نتایج جستجو برای: wheat samples
تعداد نتایج: 474007 فیلتر نتایج به سال:
Laboratory experiments on wheat samples included moisture and protein content, Hagberg’s falling number, wet gluten content, alveographic values, and microbiological tests. Th e examined winter wheat varieties (‘Magor’, ‘Hunor’, ‘Róna’ and ‘Kondor’) retained their moisture, protein content, and their Hagberg’s falling number aft er storage. A slight increase was observed in wet gluten content f...
Waxy proteins are responsible for amylase synthesis in wheat seeds, being encoded by three waxy genes (Wx-A1, Wx-B1 and Wx-D1) in hexaploid wheat which have an important role in starch quality. The purpose of this study was to investigate phylogenetic relationship between waxy genes in wild and cultivated wheat using Multiplex-PCR. To this end, 71 populations from 8 Aegilops and 4 wheat wild sp...
Wheat, rye and triticale samples were evaluated in terms of physicochemical and technological properties. The triticale samples had higher susceptibility of sprouting compared to rye. The milling value of wheat and triticale samples was over 70, suggesting good milling properties and the ability to provide flours with low extraction rates. Of all studied grains, triticale had the lowest dough d...
Background : Zearalenone is an estrogenic mycotoxin produced by several Fusarium species and is of particular interest because of its widespread occurrence and strong estrogenic effects. Wheat and its flour is amongst the most important food and feeds sources that may become contaminated with zearalenone. Therefore, this study was carried out to determine the zearalenone concentration in wheat ...
Byamukama, E., Seifers, D. L., Hein, G. L., De Wolf, E., Tisserat, N. A., Langham, M. A. C., Osborne, L. E., Timmerman, A., and Wegulo, S. N. 2013. Occurrence and distribution of Triticum mosaic virus in the central Great Plains. Plant Dis. 97:21-29. Wheat curl mite (WCM)-transmitted viruses—namely, Wheat streak mosaic virus (WSMV), Triticum mosaic virus (TriMV), and the High Plains virus (HPV)...
The objective of this study was to evaluate properties of experimental particleboard panels manufactured from wheat straw that had been pretreated with acetic anhydride, soapy solution, hot water, or steam. Wheat straw particles were mixed with commercially manufactured wood particles at a ratio of 60%. Control straw particleboards with non-treated straw and wood particles were also produced. T...
Hrušková M., Švec I. (2009): Wheat hardness in relation to other quality factors. Czech J. Food Sci., 27: 240–248. The analysis of the wheat hardness relation to other quality features was done with a set of 281 variety and commercial wheat samples, planted during the years of 2003–2006 in Central Bohemia and south Moravia areas. Technological quality was evaluated for grain, milling process, a...
This paper developed a rapid and nondestructive method for quantitative analysis of a cheaper adulterant (wheat flour) in oat flour by NIR spectroscopy and chemometrics. Reflectance FT-NIR spectra in the range of 4000 to 12000 cm(-1) of 300 oat flour objects adulterated with wheat flour were measured. The doping levels of wheat flour ranged from 5% to 50% (w/w). To ensure the generalization per...
We evaluated Fusarium contamination and the levels of hexadepsipeptide mycotoxins in 13 wheat samples affected by head blight in Finland. Fusarium avenaceum was the dominant species (91%) isolated from all samples, but isolates of F. culmorum (4%), F. tricinctum (3%), and F. poae (2%) also were recovered. Beauvericin (0.64 to 3.5 microg/g) was detected in all 13 samples. Enniatin B (trace to 4....
A total of 122 wheat varieties obtained from the Nordic Genetic Resource Center were infected artificially with an aggressive Fusariumasiaticum strain in a field experiment. We calculated the severity of Fusarium head blight (FHB) and determined the deoxynivalenol (DON) content of wheat grain, straw and glumes. We found DON contamination levels to be highest in the glumes, intermediate in the s...
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