Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
  • C07H3/00—Compounds containing only hydrogen atoms and saccharide radicals having only carbon, hydrogen, and oxygen atoms
  • C07H3/04—Disaccharides

Definitions

• the invention relates to a crystalline isomaltulose product which has improved flow properties as a bulk material and is not prone to solidification, processes for the preparation of this product and a new use of isomaltulose.
• Isomaltulose (also called Palatinose®) is a disaccharide with ⁇ -1,6-glycosidic linkage of glucose and fructose (6-O- ⁇ -D-glucopyranosyl-fructofuranose). Isomaltulose is used in the food industry and in the pharmaceutical industry as a sweetener, carrier and / or filler. An important application of isomaltulose is the replacement of sucrose. Isomaltulose, like sucrose or other sugar substitutes, is often stored and processed in crystalline form as loose bulk material. Crystalline isomaltulose should have the best possible storage stability and flow properties, like other sugar substitutes, in order to be able to be fed into processing plants suitable and adapted for such substances, without requiring major procedural adjustments or structural changes to the plants.
• isomaltulose In contrast to other crystalline sugar substitutes, isomaltulose is less hygroscopic; Accordingly, a high storage stability is to be expected. Unexpectedly, however, isomaltulose has the disadvantageous effect of so-called "time hardening". For example, isomaltulose is stored in sacks or so-called “big packs" and the contents of the sacks are stored for processing via hopper or chutes fed to the plants. The agglomerates formed make the emptying of the bags difficult and hinder the inflow of the bulk material into the feed hopper. As a rule, therefore, additional mechanical processing steps are necessary in order to feed the stored and agglomerated isomaltulose to the mechanical processing.
• isomaltulose is stored in bulk silos. There also occurs time consolidation. For example, isomaltulose tends to form wells in core-flux silos. A silo storage of isomaltulose is clearly more difficult and inappropriate in certain types of silicon. Additional provisions for silo storage such as periodic circulation inside the silo must be made.
• auxiliaries are silicates, aluminosilicates, polysyloxanes, phosphates, sodium bicarbonate or starch powder.
• a disadvantage of these auxiliaries is that they contaminate the starting material and / or have chemical properties, which leads to disadvantages in the processing of the product. In addition, it is necessary to declare such auxiliaries in the finished food product or pharmaceutical product.
• the technical problem underlying the present invention is essentially to provide flowable crystalline isomaltulose, which retains its flowability without the addition of foreign and auxiliary substances such as anti-caking agent and anti-caking agent during storage and has no tendency to time consolidation. Further, there is a technical problem of providing an improved anticaking or trickling aid which maintains and improves the flowability of crystalline isomaltulose and similar products and reduces or suppresses the tendency for time consolidation.
• an isomaltulose product a crystalline isomaltulose or isomaltulose composition which contains at least 1 to at most 20% by weight (based on the total dry matter content of the product) of finely powdered isomaltulose, Isomaltulose fine fraction with a particle size of less than 100 .mu.m, in particular less than 50 microns, contains.
• the isomaltulose composition consists exclusively of isomaltulose.
• the invention therefore consists in providing a certain amount of finely powdered isomaltulose in known crystalline isomaltulose, as can be obtained in a manner known per se by isomerization from sucrose and crystallization.
• Crystalline isomaltulose is understood as meaning powdery granular bulk material of isomaltulose.
• Conventional crystalline isomaltulose has isomaltulose crystals with a grain size of about 0.2 to 0.6 mm.
• “Fine powdery isomaltulose” or “isomaltulose fine fraction” in the present case is crystalline isomaltulose .
• microns a particle size of less than 100, comprising in particular less than 50 microns particular, this means that the fine-powdered isomaltulose having a certain particle size distribution in a laser diffraction method.
• the finely powdered isomaltulose to substantial parts, that is to say more than 95 vol .-%, a particle size of less than about 44 microns;
• the finely powdered isomaltulose has a particle size of always less than 100 ⁇ m, in particular less than 50 ⁇ m. Grain sizes of 100 microns or more usually do not occur; their proportion is negligible, but especially less than 1% by volume and preferably less than 0.5% by volume.
• the isomaltulose fine fraction in the product provided according to the invention causes the isomaltulose product, ie the crystalline isomaltulose or isomaltulose composition, to show no disadvantageous time-hardening during storage and to retain its flowability permanently.
• the advantageous effect is already pronounced in the case of an isomaltulose fine fraction of about 1% by weight of the total product. At a fine content of about 5 wt .-% of the advantageous effect is maximum. At a fines content of more than about 20 wt .-%, the beneficial effect occurs so far in the background that the underlying technical problem can not be solved sufficiently.
• An isomaltulose fine fraction of 1 to 10% by weight is preferred; Particularly preferred is an isomaltulose fine fraction of 1 to 5 wt .-% (based on total dry matter). Particularly preferred is an isomaltulose fine fraction of 1 to 4 wt .-%. Particularly preferred is an isomaltulose fine fraction of 1 to 3 wt .-%. Especially kart is an isomaltulose fine fraction of 1 to 2 wt .-%. Particularly preferred is an isomaltulose fines content of about 1% by weight.
• the crystalline isomaltulose in the isomaltulose product according to the invention without the fine fraction according to the invention has a crystal size of from about 0.2 to about 0.6 mm, preferably from about 0.3 to about 0.45 mm. This corresponds to the crystal size distribution of crystalline isomaltulose obtained from isomerization of sucrose and crystallization in a manner known per se.
• a preferred embodiment of the invention is a crystalline isomaltulose containing an isomaltulose fine fraction having a particle size of less than 100 microns, especially less than 50 microns, from 1 to 5 wt .-% (based on total dry matter) and a proportion of crystalline isomaltulose a crystal size of about 0.3 to about 0.45 mm of 99 to 95 wt .-% (based on total dry matter) or preferably consists thereof.
• the isomaltulose product according to the invention is preferably pure isomaltulose. It goes without saying that further known auxiliaries, such as anti-caking agents or flow aids, can additionally be added to the isomaltulose product according to the invention to further improve the processing capability.
• Another object of the invention is accordingly also a process for the preparation, preferably pure, flowable crystalline isomaltulose, which in particular does not tend to time consolidation.
• the inventive method is characterized in that, preferably in a conventional manner obtainable, crystalline isomaltulose having a crystal size of about 0.2 to about 0.6 mm, preferably from ,
• a pure isomaltulose product is obtained, which, apart from usual impurities, consists solely of isomaltulose.
• a further subject of the invention is also a flowable and storage-stable isomaltulose-containing mixture which has the fine fraction of isomaltulose according to the invention.
• This is in particular a combination of isomaltulose with at least one further carbohydrate, especially fructose, glucose, sucrose, trehalulose, isomaltose, isomelizitose, oligosaccharides having a degree of polymerization of 3 or 4, preferably inulin and / or oligofructose, or carbohydrate alcohol, especially mannitol, sorbitol, xylitol, isomalt, or mixtures thereof.
• the mixture contains isomaltulose and fructose or consists thereof, in a further preferred variant, the mixture contains isomaltulose and glucose or consists thereof, in a further preferred variant, the mixture contains isomaltulose and sucrose or consists thereof, in a further preferred variant, the mixture contains isomaltulose and trehalulose or consists thereof, in one In another preferred variant, the mixture contains isomaltulose and isomaltose or consists thereof, in a preferred further preferred variant the mixture contains isomaltulose and isomelizitose or consists thereof, in a further preferred variant the mixture contains isomaltulose and oligosaccharides having a degree of polymerization of 3 or 4 or more or exists it.
• isomaltulose fines fraction improves the processability or flowability of crystalline products such as sucrose, glucose, fructose, isomalt and other solid, powdery mono, di-, oligo, polysaccharides and saccharide alcohols and optionally their tendency to time consolidation suppressed or reduced.
• Another object of the invention is therefore also the use of finely powdered isomaltulose as a flow aid in bulk.
• Another object of the invention is the use of finely powdered isomaltulose as anti-caking agent in bulk.
• the isomaltulose fine fraction is used to the flowability of the bulk material, especially for the machine processing improve and / or to maintain these, especially during storage.
• the bulk material is the finely powdered isomaltulose as a flow aid or anti-caking agent in a proportion of 1 to 20 wt .-%, preferably 1 to 10 wt .-%, particularly preferably 1 to 5 wt .-%, more preferably from 1 to 4 wt. %, 1 to 3 wt .-%, 1 to 2 wt .-% or about 1 wt .-%, (based on total dry matter) was added.
• the isomaltulose taken from the current production was admixed with 5% by weight (based on the total dry matter content) of finely powdered isomaltulose with particle sizes of less than 100 ⁇ m and thoroughly mixed.
• the finely powdered isomaltulose had the following particle sizes: 5% by volume (dO5): 44 ⁇ m 50% by volume (d50): 15 ⁇ m 95% by volume (d95): 1 ⁇ m
• the isomaltulose taken from the current production was admixed with 20% by weight (based on the total dry matter content) of fine powdered isomaltulose having particle sizes of less than 100 ⁇ m (see b)) and thoroughly mixed. The samples were then aliquoted, blank samples determined and stored as described above for 3 weeks.

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• Cephalosporin Compounds (AREA)

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• 2006
  • 2006-05-08 DE DE102006022506A patent/DE102006022506A1/de not_active Ceased
• 2007
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