Method of producing kestose crystals

Details Method of producing kestose crystals Method of producing kestose crystals

1992-09-04

1995-10-31

Marx, Irene

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

5361231, 53612312, 435 74, 435101, C07H 106, C07H 306, C12P 1944

Patent

active

054630380

ABSTRACT:
The present invention relates to crystals of 1-kestose which is a fructooligosaccharide, and it is an object of the present invention to provide high-purity 1-kestose crystals having no hygroscopicity and a method of producing the crystals. Methanol is added to an aqueous solution containing as a main ingredient 1-kestose with a purity of 80% or more, and the mixture is then dried. Methanol is further added to the mixture to obtain 1-kestose crystals with a purity of 90% or more. An aqueous solution with a purity of 70% or more is concentrated, and 1-kestose microcrystals are added to the concentrate obtained to separate 1-kestose crystals with a purity of 94 to 99.9%.

REFERENCES:
Jong et al., ATCC Catalogue of Funji/Yeasts, 17th ed, 1987, p. 357.
Onions et al. Smith's Intro. Industrial. Mycology, 7th ed, 1981, pp. 58 and 150-152.
Pigman, The Carbohydrates, pp. 531-532, 1957.
Horace S Isbell, Carbohydrates in Solution, pp. 186-195, 1973.
Agricultural and Biological Chemistry, vol. 52, No. 5, May 1988 pp. 1181-1187, Hidaka et al.
R. L. Whistler and M. L. Wolfrom, "Mehtos in Carbohydrate Chemistry", 1962 Academic Press, pp. 363-364.
ACTA Crystallographica, vol. B28, No. 1, 15 Jan. 1972, pp. 257-567 Jeffrey et al.
Patent Abstracts of Japan, vol. 14, No. 423 (C-757) (4366) 12 Sep. 1990 & JP A 2 163 093, 22 Jun. 1990.
Beilstein Handbuch der Organischen Chemie; II/IV vol. 17, p. 3820, 1975.

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