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Processing methods to preserve quality and color of cottonseed flakes
Author(s) -
Lawhon J. T.
Publication year - 1969
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02636870
Subject(s) - cottonseed , gossypol , superheated steam , solubility , extraction (chemistry) , solvent , superheating , materials science , pulp and paper industry , condensation , chemistry , moisture , chromatography , chemical engineering , food science , composite material , waste management , organic chemistry , boiler (water heating) , engineering , biochemistry , physics , thermodynamics , condensed matter physics
Hull‐free cottonseed flakes were prepared for direct solvent extraction by two passes through a pilot plant size, hot air drier set at 200 F. Moisture content was reduced to 6.5% without evidence of gossypol binding. Improved drainage characteristics resulted in better extraction. Glanded and glandless flakes which had been extracted and partially desolventized at low temperatures were heated indirectly in a batch desolventizer under vacuum to temperatures above the point of steam condensation and solvent stripped with superheated steam. Resulting available lysine and protein solubility values on the meals and flours were desirably high. The desolventization was accomplished without significant color darkening.
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