نتایج جستجو برای: sucrose content
تعداد نتایج: 436287 فیلتر نتایج به سال:
First-pass hepatic retention of glucose had previously been measured indirectly from the appearance of ingested labelled glucose into the systemic circulation. To determine the accuracy of the procedure, results obtained by this indirect method were compared with those of direct measurement of hepatic retention of labelled glucose given by instantaneous injection into the portal vein. In the ra...
Enzymatic changes are often detrimental to quality of low-moisture foods. In the present study, effects of glass transition and water on sucrose inversion in a lactose-sucrose food model were investigated. Amorphous samples were produced by freeze-drying lactose-sucrose (2:1)-invertase (20 mg invertase/49.4 g of carbohydrate) dissolved in distilled water. Sorption isotherms were determined grav...
Laboratory mice drink little sucrose solution on initial exposure, but later develop a strong preference for sucrose over water that plateaus after a few days. Both the initial neophobia and later plateau of sucrose intake may involve central oxytocin (OT) signaling pathways. If so, then mice that lack the gene for OT [OT knockout (KO)] should exhibit enhanced initial and sustained sucrose inta...
The aim of this work was to use preparations from germinating seeds of Pisum sativum to determine the apparent equilibrium constant of the reaction catalysed by sucrose-phosphate synthase (EC 2.4.1.14) and to compare this with the mass-action ratio of the reaction in the seeds. The apparent equilibrium constant ranged from 5.3 at 0.25 mM-MgCl2, pH 7.0, to 62 at 10 mM-MgCl2, pH 7.5. The sucrose ...
Variations in leaf starch accumulation were observed among four species (wheat [Triticum aestivum L.], soybean [Glycine max L. Merr.], tobacco [Nicotiana tabacum L.], and red beet [Beta vulgaris L.]), nine peanut (Arachis hypogea L.) cultivars, and two specific peanut genotypes grown under different nutritional regimes. Among the genotypes tested, the activity of sucrose phosphate synthase was ...
Abstract In order to study the effect of water deficit stress on some physiological characteristics including leaf water osmotic and turgor potentials and osmolytes including sugars, proline and invertase activity of Persian melon (Cucumis melo Group. cantaloupensis cv. samsoury), an experiment was conducted in complete randomized design. Treatments including three irrigation levels (start of ...
in order to prevent of inflorescence bud abscission and reduce of alternate bearing in pistachio cv. ‘ohadi’ an experiment with 12 treatments including of girdling, fruit thinning, application of urea (0.5%), sucrose (3 and 5%) and their combination with urea, zinc sulfate (0.05 and 0.1% of pure zinc) and also their combination with urea in 3 replication and during 2 stages, was conducted in 20...
The purpose of this study was to determine if the osmoregulatory response in Escherichia coli BW25993 varied depending on the solute used to cause osmotic stress, as measured by β-galactosidase enzyme activity. β-galactosidase enzyme activity was measured in E. coli BW25993 after osmotic shock with NaCl or sucrose for 2 hours. β-galactosidase activity was normalized against number of colony for...
Penicillium purpurogenum was found to produce both extracellular and intracellular fructosyltransferase. The organism could also produce sucrose hydrolytic enzyme. Sucrose was found to be the best carbon source for fructosyltransferase production. Maximum intracellular and extracellular fructosyltransferase production was observed after 3 and 4 day of cultivation, respectively. The enzyme activ...
The aim of this study was the better assessment of the relationship of pulsing treatment of gibberellic acid as an anti-senescence agent and holding in sucrose as a carbohydrate supply resource on improving some qualitative and physiological attributes of cut rose flower cv. Velvet. Hence, an experiment involving the pulsing treatment with gibberllic acid (GA3) at 0, 20, 40 and 60 mg L-1, for 2...
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