GB1456260A - Method for crystallization of fructose from water solution - Google Patents

Method for crystallization of fructose from water solution

Info

Publication number
GB1456260A
GB1456260A GB5305674A GB5305674A GB1456260A GB 1456260 A GB1456260 A GB 1456260A GB 5305674 A GB5305674 A GB 5305674A GB 5305674 A GB5305674 A GB 5305674A GB 1456260 A GB1456260 A GB 1456260A
Authority
GB
United Kingdom
Prior art keywords
fructose
solution
crystals
mass
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB5305674A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suomen Sokeri Oy
Original Assignee
Suomen Sokeri Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US437224A external-priority patent/US3883365A/en
Application filed by Suomen Sokeri Oy filed Critical Suomen Sokeri Oy
Publication of GB1456260A publication Critical patent/GB1456260A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C13SUGAR INDUSTRY
    • C13KSACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
    • C13K11/00Fructose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Saccharide Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

1456260 Crystallizing fructose SUOMEN SOKERI OSAKEYHTIO 9 Dec 1974 [28 Jan 1974] 53056/74 Heading B1G [Also in Division C2] Fructose crystals having a crystal size of 200 to 600 Ám are obtained by crystallizing fructose from an aqueous solution thereof, containing at least 90% by weight of dry substance of which dry substance at least 90 percent by weight is fructose, in a process which comprises (a) providing such a fructose solution (b) adjusting the pH of said solution to 4.0-6.0, preferably 4.5-5.5, (c) bringing the aqueous fructose solution to a temperature at which it is saturated with respect to fructose, (a) adding fructose seed crystals to the solution, (e) lowering the temperature of the resulting mass at a controlled rate to cause the mass to be supersaturated with respect to fructose and to bring about an increase in the crystal size of the seed crystals without substantial formation of new fructose crystals and (f) separating the fructose crystals from the mass when the crystal size is 200-600 Ám. The process may be carried out continuously using as seed crystals, crystals taken from a previous crystallization and recrystallization may be accelerated by blowing warm dry air on to the surface of the mass to evaporate water therefrom during crystallisation. The rate of crystallisation of fructose may be increased by the addition to the solution of 2-4% by weight, based on the sugar solids, of methanol, ethanol, and/or isopropanol.
GB5305674A 1974-01-28 1974-12-09 Method for crystallization of fructose from water solution Expired GB1456260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US437224A US3883365A (en) 1972-01-04 1974-01-28 PH adjustment in fructose crystallization for increased yield

Publications (1)

Publication Number Publication Date
GB1456260A true GB1456260A (en) 1976-11-24

Family

ID=23735578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5305674A Expired GB1456260A (en) 1974-01-28 1974-12-09 Method for crystallization of fructose from water solution

Country Status (22)

Country Link
JP (1) JPS5838160B2 (en)
AT (1) AT346785B (en)
BE (1) BE824362A (en)
BG (1) BG24961A3 (en)
CA (1) CA1030533A (en)
CH (1) CH596318A5 (en)
CS (1) CS207335B2 (en)
DE (1) DE2502558C2 (en)
DK (1) DK24875A (en)
ES (1) ES433589A1 (en)
FI (1) FI58654C (en)
FR (1) FR2259151B1 (en)
GB (1) GB1456260A (en)
HU (1) HU174513B (en)
IE (1) IE41769B1 (en)
IT (1) IT1026412B (en)
NL (1) NL186183C (en)
PL (1) PL102673B1 (en)
RO (1) RO76829A (en)
SE (1) SE434407B (en)
YU (1) YU36540B (en)
ZA (1) ZA7590B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041317B4 (en) * 1990-01-18 2005-09-08 Xyrofin Oy Process for crystallizing crystal water-free fructose from its aqueous solutions
KR101749527B1 (en) 2014-10-20 2017-06-21 씨제이제일제당(주) A method of manufacturing a d-psicose crystal
US10808002B2 (en) 2014-10-20 2020-10-20 Cj Cheiljedang Corporation Method for preparing D-psicose crystal
KR101981388B1 (en) * 2017-06-14 2019-05-22 씨제이제일제당 (주) A method of manufacturing a d-psicose crystal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949389A (en) * 1958-03-17 1960-08-16 Dawe S Lab Inc Production of levulose
DE2017500A1 (en) * 1970-04-11 1971-10-28 Engel, Herbert, 8000 München Rotating recording and playback systems
FI46631C (en) * 1971-03-11 1973-05-08 Suomen Sokeri Oy Process for crystallizing fructose from concentrated aqueous solution
JPS5239901B2 (en) * 1973-02-12 1977-10-07

Also Published As

Publication number Publication date
FR2259151B1 (en) 1979-04-13
NL186183C (en) 1990-10-01
FI58654C (en) 1981-03-10
YU4275A (en) 1982-02-25
BG24961A3 (en) 1978-06-15
CH596318A5 (en) 1978-03-15
AT346785B (en) 1978-11-27
YU36540B (en) 1984-02-29
AU7649374A (en) 1976-07-01
IT1026412B (en) 1978-09-20
DE2502558A1 (en) 1975-07-31
DE2502558C2 (en) 1981-10-08
NL7417006A (en) 1975-07-30
FI750158A (en) 1975-07-29
SE7500717L (en) 1975-07-29
HU174513B (en) 1980-01-28
ATA57075A (en) 1978-03-15
ES433589A1 (en) 1977-02-16
CS207335B2 (en) 1981-07-31
JPS5838160B2 (en) 1983-08-20
DK24875A (en) 1975-09-29
JPS50105842A (en) 1975-08-20
NL186183B (en) 1990-05-01
ZA7590B (en) 1976-01-28
FR2259151A1 (en) 1975-08-22
PL102673B1 (en) 1979-04-30
BE824362A (en) 1975-05-02
IE41769L (en) 1975-07-28
CA1030533A (en) 1978-05-02
RO76829A (en) 1981-11-04
IE41769B1 (en) 1980-03-26
SE434407B (en) 1984-07-23
FI58654B (en) 1980-11-28

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19941208