3) into a pack

[0088] Example 3

[0089] Using commercially available F42 fructose syrup with a concentration of 75% as raw material, surface-coated with hydroxypropyl methylcellulose

[0090] (1) Vacuum concentration

[0091] Weigh 300g of F42 high fructose syrup in a rotary evaporating flask, keep the vacuum degree ≤ -0.09MPa, the water bath temperature is 90 ℃, and vacuum concentrate for 4 hours. The dry matter content of the concentrated glucose syrup is 90%.

[0092] (2) Vacuum drying

[0093] Pour out the concentrated solution obtained in step (1) into a tray while it is still hot, carry out vacuum drying, keep the vacuum degree ≦-0.09MPa, dry at 160 ° C for 2 hours, and then naturally cool it under the vacuum degree of ≦-0.09MPa for 6h, 214g of block fructose were obtained.

[0094] (3) Broken

[0095] The fructose block obtained in step (2) is crushed to obtain solid fructose with a diameter of 3-10 mm.

[0096] (4) Balance

[0097] Put the solid fructose obtained in step (3) into