FATTY ACID COMPOSITION OF SEVERAL OILSEED WINTER RAPESEED HYBRIDS CULTIVATED IN CENTRAL SOUTH BULGARIA | МАСТНОКИСЕЛИНЕН СЪСТАВ НА МАСЛОТО ОТ НЯКОЛКО ХИБРИДА ЗИМНА МАСЛОДАЙНА РАПИЦА ОТГЛЕЖДАНА В ЦЕНТРАЛНА ЮЖНА БЪЛГАРИЯ
2012
Petkova-Andonova, M., Agricultural University, Plovdiv (Bulgaria) | Ivanova, R., Agricultural University, Plovdiv (Bulgaria) | Todorov, Zh., Agricultural University, Plovdiv (Bulgaria)
The seeds subject to the analysis were obtained from the average seed material obtained from the hybrids grown in a comparative experiment on varieties. Subject of the experiment were the German - 00 type of hybrids /canola/, Sitro, Fines, Merano, Abakus and Hornet. The experiment was carried out in the experimental field of the Plant-growing department at the Agricultural University – Plovdiv in the period 2008 – 2010, by the block method with four replications and size of the yield plot 20 m2. The content of fats and fatty-acid composition of the five experimental hybrids were determined. The oil content was determined in accordance with the residue method using a Soxhlet apparatus, while that of the fatty acids – through extraction. The results showed that the hybrid Sitro was characterized by the lowest content of fats – 35.3%. Fines and Merano were reported to have almost equal content of fats - 40.8%; 40.3%. The quantity of the saturated fatty acids in the oil of the tested hybrids was comparatively low – from 9.4% to 10.1% and it can be used for foods without a problem. The quantity of the unsaturated fatty acids in the oil of the tested rapeseed hybrids varied from 89.9% in Sitro to 90.6% in Мerano. The content of oleinic acid varied from 66.3% in Àbakus, to 73.6% in Sitro. All tested hybrids did not contain the harmful erucic acid.
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