latif,, S. (2003). NUTRITIONAL BIOASSAY OF HEATED SOYA BEAN AND PALM OIL~ AT DIFFERENT THERMAL TREATMENTS. Journal of Food and Dairy Sciences, 28(8), 6221-6230. doi: 10.21608/jfds.2003.245072
Souzan S. latif,. "NUTRITIONAL BIOASSAY OF HEATED SOYA BEAN AND PALM OIL~ AT DIFFERENT THERMAL TREATMENTS". Journal of Food and Dairy Sciences, 28, 8, 2003, 6221-6230. doi: 10.21608/jfds.2003.245072
latif,, S. (2003). 'NUTRITIONAL BIOASSAY OF HEATED SOYA BEAN AND PALM OIL~ AT DIFFERENT THERMAL TREATMENTS', Journal of Food and Dairy Sciences, 28(8), pp. 6221-6230. doi: 10.21608/jfds.2003.245072
latif,, S. NUTRITIONAL BIOASSAY OF HEATED SOYA BEAN AND PALM OIL~ AT DIFFERENT THERMAL TREATMENTS. Journal of Food and Dairy Sciences, 2003; 28(8): 6221-6230. doi: 10.21608/jfds.2003.245072
NUTRITIONAL BIOASSAY OF HEATED SOYA BEAN AND PALM OIL~ AT DIFFERENT THERMAL TREATMENTS
Soyab~an oil and palm oil were submitted to heal treatment (170-180°C) as moderate heat~n9 for short-term (6 hrs.) and long-term (12 hrs.). as well as (220- 230°C) as ext a healing for 6 hrs. to evaluate these thennal effects on physical and chemical varia les al'1d fatty acids composition and compared to fresh oil ones & cotton seed oil as control. However, fried palm oil at 170-18OCC for 6 hrs. had no observed chahges in the all parameter of physicochemical properties and also salUrated andl~r unsaturated fatty acids content.
Nutritif.nal assay of different heatec soya bean and palm oils was carried out.
Nine groups of adult Albino rats fed of inoividually diets contained 15% tested oil as follows: C0I10~ seed oil (control). fresh soya oil (F.S.D.). heated soya oil at <200"C for 6hrs. (H1.S.0!). - for 12 hrs (H2.S D.). - at >20QoC for 6 hrs. (H3.S.0.), fresh palm oil (F.P.O), heat~d palm oil at <200°C lor 6hrs. (H1.P.D.), - for 12 hrs. (H2. P.D.) and- at >200°C fO~ 6hrs. (H3.P.O.). respectively. The experimental feeding indicated that no significantl differences in weight gain, food efficiency, liver weight and tiver enzymes actiytty (Al T and AST) in rats group fed heated palm oil at>200"C for 6 hrs., as well as t9tal lipids. total cholesterol and phospholipids in the serum of rats fed the same heoted F,il. Therefore, it can be concluded that palm oil was more stable against the moderate; heating for shor1-lerm. The results indicated also that although, soya oil had high con~ent of the essential fatty acid (Lenoleic acid), but it was less reslstant against moderate or severe heating process than palm oil. However. the extra heating (220-230°C) ~ndlor long-term (12 hrs.) for both soya and patm oils induced high thermoxid8tiv~ processes and yield measurable products that decreased the nutritive value of sue, oils and made harmful effect in the liver functions for the experimental animals.
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