High resolution carbon-13 nuclear magnetic resonance 13 CNMR can be used for characterization of palm oil and palmkernel oil in determining the iodine value IV of the oil. Determination of iodine value is of commercial importance viz.
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A rapid method for the quantitative determination of iodine value IV of palm oil products by FTIR transmission spectroscopy is described.
. A calibration standard was developed by blending palm stearin and superolein in specific. Rapeseed oil HEAR Rice bran oil. Up to 10 cash back Iodine value IV is used as a parameter in process control as well as a quality parameter in traded palm oil products.
The higher the iodine value of the palm oil is the lower the saturation degree is the higher the unsaturation degree is and thus the lower the corresponding melting point of the palm oil is and the lower the crystallization temperature corresponding to a cooling crystallizing process is. Iodine value g100 g. The consensus values and their uncertainties were based on the acceptability of statistical agreement of results obtained from collaborating laboratories.
IV measures the number of. 51 - 54 50 - 55. Iodine value g100 g Oil Fat.
The invention relates to a method for determining an iodine value of palm oil. Iodine is not taken up by saturated oils waxes or fats because their iodine value is zero. Up to 10 cash back A rapid method for the quantitative determination of iodine value IV of palm oil products by FTIR transmission spectroscopy is described.
Soybean oil in contrast has an iodine value of 130. On fractionation it can be split into 55 liquid olein and 45 solid stearin. About Palm Oil PALM OIL.
Iodine Value I V Palm Oil This multi-compendium is a comprehensive illustrated and scientifically up-to-date work covering more than a thousand species of edible medicinal and non-medicinal plants. The more unsaturated the fatty acid the greater the iodine value IV. The iodine value or iodine adsorption value or iodine number or iodine index commonly abbreviated as IV in chemistry is the mass of iodine in grams that is consumed by 100 grams of a chemical substanceIodine numbers are often used to determine the amount of unsaturation in fats oils and waxes.
Palm oil has an iodine value of 53 and is semisolid at room temperature. 7 vegetable oils olive oil refined palm kernel oil crude and refined palm oil tung oil sunflower seed oil hydrogenated soya bean oil 3 animal fats crude and hydrogenated fish oil tallow and a used frying oil. Oleifera 136 and the iodine values were 520 663 and 774 g I2 100 g-1 respectively.
This parameter is extremely important in the palm oil industry where it is used to follow the. Iodine value can be used to measure the degree of unsaturation of oils and fats. The higher the iodine value the less stable the oil and the more vulnerable it is to oxidation and free radical production.
Guineensis showed oil in the mesocarp of 547 followed by the OG hybrid 470 and E. It is only necessary t. Therefore the thermal behavior of an oil could reflect.
To form a double bond carbon requires more energy 615 kJmol than to form a single bond 350 kJmol. Palm oil 506 - 55. The iodine value also known as the iodine number is a measure of the degree of unsaturation of fat wax or oil.
Palm oil neutralized Palm oil neutralized and bleached. The specifications are given in Malaysian Standard MS8162007Table 3. It is expressed in gms the amount of iodine which is taken up by 100 gms of the fat wax or oil.
There are two approaches to achieve this objective. Based on the TG groups stepwise regression analysis showed that the areas of the disaturated trisaturated and triunsaturated TG peaks could predict the IV with. Palm oil Palm olein.
Iodine value recommended standards are as follows g of iodine100g of oil. This work allowed the identification of interspecific OG hybrids as promising crosses with less lipase activity and higher iodine. The results are normally expressed as the number of grams of iodine absorbed by 100 g of oil or fat considering the conditions of the test.
Palm 50-55 corn 103-135 soybean 120-143. A calibration standard was developed by blending palm stearin and superolein in specific ratios that covered a range of 279 to 653 IV units. Basically there are two major grades of palm olein.
However iodine is taken up by. High iodine value oils are prone. The iodine value and slip melting point of palm oil palm olein and palm stearin were determined in accordance to MPOB Test Methods p322004 and p422004 respectively.
Super olein is more suited to cooler climates. In fatty acids unsaturation occurs mainly as double bonds which are very. 180 - 205 Palm kernel oil.
66 - 143 Palm stearin. Iodine Value Iodine value is used to measure unsaturation or the average number of double bonds in fats and oils. Genomic and Breeding ResourcesColloid.
IV measures the number of double bonds in the molecular structure of an oil. The iodine value of the oil was 55217 g I 2 100 g oil which indicated that the oil was likely to be high in saturated fatty acids as it had an iodine value similar to that of palm oil. The spectra of these standards was measured in the range between 3050 and.
Palm Oil Engineering Bulletin No8 Oct - Dec 1987 p24 Datasheet. 16 - 23 141 - 21. Oil Fat Olive oil.
75-94 Ongokea oil. The standard olein has an iodine value of about 56-59 and cloud point of 10C max. Decrease in iodine value shows decrease in the number of double bonds and it indicates oxidation of the oil.
Theory And PracticeProceedings 1989 PORIM International Palm Oil Development ConferenceWild Crop Relatives. It contains only 15 percent saturated fatty acids with 85 percent unsaturated fatty acids thus the reason for its high iodine value. Standard olein and super olein iodine value greater than 60.
This work will be of significant interest to scientists researchers medical practitioners pharmacologists ethnobotanists horticulturists food. Peanut oil Rapeseed oil. Olein fetches a higher market price and one objective in oil palm breeding is to further increase the proportion of olein to stearin.
Palm Oil Engineering Bulletin No41 Apr - Jun 1996 p13 Datasheet Iodine and saponification value of some common vegetable and animal fats and oils-View Full Article Download PDF version. Iodine value IV is used as a parameter in process control as well as a quality parameter in traded palm oil products. Therefore it is hypothesized that the IV of an oil can be determined based upon the TG composition of the oil.
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