نتایج جستجو برای: yolk oxidative stability
تعداد نتایج: 432698 فیلتر نتایج به سال:
The current research demonstrated that nutritive constituents, oxidative stability of silky fowl egg. Present results consisted with the previous report. It was speculated that the unsaturated fatty acid chains of lipids contributed to the oxidative stability of silky fowl eggs. Rheologic properties, and oxidative stability of baked sponge cake using silky fowl egg. From the results of this stu...
raw (intact) sesame seed showed a high content of oil, protein and ash: respectively, 52%, 24% and 5%. studies were conducted on some quality characteristics of sesame and olive oils. the following values were obtained from raw sesame, sesame paste and olive oils, respectively: unsaponifiable matter 1.35, 1.46, and 1.50%; total phenols 14.21, 16.82, and 53.33 mg kg-1 oil; chlorophylls 0.04, 0.0...
in the present study, oxidative stability of canola oil extracted with hot press at 85-100ºc was compared with unheated canola oil extracted with cold press at 40-45ºc.the stability of oil was measured every week during a four months storage using free fatty acid, acid value, peroxide value, anisidine value, totex value and rancimat test. the results obtained showed that pretreatment and method...
The present work aimed to evaluate capability of a new molecular structure to stabilize polyethylene against thermal oxidation. Hence, effects of 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one (thymolphthalein) on thermo-oxidative stability of high density polyethylene (HDPE) in both solid and melt states were investigated and compared with those of SONGNOX 1010, a comme...
The present work is aimed to find a new and efficient type of antioxidants for polypropylene. Hence, effects of 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one, generally known as thymolphthalein, on thermo-oxidative stability of polypropylene in solid and melt states were evaluated and compared with those of SONGNOX 1010, an efficient commercially used antioxidant for the po...
The effect of storage time on the coalescence stability and drop size distribution of egg yolk (EY) and whey protein concentrate (WPC) stabilized emulsions is studied. The emulsion stability is evaluated by centrifugation, whereas the drop size distribution is measured by means of NMR and optical microscopy. The experimental results show that there is no general relation between the emulsion st...
background: spindle trees (euonymus japonica thunb.) growing in an industrial complex area containing pollutants is chronically injured thus need to build up their resistance. antioxidant enzymes and cell membrane stability have been widely used to differentiate stress tolerance. materials and methods: leaves of spindle trees from a clean control area (kijang) and an industrial area (onsan) whe...
Piscivorous birds consume diets which are rich in highly-polyunsaturated n-3 fatty acids; these play vital roles in embryonic development but are very susceptible to oxidative damage. The effects of such diets on the fatty acid composition and antioxidant content of the yolk were investigated in the northern gannet Morus bassanus, the great skua Catharacta skua, the American white pelican Pelec...
measuring the rate of changes in total polar compounds (tpc) content and polar fractions, the oxidative stability of canola oil during frying process as affected by bene kernel oil (bko, 0.05 and 0.1%) and tert-butylhydroquinone (tbhq, 100ppm) was investigated. it was observed that the tpc content increased linearly with frying time (r2 > 0.98). the canola oil containing the bko (especially 0.1...
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