Production of USP quality lactose
US4316749A · kind A · utility
8Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1980 |
| Grant date | Feb 23, 1982 |
| Priority date | — |
| Expiry date | Oct 7, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC13K5/00
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A method of producing USP quality lactose which involves PA0 (a) adding to lactose rich permeate derived from passing whey through a semipermeable membrane an effective amount of a food grade chelating agent; PA0 (b) filtering the lactose rich permeate through a simple filtration system at from about 71.degree.-88.degree. C.; PA0 (c) crystallizing the lactose from the permeate at a temperature of from 10.degree.-24.degree. C.; and PA0 (d) heating the permeate and lactose crystals to from about 32.degree.-44.degree. C.; and PA0 (e) separating, washing and drying the USP quality lactose product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.