Method for preparing powdery low fructosan
A technology of fructooligosaccharides and powder, which is applied in the direction of oligosaccharides, lighting and heating equipment, drying solid materials, etc. Low yield and other problems, to achieve the effect of preventing caramelization reaction, convenient operation and simple production process
Active Publication Date: 2010-01-06
量子高科(广东)生物有限公司
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Problems solved by technology
[0004] ① Detoxification
Since fructo-oligosaccharide is a high-viscosity material, it is easy to stick to the tower during the spray drying process, and the product yield is low, and the G-type fructo-oligosaccharide monosaccharide content is high, and the powder product is easy to agglomerate during the production process, so spray drying cannot be used. direct production
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[0036]Heat 260Kg of 75.2Brix fructooligosaccharide syrup to 60°C; pump the heated syrup into the feed distributor of the vacuum low-temperature continuous dryer, control the feed temperature at 60°C, adjust the negative pressure inside the belt dryer to -20mbar, and the temperature of the heating zone The temperature is 80°C, the temperature in the cooling zone of the drying belt is 35°C, the rotation angle of the swinging distributor is 90°C, the rotation speed is 10 times / min, and the crawler transmission speed is 0.2M / min. 40-110 mesh amorphous powdered fructooligosaccharide products.
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This invention relates to a preparation method for powder oligofructose, wherein the drying process adopts a vacuum low temperature continuous dryer to dry syrup of oligofructose so as to enable the pasty material to form loosen sheet oligofructose dried cake. The whole drying process is processed in vacuum, which ensures the drying process is processed in the state of middle temperature, avoids caramelization reaction of each monosaccharide in the oligofructose and fusion of the oligofructose at high temperature. The technique of producing process is easily, simply, conveniently operated, and satisfied with order of industrial production. This invention fills the vacancy which utilizes vacuum low temperature continuous dryer to produce powder oligofructose in domestic, and provides an operable method for industrially producing powder oligofructose. Producing technique of this preparation method is simple, conveniently operated and operable.
Description
technical field [0001] The invention relates to a method for preparing powdered fructo-oligosaccharides, in particular to a method for preparing powdered fructo-oligosaccharides by vacuum low-temperature continuous drying. Background technique [0002] Fructooligosaccharide (English name: Fructooligosaccharide, FOS) is widely distributed in various higher plants in nature. Jerusalem artichoke, asparagus, agave, aster, bellflower, lily, burdock, onion, garlic, rye, and banana all contain fructo-oligosaccharides, and vegetables and fruits eaten in daily life also contain a small amount of fructo-oligosaccharides. The fructo-oligosaccharide content in burdock, onion, garlic, and honey is relatively high, and the content of fructo-oligosaccharide in every 100 grams of edible parts is only 3.6 grams, 2.8 grams, 1.0 grams, and 0.75 grams, but it is very difficult to extract them. The rate is low and it is difficult to realize industrial production. [0003] Owing to its excellen...
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IPC IPC(8): F26B5/06C07H3/06
Inventor 谢拥葵陈子健
Owner 量子高科(广东)生物有限公司