Cyclic maltosylmatose

Details Cyclic maltosylmatose Cyclic maltosylmatose

2007-12-18

2007-12-18

Jiang, Shaojia Anna (Department: 1623)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

C514S054000, C536S123000, C536S123100

Reexamination Certificate

active

10569959

ABSTRACT:
An object of the present invention is to provide an option of non-reducing saccharide by providing a novel non-reducing saccharide composed of glucose as constituents and to provide a novel enzyme forming the non-reducing saccharide, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the non-reducing saccharide, and uses thereof. The present invention solves the above object by providing a novel cyclic saccharide having a structure of cyclo{→6)-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→6)-α-D-glucopyranosyl-(1→4)-α-D-glucopyranosyl-(1→6}, cyclic maltosylmaltose, novel cyclic maltosylmaltose-forming enzyme, a method and process for producing the same, a DNA encoding the enzyme, a recombinant DNA and transformant comprising the DNA, a composition comprising the cyclic maltosylmaltose or a saccharide composition comprising the same, and uses thereof.

REFERENCES:
patent: 7-143876 (1995-06-01), None
patent: 7-213283 (1995-08-01), None
patent: WO 01/90338 (2001-11-01), None
patent: WO 02/40659 (2002-05-01), None
patent: WO 02/055708 (2002-07-01), None
Aga et al., Production of cyclictetrasaccharide from starch using a novel enzyme system fromBacillus globisporusC11. J. Biosci. Bioeng., 2002, vol. 94(4): 336-342.
Mukai et al (“Purification, Characterization, and Gene Cloning of a Novel Maltosyltransferase from anArthrobacter globiformisStrain That Produces an Alternating .alpha.-1,4- and .alpha.-1,6-Cyclic Tetrasaccharide from Starch”. Applied and Environmental Microbiology, Feb. 2006, pp. 1065-1071.
MUkai et al (“An enzymatically produced novel cyclic tetrasaccharide, cyclo-{-6)-.alpha.-D- Glcp- (1-4)- .alpha.-D- Glcp- (1-6)-.alpha.-D- Glcp- (1-4)-.alpha.-D-Glcp-(11-}(cyclic maltosyl-(1-6)-maltose), from starch”. Carbohydrate Research 340 (2005) pp. 1469-1474.
Dexter French et al., “Studies on the Schardinger Dextrins. The Preparation and Solubility Characteristics of Alpha, Beta and Gamma Dextrins1”, vol. 71(1), pp. 353-356, Jan. 1949.

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