Low-water-activity fructo-oligosaccharide powder, drying process and drying equipment

A technology of fructooligosaccharide and drying equipment, which is applied in the directions of oligosaccharide-containing food ingredients, food drying, food ingredients, etc., to achieve the effect of reasonable structure design and excellent drying effect

Inactive Publication Date: 2021-05-25
珠海高新区维得力生物工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by this invention is to design a kind of low water activity fructo-oligosaccharide powder that can be dried to moisture content lower than 3% fructo-oligosaccharide powder for the above-mentioned deficiency of existing powdered sugar drying tower, and can effectively The drying equipment and its drying process to solve the above-mentioned deficiency of the existing powdered sugar drying tower

Method used

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  • Low-water-activity fructo-oligosaccharide powder, drying process and drying equipment
  • Low-water-activity fructo-oligosaccharide powder, drying process and drying equipment
  • Low-water-activity fructo-oligosaccharide powder, drying process and drying equipment

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Embodiment 1

[0055] Based on the above formula and technology, embodiment 1 discloses a kind of drying equipment for preparing low water activity fructo-oligosaccharide powder, referring to the attached figure 2 And attached image 3 , its main device includes a frame 1, a secondary concentration device 2, a centrifugal spray drying device 3 and a hot air blower 4. Specifically, the frame 1 includes a top plate 101, and two circular installation ports 102 are opened on the top plate 101, and the negative pressure concentration kettle 201 and the drying tower body 301 are respectively installed in the corresponding circular installation ports 102, and the top plate 101 has four The corners are connected with supporting feet 103 , and a supporting plate 104 is connected between the two supporting feet 103 at the left end. Wherein, the secondary concentration device 2 and the centrifugal spray drying device 3 are respectively installed in the two circular installation ports 102 of the frame...

Embodiment 2

[0059] Embodiment 2 discloses a kind of drying equipment for preparing low water activity fructo-oligosaccharide powder improved on the basis of Embodiment 1. Its similarities with Embodiment 1 will not be described again. The difference is that this implementation Example 2 is also connected with an air cleaning device 5 at the air inlet end of the hot air blower 4, and the air cleaning device 5 includes a purifier housing 501, and the inside of the purification housing 501 is sequentially provided with a filter layer 502 and an activated carbon adsorption layer 503 from the outside to the inside and silica gel drying layer 504 .

[0060] In addition, this embodiment 2 is also provided with a wind power adjustment knob 401 and a temperature adjustment knob 402 on the hot air blower 4; by adjusting the wind power and hot air temperature, the concentrates with different water contents can be effectively dried.

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Abstract

The invention relates to the technical field of production of fructo-oligosaccharide powder, and particularly discloses low-water-activity fructo-oligosaccharide powder and a drying process and drying equipment. The low-water-activity fructo-oligosaccharide powder comprises the following components in parts by weight: 50-62 parts of protein powder, 25-30 parts of whole milk powder, 22-25 parts of fructo-oligosaccharide, 18-20 parts of dietary fibers, 4-6 parts of disodium dihydrogen pyrophosphate and 3-5 parts of vitamin C, the drying equipment for the fructo-oligosaccharide powder comprises a rack, a secondary concentration device, a centrifugal spray drying device and an air heater; the low-water-activity fructo-oligosaccharide powder disclosed by the invention is subjected to secondary concentration through the negative pressure concentration kettle before entering the drying tower, so that the water content of a secondary concentrated solution can be controlled, and the subsequent centrifugal drying effect can be ensured; the concentrated solution can be immediately injected into a drying tower for hot air drying after being heated and concentrated, the water content of the prepared fructosan powder can be effectively controlled to be 3% or below due to the high temperature of the concentrated solution and the drying effect of hot air, and the drying effect is excellent.

Description

technical field [0001] The invention relates to the technical field of production of oligosaccharide powder, and specifically discloses a low water activity fructo-oligosaccharide powder, a drying process and drying equipment. Background technique [0002] Fructose-oligosaccharide is a high-quality prebiotic, and it is the most commonly used main ingredient of probiotic products. The key indicator of probiotic products is the survival rate of the number of viable bacteria in the entire storage period. The existing commercially available fructo-oligosaccharide powder is due to The water content is higher than 3%, the water activity is relatively high, the protection to live bacteria is poor, and the shelf life of the product is not ideal. During the drying process of fructo-oligosaccharide, due to its own strong hygroscopicity, easy to agglomerate, and high temperature will decompose and other difficult drying characteristics, resulting in poor drying effect. At present, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/25A23L3/46B01D1/00B01D1/18
CPCA23L3/46A23V2002/00A23L33/25B01D1/00B01D1/18A23V2200/30A23V2300/10A23V2250/28A23V2250/708
Inventor 潘京瑞潘晓萍黄忠发
Owner 珠海高新区维得力生物工程有限公司
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