Process for producing plant glycogen

Details Process for producing plant glycogen Process for producing plant glycogen

1997-09-02

1999-04-20

Pratt, Helen

Food or edible material: processes, compositions, and products

Products per se, or processes of preparing or treating...

Carbohydrate containing

426459, 426460, 426463, 426469, 426578, 426661, A23L 10522, A23L 109

Patent

active

058956867

ABSTRACT:
Plant glycogen is a polysaccharide derived from rice and contains a high molecular weight group whose weight average molecular weight is 5.00 to 7.60 million and a low molecular weight group whose weight average molecular weight is 0.30 to 1.10 million, the glycogen is a glucose polymer, being easily dissolved in cold water and hot water, and being rendered viscous at the time of degree of water addition of 25 to 200%. The process for producing plant glycogen, includes immersing finely ground rice in water or a water-containing solvent, subjecting it to solid-liquid separation to give an extract, heating it to remove thermally precipitated solids and proteins, adding the resulting liquid layer to an organic solvent, and recovering the resulting white precipitates, followed by purification, if necessary.

REFERENCES:
patent: 5183677 (1993-02-01), Lehtomaki et al.
patent: 5356655 (1994-10-01), White et al.
patent: 5695803 (1997-12-01), Sharp et al.
Jose A. Cura and Clara R. Krisman, "Cereal Grains: A Study of Their .alpha.-1, 4-.alpha.-1,6 Glucopolysaccharide Composition", (1990), 171-175, Starke, vol. 42, No. 5.
Koji Kato et al., "Chemical Features of Water Soluble Polysaccharides in Some Seeds", (1989), Chemical Abstracts, vol. 110, No. 17, Abstract No. 151361.

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