IT1155429B - Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino - Google Patents

Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino

Info

Publication number: IT1155429B
Authority: IT; Italy
Prior art keywords: soln; etoh; lactulose; lactose; concd
Prior art date: 1982-12-17

Application number

IT24814/82A

Other languages

English (en)

Other versions

IT8224814A1 (it

IT8224814A0 (it

Inventor

Renato Carobbi

Sandro Miletti

Vittorio Franci

Original Assignee

Sirac Srl

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.)

1982-12-17

Filing date

1982-12-17

Publication date

1987-01-28

1982-12-17 Application filed by Sirac Srl filed Critical Sirac Srl

1982-12-17 Priority to IT24814/82A priority Critical patent/IT1155429B/it

1982-12-17 Publication of IT8224814A0 publication Critical patent/IT8224814A0/it

1983-08-01 Priority to US06/518,846 priority patent/US4536221A/en

1984-06-15 Priority to GB08415325A priority patent/GB2160205B/en

1984-06-17 Publication of IT8224814A1 publication Critical patent/IT8224814A1/it

1987-01-28 Application granted granted Critical

1987-01-28 Publication of IT1155429B publication Critical patent/IT1155429B/it

Links

GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 title abstract 2
239000008101 lactose Substances 0.000 title abstract 2
JCQLYHFGKNRPGE-FCVZTGTOSA-N lactulose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 JCQLYHFGKNRPGE-FCVZTGTOSA-N 0.000 title abstract 2
229960000511 lactulose Drugs 0.000 title abstract 2
PFCRQPBOOFTZGQ-UHFFFAOYSA-N lactulose keto form Natural products OCC(=O)C(O)C(C(O)CO)OC1OC(CO)C(O)C(O)C1O PFCRQPBOOFTZGQ-UHFFFAOYSA-N 0.000 title abstract 2
238000006317 isomerization reaction Methods 0.000 title 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 6
229910004878 Na2S2O4 Inorganic materials 0.000 abstract 1
125000000129 anionic group Chemical group 0.000 abstract 1
125000002091 cationic group Chemical group 0.000 abstract 1
238000001816 cooling Methods 0.000 abstract 1
239000013078 crystal Substances 0.000 abstract 1
239000000706 filtrate Substances 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
238000010992 reflux Methods 0.000 abstract 1
229920005989 resin Polymers 0.000 abstract 1
239000011347 resin Substances 0.000 abstract 1
JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1

Landscapes

Saccharide Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

IT24814/82A 1982-12-17 1982-12-17 Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino IT1155429B (it)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
IT24814/82A IT1155429B (it)	1982-12-17	1982-12-17	Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino
US06/518,846 US4536221A (en)	1982-12-17	1983-08-01	Process for preparing lactulose from lactose, in the form of a syrup or a crystalline product
GB08415325A GB2160205B (en)	1982-12-17	1984-06-15	Preparing lachilose from lactose

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT24814/82A IT1155429B (it)	1982-12-17	1982-12-17	Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino

Publications (3)

Publication Number	Publication Date
IT8224814A0 IT8224814A0 (it)	1982-12-17
IT8224814A1 IT8224814A1 (it)	1984-06-17
IT1155429B true IT1155429B (it)	1987-01-28

Family

ID=11214823

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT24814/82A IT1155429B (it)	1982-12-17	1982-12-17	Procedimento per la preparazione di lattulosio da lattosio, sotto forma di sciroppo o come prodotto cristallino

Country Status (1)

Country	Link
IT (1)	IT1155429B (it)

1982
- 1982-12-17 IT IT24814/82A patent/IT1155429B/it active

Also Published As

Publication number	Publication date
IT8224814A1 (it)	1984-06-17
IT8224814A0 (it)	1982-12-17

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19931230