Effect of treatments seed on chemical composition of sunflower seed

Istraživanjem je utvrđen utjecaj tretmana sjemena na kemijski sastav zrna suncokreta (Fakir i Apolon) tijekom skladištenja od 12 mjeseci. Naturalni i tretirani uzorci sjemena suncokreta s insekticidima Apron + Chinok, te Apron + Geocid, upakirani su u papirnatu dvoslojnu natron vreću i uskladišteni u betonsko-montažno skladište (vlaga zraka 60-75% i temperatura 20-25oC). Nakon 12 mjeseci sadržaj ulja u zrnu izmjeren je spektroskopskom metodom nuklearne magnetne rezonancije (NMR). Rezultati istraživanja su pokazali da sjeme hibrida Fakir ima manji sadržaj ulja (47,16%) od sjemena hibrida Apolon (51,37%). Nakon skladištenja naturalno sjeme imalo je veći sadržaj ulja od tretiranog sjemena (od 3,11 do 6,05%). Tretiranjem sjemena pripravkom Apron+Geocid sadržaj ulja oba hibrida suncokreta je umanjen od 6,07 do 7,01%.This investigation aimed to examine effect of treatmens of sunflower seed (hybrids Fakir and Apolon) on grain chemical composition (oil and protein content) during the storage. Un-powdered and with insecticides Apron + Chinok, and Apron + Geocid samples of sunflower seeds were put in double layered craft paper bag and stored on concrete prefabricated warehouse (air moisture 60 –75% and temperature 20-25o C). Seed samples intended for chemical grain analyses were taken after 12 months. Content of total oil was determined by nuclear magnetic resonance (NMR) spectroscopy method. Sunflower seed of Fakir hybrid was, at the initial storage, characterized by 47,165% of oil content whereas sunflower seed of Apolon hybrid was known for 51,37% of oil content. Twelve months later oil content of treated sunflower seed was lower for 3,11-6,05%. Seed treatment with the agent Apron + Geocid reduced oil of both hybrids for 6,07-7,01%