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EVALUATION OF THE OILS STABILITY OBTAINED BY CULTIVATING SOME SUNFLOWER HYBRIDS HIGH OLEIC HIGH STEARIC ( HOHS) IN THE WESTERN REGION OF ROMANIA
Abstract
The oil obtained from linoleic sunflower hybrids grown mainly by Romanian farmers shows a low oxidation stability. In the period 2021-2023, high oleic and high oleic high stearic sunflower hybrids were cultivated experimentally in the western part of Romania. A good climatic and pedological adaptability was observed both in the intensive conventional culture and in the biologic one. The fatty acid profile showed the same characteristics. The oil obtained from linoleic sunflower hybrids grown mainly by Romanian farmers shows a low oxidation stability. Oils were extracted from the obtained products by different methods: cold pressing, hot extraction, microwave extraction. The fatty acid profile of the oils was determined by gas chromatography. The oxidation stability testing of the oils was done with the Oxitest aparatus, under conditions of accelerated oxidation at different temperatures, from the values of the induction periods until the appearance of the oxidation products, determining the shelf life of the oils.
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References5
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