نتایج جستجو برای: rancimat test
تعداد نتایج: 812204 فیلتر نتایج به سال:
The aim of this research was to assess the physico-chemical properties and shelf-life oils press-extracted at two temperatures (60 °C 80 °C) from five Peruvian castor bean ecotypes. A wide variation for all traits observed. Low acidity index, low peroxide index absence p-anisidine were recorded. total tocopherol contents ranged 798 1040 mg/kg. higher antioxidant capacity detected in methanolic ...
Antioxidant activity of pomegranate (Punica granatum) peel extract (PPE), extracted by either methanol or ethanol solvent, was studied by phosphomolybdenum method. Antioxidant activity of methanolic PPE was higher than the other. To evaluate heat stability of PPE in sunflower oil, the rancidity rate of the oil was compared at 90, 120, and 150ºC with those containing α-tocopherol and synthetic B...
the oil extracted from three major canola cultivars (hyolla401, hyolla420 and rgs003) grown in golestan province was analyzed for physico-chemical properties, fatty acid composition, minerals content, and stability during 16 weeks of storage. according to the results, the highest iodine value and refractive index belonged to hyolla401. the highest saponification value was observed in hyolla420....
Co-extraction of pomegranate seed oil (PSO) with green tea leaves (GTL) (0 [control sample], 2.5, 5, 7.5, and 10% w/w) was conducted by cold-press to evaluate the extracted quality during storage. The extraction yield similar control sample up 5% w/w GTL. Total phenol chlorophyll content were increased in oils increasing level acid peroxide values storage lowest achieved for PSO Rancimat analys...
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