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The physical properties of modified palm oil

✍ Scribed by Dere A. Okiy; Winifred B. Wright; Kurt G. Berger; Ian D. Morton

Publisher
John Wiley and Sons
Year
1978
Tongue
English
Weight
525 KB
Volume
29
Category
Article
ISSN
0022-5142

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✦ Synopsis

Abstract

Palm oil has been treated by partial lipase hydrolysis and by interesterification with excess glycerol and the effects on the chemical and physical properties have been investigated. Lipase hydrolysis preferentially removes unsaturated acids and the neutral glycerides remaining after removal of the free fatty acids therefore have an increased solids content at 20Β°C. Both differential scanning calorimetry (d.s.c.) and X‐ray examination show that the crystalline phases present above 20Β°C are more heterogeneous after lipase treatment. Interesterification results in a mixture of tri‐ and diglycerides with an increased solids content at 20Β°C and a marked tendency to form Ξ² phase crystals. Some potential practical applications are discussed.

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