CA1086552A - Methode de production de cafe decafeine - Google Patents

Methode de production de cafe decafeine

Info

Publication number: CA1086552A
Authority: CA; Canada
Prior art keywords: extract; column; caffeine; zone; solvent
Prior art date: 1976-11-12
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

CA290,328A

Other languages

English (en)

Inventor

James F. Meinhold

Francis A. Winter

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.)

General Foods Corp

Original Assignee

General Foods Corp

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.)

1976-11-12

Filing date

1977-11-07

Publication date

1980-09-30

1977-11-07 Application filed by General Foods Corp filed Critical General Foods Corp

1980-09-30 Application granted granted Critical

1980-09-30 Publication of CA1086552A publication Critical patent/CA1086552A/fr

Status Expired legal-status Critical Current

Links

235000016213 coffee Nutrition 0.000 title claims abstract description 42
235000013353 coffee beverage Nutrition 0.000 title claims abstract description 42
238000000034 method Methods 0.000 title claims abstract description 18
RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 claims abstract description 87
239000000284 extract Substances 0.000 claims abstract description 57
LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 claims abstract description 43
229960001948 caffeine Drugs 0.000 claims abstract description 43
VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 claims abstract description 43
239000003960 organic solvent Substances 0.000 claims abstract description 11
238000000605 extraction Methods 0.000 claims description 39
239000002904 solvent Substances 0.000 claims description 39
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 15
239000000839 emulsion Substances 0.000 claims description 15
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
229920006395 saturated elastomer Polymers 0.000 claims description 6
230000002950 deficient Effects 0.000 claims description 3
230000005484 gravity Effects 0.000 claims description 3
238000000638 solvent extraction Methods 0.000 claims description 3
238000013019 agitation Methods 0.000 claims description 2
238000000622 liquid--liquid extraction Methods 0.000 claims description 2
239000007788 liquid Substances 0.000 description 22
239000007787 solid Substances 0.000 description 5
239000000463 material Substances 0.000 description 4
235000010627 Phaseolus vulgaris Nutrition 0.000 description 3
244000046052 Phaseolus vulgaris Species 0.000 description 3
241000533293 Sesbania emerus Species 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
238000009835 boiling Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000006722 reduction reaction Methods 0.000 description 2
KVDHZPQOODBZDP-UHFFFAOYSA-N 1,2,2,4-tetrachlorobutane Chemical compound ClCCC(Cl)(Cl)CCl KVDHZPQOODBZDP-UHFFFAOYSA-N 0.000 description 1
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
239000006286 aqueous extract Substances 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
229960001701 chloroform Drugs 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
244000013123 dwarf bean Species 0.000 description 1
230000000694 effects Effects 0.000 description 1
235000021331 green beans Nutrition 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
235000021539 instant coffee Nutrition 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000002265 prevention Effects 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000003809 water extraction Methods 0.000 description 1

Landscapes

Tea And Coffee (AREA)

CA290,328A 1976-11-12 1977-11-07 Methode de production de cafe decafeine Expired CA1086552A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US74126676A	1976-11-12	1976-11-12
US741,266		1976-11-12

Publications (1)

Publication Number	Publication Date
CA1086552A true CA1086552A (fr)	1980-09-30

Family

ID=24980031

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA290,328A Expired CA1086552A (fr)	1976-11-12	1977-11-07	Methode de production de cafe decafeine

Country Status (1)

Country	Link
CA (1)	CA1086552A (fr)

1977
- 1977-11-07 CA CA290,328A patent/CA1086552A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
1997-09-30	MKEX	Expiry
2023-05-26	MKEX	Expiry	Effective date: 19970930