نتایج جستجو برای: sucrose
تعداد نتایج: 24174 فیلتر نتایج به سال:
Sucrose hydrolysis was carried Out by Saccharomyces strains. The effective rate of reaction was examined experimentally for 5 different Saccharomyces strains. Two Strains of Schizosaccharomyces and Saccharomyces Carlsbergensis showed the best invertase activity. These two strains showed Michaelien Kinetics in the sucrose concentration up to 0.2 M and inhibitory effect in the concentration b...
sucrose is applied as an efficient catalyst for the three-component reaction consisting of aromatic aldehydes, malononitrile and resorcinol in a mixture of water and ethanol media as green solvents. the advantages of this method are excellent yeild, inexpensive catalyst and more environmentally friendly. mechanistic insight into the synthesis of 2-amino-4h-chromene included spectral kinetics ap...
The aim of this study was to investigate carbohydrate metabolism in rice seedlings subjected salt-alkaline stress. Two relatively tolerant (Changbai 9) and sensitive (Jinongda 138) cultivars, grown hydroponically, were stress via 50 mM solution. content the activities metabolism-related enzymes leaves roots investigated. results showed that contents sucrose, fructose, glucose increased under St...
This experiment was conducted on rose cut flowers, Red Naomy cultivar, with the length of 35 cm, for 18 hours as a short-term treatment in a factorial based on completely randomized design with five treatments including sucrose + 8-Hydroxyquinoline sulfate, salicylic acid + sucrose + 8-Hydroxyquinoline sulfate, ascorbic acid + sucrose + 8-Hydroxyquinoline sulfate, Salicylic acid + ascorbic acid...
tuberose (polianthus tuberosa) is a commercially important cut flower; but its longevity and quality characteristics are compromised by stress during storage and transportation. thus, it is important to determine the most appropriate preservative solution to best maintained cut flowers. tests were done to examine the effects on of nano-silver (ns) (0, 15, 30 and 45 mg l-1) and sucrose (0, 4 and...
xylitol is the first rare sugar that has global market due to having beneficial health properties and being an alternative to current conventional sweeteners. biotechnological production of xylitol by candida tropicalis dsm 7524 as an alternative to chemical method for the fermentation of xylose to xylitol was studied. banana peel was used as a substrate for xylitol production. hydrolysate was ...
Sucrose is an industrially important carbon source for microbial fermentation. Sucrose utilization in Escherichia coli, however, is poorly understood, and most industrial strains cannot utilize sucrose. The roles of the chromosomally encoded sucrose catabolism (csc) genes in E. coli W were examined by knockout and overexpression experiments. At low sucrose concentrations, the csc genes are repr...
the aim of the study was to evaluate changes of sorbitol, glucose, fructose, sucrose, and total sugars of plum fruits in different years under different climatic conditions i.e. air temperature and precipitation. the cultivars investigated in the research were: topstar, toptaste, jojo, haganta, tophit, and top 2000. the fruits were harvested at optimal stage of maturity in the experimental orch...
Background and Objectives: Several studies have shown that sucrose intake results in pain relief during painful procedures among neonates. The effect of sucrose intake on intramuscular injection pain have less been studied. The aim of this study was to assess the effect of oral sucrose 30% on pain relief of Hepatitis B vaccine injection in full-term infants. Materials and Methods: In this tripl...
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