MY163252A - Process for producing a particulate composition comprising crystalline alpha, alpha-thehalose di-hydrate - Google Patents
Process for producing a particulate composition comprising crystalline alpha, alpha-thehalose di-hydrateInfo
- Publication number
- MY163252A MY163252A MYPI2016001802A MYPI2016001802A MY163252A MY 163252 A MY163252 A MY 163252A MY PI2016001802 A MYPI2016001802 A MY PI2016001802A MY PI2016001802 A MYPI2016001802 A MY PI2016001802A MY 163252 A MY163252 A MY 163252A
- Authority
- MY
- Malaysia
- Prior art keywords
- trehalose
- crystalline
- starch
- microorganism
- particulate composition
- Prior art date
Links
Landscapes
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
An object of the present invention is to provide a process for enabling the production of a particulate composition containing crystalline trehalose dihydrate in a higher production yield against starch through consistent steps by using starch as a material. The above object is solved by providing a process for producing a particulate composition containing crystalline α, α-trehalose dihydrate which comprises α, α-trehalose in an amount of 98.0% by weight or more, on a dry solid basis, characterized in that it comprises the steps of allowing to act on liquefied starch an a-glycosyltrehalose-forming enzyme derived from a microorganism of the genus Arthrobacter and a trehalose-releasing enzyme derived from a microorganism of the genus Arthrobacter along with a starch debranching enzyme and a cyclomaltodextrin glucanotransferase; allowing glucoamylase to act on the resulting mixture to obtain a saccharide solution containing α, α-trebalose; precipitating crystalline α, α-trehalose dihydrate from the above saccharide solution; collecting the precipitated crystalline α, α-trehalose dihydrate by a centrifuge; and ageing and drying the collected crystals; wherein a natural or recombinant cyclomaltodextrin glucanotransferase derived from a microorganism of the genus Paenibacillus or a mutant enzyme thereof is used as the cyclotnaltodextrin glucanotransferase to increase the α,α-trehalose content in the saccharide solution to over 86.0% by weight, on a dry solid basis, without passing through a fractionation step by column chromatography.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011206482 | 2011-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY163252A true MY163252A (en) | 2017-08-30 |
Family
ID=60245301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI2016001802A MY163252A (en) | 2011-09-21 | 2012-09-12 | Process for producing a particulate composition comprising crystalline alpha, alpha-thehalose di-hydrate |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY163252A (en) |
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2012
- 2012-09-12 MY MYPI2016001802A patent/MY163252A/en unknown
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