US3791865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High maltose syrups
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1969-05-12
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Granted: 1974-02-12
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Expires: 1989-05-12
Abstract
Abstract Storage stable high maltose starch conversion syrups having a minimum F.E. of 85%, a minimum D.E. value (dextrose equivalent) of about 50%, a maltose content of about 60 to 80% and a maltotriose content of 15 to 35%, and method for producing said syrups wherein a starch paste containing at least 5% by weight solids is saccharified with a maltogenic enzyme and amylo-1,6glucosidase.
Inventors
- 👤 T Hurst
- 👤 A Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:12
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/22
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
18 words
The composition of claim 1 wherein said syrup contains from about 75% to 85% by weight dry solids.
Claim 2
Dependent Claim
28 words
The conversion syrup according to claim 1, wherein the syrup is characterized as having a dextrose content of less than 2.0% and a minimum F.E. of about 95%.
Claim 3
Dependent Claim
40 words
The conversion syrup according to claim 1 wherein the syrup is characterized as having a maltotriose content from about 18% to 33% and contains less than 2% by weight of dextrose and saccharides having a D.P. of 4 or more.
Claim 4
Dependent Claim
23 words
The conversion syrup according to claim 2 wherein the storage stable syrup contains from 18% to 33% maltotriose and 65% to 80% maltose.
Claim 5
Dependent Claim
126 words
A process for forming a storage stable high maltose starch conversion syrup comprising (a) saccharifying a starch paste containing from about 5% to 55% by weight starch solids in the presence of amylo-1,6-glucosidase and a beta-amylase preparation substantially free from alpha amylase, said saccharifying being conducted under conditions and for a period of time sufficient to provide a conversion syrup having a minimum F.E. of about 95%, a minimum D.E. of about 50%, a maltotriose content of about 18% to 35%, a maltose content of 60% to 80%, and a maximum dextrose content of less than 2.0%, and (b) concentrating the conversion syrup to about 75% to 85% by weight dry solids and thereby provide a high solids, storage stable high maltose starch conversion syrup product.
Claim 6
Dependent Claim
10 words
The process of claim 6 wherein the starch is unthinned.
Claim 7
Dependent Claim
28 words
The process according to claim 6 wherein the starch is thinned with a heat stable alpha amylase, said alpha amylase comprising a heat stable enzyme of Bacillus subtilis.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |