CHARACTERIZATION OF CRYSTALS IN PALM OLEIN

Authors
Citation
Wl. Siew et Wl. Ng, CHARACTERIZATION OF CRYSTALS IN PALM OLEIN, Journal of the Science of Food and Agriculture, 70(2), 1996, pp. 212-216
Citations number
12
Categorie Soggetti
Agriculture,"Food Science & Tenology
ISSN journal
00225142
Volume
70
Issue
2
Year of publication
1996
Pages
212 - 216
Database
ISI
SICI code
0022-5142(1996)70:2<212:COCIPO>2.0.ZU;2-S
Abstract
The composition of the crystals obtained during the storage of palm ol ein between 28 and 10 degrees C were analysed by gas-liquid and high-p erformance liquid chromatography. The crystals were of the beta form, and consisted of a high-melting component and a low-melting component. The high-melting component melts at 65 degrees C and consist of a hig h concentration of diglycerides, mainly the 1,3-dipalmitin. The low-me lting component is probably the palm olein liquid entrapped between th e crystals. The high tripalmitin and dipalmitin content in the crystal s suggest that these glycerides need to be removed if the olein were t o remain clear under fluctuating temperature conditions.