نتایج جستجو برای: dehydration temperature
تعداد نتایج: 465291 فیلتر نتایج به سال:
A dynamic method was developed for kinetic model parameter estimation of ascorbic acid degradation during air-dehydration of pretreated (sucrose and sulphiting pretreatments) pineapple slices. Pineapple slices were pretreated in sucrose solution of 40% and 60% and SO2 solution of 1500ppm and 2500ppm SO2 respectively before air-dried in a cabinet dried for 10h at 700C temperature. Ascorbic acid ...
The polysaccharide capsule of Escherichia coli K29 fully surrounds the microorganism and thus occupies an extracellular space ca. 20 times larger in volume than that of the decapsulated cell. Since more than 95% of the capsule consists of water, dehydration for electron microscopy causes the material to collapse. We describe here a method for embedding the capsule in an uncollapsed form. Dehydr...
Dehydration-responsive element binding (DREB) transcription factors (TFs) play important roles in the regulation of plant resistance to environmental stresses and can specifically bind to dehydration-responsive element/C-repeat element (DRE/CRT) proteins (G/ACCGAC) and activate expression of many stress-inducible genes. Here, we cloned and characterized a novel gene (AaDREB1) encoding the DREB1...
Wheat, pretreated by 60Co gamma irradiation, was dried by hot-air with irradiation dosage 0-3 kGy, drying temperature 40-60 °C, and initial moisture contents 19-25% (drying basis). The drying characteristics and dried qualities of wheat were evaluated based on drying time, average dehydration rate, wet gluten content (WGC), moisture content of wet gluten (MCWG)and titratable acidity (TA). A qua...
Plate-boundary fault rupture during the 2004 Sumatra-Andaman subduction earthquake extended closer to the trench than expected, increasing earthquake and tsunami size. International Ocean Discovery Program Expedition 362 sampled incoming sediments offshore northern Sumatra, revealing recent release of fresh water within the deep sediments. Thermal modeling links this freshening to amorphous sil...
Manganese oxides (MnOx ) are considered to be promising catalysts for water oxidation. Building on our previous studies showing that the catalytic activity of MnOx films electrodeposited from aqueous electrolytes is improved by a simple heat treatment, we have explored the origin of the catalytic enhancement at an electronic level by X-ray absorption spectroscopy (XAS). The Mn L-edge XA spectra...
Membranes are often damaged by freezing and/or dehydration, and this damage may be reduced by solutes. In many cases, these phenomena can be explained by the physical behavior of membrane-solute-water systems. Both solutes and membranes reduce the freezing temperature of water, although their effects are not simply additive. The dehydration of membranes induces large mechanical stresses in the ...
We investigate the existence of specific/nonthermal microwave effects for the dehydration reaction of xylose to furfural in the presence of NaCl. Such effects are reported for sugars dehydration reactions in several literature reports. To this end, we adopted three approaches that compare microwave-assisted experiments with a) conventional heating experiments from the literature; b) simulated c...
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