Chemistry of hydrocarbon compounds – Alicyclic compound synthesis – Carotene or derivative
Patent
1996-04-30
2000-06-06
Niebling, John F.
Chemistry of hydrocarbon compounds
Alicyclic compound synthesis
Carotene or derivative
585864, C07C40300
Patent
active
060720921
ABSTRACT:
A process for the recovery of carotenes and the production of carotene concentrate from natural oils and fats. The carotene-containing natural oils and fats is subjected to alcoholic esterification to form a mixture of fatty acid alkyl esters, carotenes, tocopherols and tocotrienols. The alkyl esters mixture is subjected to vacuum distillation at a pressure of less than 60 mTorr and a temperature of less than 180.degree. C. to form a carotene-rich concentrate. The carotenes in the carotene-rich concentrate are adsorptively separated, concentrated and collected as carotene-rich fraction.
REFERENCES:
patent: 5019668 (1991-05-01), Keat et al.
patent: 5157132 (1992-10-01), Tan et al.
Choo Yuen May
Ma Ah Ngan
Ooi Cheng Keat
Yap Soon Chee
Ghyka Alexander G.
Niebling John F.
Palm Oil Research & Development Board
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