Production of USP quality lactose
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United States of America Patent
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Feb 23, 1982
Grant Date -
N/A
app pub date -
Oct 7, 1980
filing date -
Oct 7, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing USP quality lactose which involves (a) adding to lactose rich permeate derived from passing whey through a semipermeable membrane an effective amount of a food grade chelating agent; (b) filtering the lactose rich permeate through a simple filtration system at from about 71.degree.-88.degree. C.; (c) crystallizing the lactose from the permeate at a temperature of from 10.degree.-24.degree. C.; and (d) heating the permeate and lactose crystals to from about 32.degree.-44.degree. C.; and (e) separating, washing and drying the USP quality lactose product.
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