US4425371A
Expired / Lapsed
US
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Margarine fat blend
Assignee: Lever Brothers Co
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Filing: 1982-06-14
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Granted: 1984-01-10
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Expires: 2002-06-14
Abstract
Abstract A margarine fat blend having a good melting behavior under temperature conditions prevailing in the mouth is produced according to a process involving (i) random interesterification of a mixture of hydrogenated and non-hydrogenated oils, (ii) fractionating the interesterified mixture to obtain a specific olein fraction, and (iii) mixing appropriate proportions of the olein with liquid oil. The stearin fraction can be recirculated in the system by substituting it for at least part of the hydrogenated oil in the mixture to be interesterified.
Inventors
- 👤 Wilhelm Stratmann
- 👤 Leo F. Vermaas
- 👤 Willem Dijkshoorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:52
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/04; C11C3/10; A; A23; A23D; A23D7/00; A23D7/001
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
137 words
A process for producing a margarine fat, comprising: (1) randomly interesterifying a mixture containing 45-75 wt% of an oil (i) in which at least 20% of the fatty acid residues consist of linoleic acid and 25-55 wt% of an oil or fat (ii) in which at least 80% of the fatty acid residues in saturated and has a chain length of at least 16 carbon atoms; (2) fractionating the resulting interesterified mixture to separate an olein having the following solid fat content: N 10 =25-53 N 20 =8-28 N 30 =1-6 N 35 =0-4, from a higher melting stearin; (3) separating the higher melting stearin to obtain said olein; and (4) mixing 50-90% of the olein with 10-50 wt% of an oil (iii) in which at least 40% of the fatty acid residues consist of linoleic acid.
Claim 2
Dependent Claim
137 words
A process for producing a margarine fat, comprising: (1) randomly interesterifying a mixture containing 45-75 wt% of an oil (i) in which at least 20% of the fatty acid residues consist of linoleic acid and 25-55 wt% of an oil or fat (ii) in which at least 80% of the fatty acid residues in saturated and has a chain length of at least 16 carbon atoms; (2) fractionating the resulting interesterified mixture to separate an olein having the following solid fat content: N 10 =25-53 N 20 =8-28 N 30 =1-6 N 35 =0-4, from a higher melting stearin; (3) separating the higher melting stearin to obtain said olein; and (4) mixing 50-90% of the olein with 10-50 wt% of an oil (iii) in which at least 40% of the fatty acid residues consist of linoleic acid.
Claim 3
Dependent Claim
37 words
A process according to claim 1, in which oil (i) is a vegetable oil selected from the group consisting of soybean oil, sunflower oil, safflower oil, rapeseed oil, cottonseed oil, maize oil, olive oil and mixtures thereof.
Claim 4
Dependent Claim
35 words
A process according to claim 1, in which the oil or fat (ii) is a hydrogenated oil having a melting point ranging from 50° to 70° C. and an iodine value of less than 10.
Claim 5
Dependent Claim
44 words
A process according to claim 3, in which the oil or fat (ii) is a hydrogenated oil selected from the group consisting of hydrogenated soybean oil, sunflower oil, safflower oil, rapeseed oil, cottonseed oil, maize oil, olive oil and mixtures of said hydrogenated oils.
Claim 6
Dependent Claim
34 words
A process according to claim 1, in which oil (iii) is selected from the group consisting of sunflower oil, safflower oil, rapeseed oil, grapeseed oil, soybean oil, cottonseed oil, maize oil and mixtures thereof.
Claim 7
Dependent Claim
20 words
A process according to claim 1, in which oil (i), oil (ii) and oil (iii) are of the same source.
Claim 8
Dependent Claim
19 words
A process according to claim 6, in which oil (i), oil (ii) and oil (iii) consist of sunflower oil.
Claim 9
Dependent Claim
31 words
A process according to claim 1, in which the random interesterification is carried out at 25°-175° C. under substantially moisture-free conditions using an alkali metal, an alkali metal hydroxide or alkoxide.
Claim 10
Dependent Claim
23 words
A process according to claim 1, in which step (2) consists of a dry-fractionation at a temperature ranging from 30° to 40° C.
Claim 11
Dependent Claim
38 words
A process according to claim 1, in which the stearin obtained in step (2) has the following solid fat contents: N 10 =45-70; N 15 =44-65; N 20 =42-52; N 25 =30-40; N 30 =27-37; N 35 =20-30.
Claim 12
Dependent Claim
32 words
A process according to claim 1, further comprising recirculating the stearin obtained in step (2) by substituting in step (1) the stearin for at least part of the oil or fat (ii).
Claim 13
Dependent Claim
36 words
A process according to claim 11, comprising recirculating the stearin obtained in step (2) after hydrogenation thereof to a melting point and degree of saturation which are substantially equal to those of oil or fat (ii).
Claim 14
Dependent Claim
46 words
A process according to claim 1, in which the triglycerides of the interesterified mixture comprise: (i) 30-60% of saturated C 16 or C 18 fatty acid residues, the remainder being unsaturated fatty acid residues; (ii) 3 to 20% of triglycerides derived from tri-saturated fatty acid residues.
Claim 15
Dependent Claim
29 words
A process according to claim 1, in which fractionation is carried out under conditions such that the level of triglycerides derived from tri-saturated fatty acids is less than 6%.
Claim 16
Dependent Claim
57 words
A margarine fat made according to the process of claim 1 comprising: (1) 10-50 wt% of said oil (iii); and (2) 90-50 wt% of said olein; said margarine fat having the following characteristics: N 10 =20-35 N 20 =5-15 N 30 =0-2 N 10 -N 30 =≧10, and a level of trans fatty acids not exceeding 15%.
Claim 17
Dependent Claim
19 words
A margarine comprising a fat blend essentially consisting of the margarine fat of claim 15 with an aqueous phase.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-09 | 1987-07-11 | 1988-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-09 | 1991-07-11 | 1992-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-09 | 1995-07-11 | 1996-01-10 | $7700.00 | Window Closed / Lapsed |