Process for extracting and desolventizing natural oil-containing

Details Process for extracting and desolventizing natural oil-containing Process for extracting and desolventizing natural oil-containing

1996-06-24

1998-07-21

Pratt, Helen

Food or edible material: processes, compositions, and products

Processes

Extraction utilizing liquid as extracting medium

426429, 426430, 426632, A23L 1015

Patent

active

057832439

ABSTRACT:
A process for extracting oil-containing nutmeat pieces to reduce the oil content by at least 25% by contacting the nutmeat pieces in an extraction vessel with liquefied hydrocarbon solvent having 3 to 4 carbon atoms under low liquefaction pressure to form a micella, separating the micella from a marc derived from the mass of nut pieces, contacting the marc with a second amount of solvent for at least two hours to form a second micella and separating the second micella from the marc and repeating this step until the oil content of the nutmeat pieces is reduced by at least 25%.

REFERENCES:
patent: 2829055 (1958-04-01), Ozai-Durranti
patent: 3770456 (1973-11-01), Roselius et al.
patent: 4234613 (1980-11-01), Lewis
patent: 4331695 (1982-05-01), Zosel
patent: 4956125 (1990-09-01), Kawamatu et al.
patent: 5290578 (1994-03-01), Passey et al.
Snyder et al. "Effect of Moisture and Particle Size on the Extractability of Oils from Seeds with Supercritical CO.sub.2 ". JAOCS, vol. 61, No. 12, pp. 1851-1856, Dec. 1987.
Goodrum et al. "Peanut Oil Extraction with SC-CO.sub.2 ", American Society of Agricultural Engineers, vol. 30(6) pp. 1865-1868.

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