Process for the deodorization and stabilization of polyunsaturat

Details Process for the deodorization and stabilization of polyunsaturat Process for the deodorization and stabilization of polyunsaturat

1987-07-20

1990-04-10

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C11B 500

Patent

active

049158767

ABSTRACT:
Disclosed are novel deodorization processes to realize highly polyunsaturated oils of enhanced stability. The novel deodorization has particular suitability for processing fish oils and soybean oil. The process involves use of mild solutions of acids and/or bases in sequential distillations to manipulate the volatility of undesirable aroma compounds to effect removal of offending compounds and precursors therefor. The oils are then polished to remove residual moisture and salts and to acidify the oil.

REFERENCES:
patent: 3562301 (1971-02-01), Fryer et al.
patent: 4261912 (1981-04-01), Tracy
patent: 4623489 (1986-11-01), Rivers
3-cis-Hexenal, the "Green" Reversion Flavor of Soybean Oil, by G. Hoffmann, The Journal of the American Oil Chemists' Society, vol. 38, pp. 1-3, 3/60.
A Systematic Characterization of the Reversion Floavor of Soybean Oil, by Smouse et al., The Journal of the American Oil Chemists' Society, 8/67, pp. 509-514.

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