Journal
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
Volume 81, Issue 2, Pages 129-134Publisher
WILEY
DOI: 10.1007/s11746-004-0870-2
Keywords
blended fats; GLC; margarines; Pakistan; trans fatty acid
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This study presents the FA composition and trans FA (TFA) contents of different hydrogenated vegetable oils and blended fats marketed in Pakistan. Thirty-four vanaspati (vegetable ghee), 11 shortenings, and 11 margarines were analyzed. The contents of saturated FA, cis monounsaturated FA, and cis PUFA were in the following ranges: vanaspati 27.8-49.5, 22.2-27.5, 9.3-13.1%; vegetable shortenings 37.1-55.5, 15.8-36.0, 2.7-7.0%; and margarines 44.2-55.8, 21.7-39.9, 2.9-20.5%, respectively. Results showed significantly higher amounts of TFA in vanaspati samples, from 14.2 to 34.3%. Shortenings contained TFA proportions of 7.3-31.7%. The contents of TFA in hard-type margarines were in the range of 1.6-23.1%, whereas soft margarines contained less than 4.1% TFA.
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