The Experts below are selected from a list of 267 Experts worldwide ranked by ideXlab platform
George N Skaracis - One of the best experts on this subject based on the ideXlab platform.
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optimization of xanthan gum production by xanthomonas campestris grown in Molasses
Process Biochemistry, 2003Co-Authors: Stavros Kalogiannis, Gesthimani Iakovidou, M Liakopouloukyriakides, Dimitrios A Kyriakidis, George N SkaracisAbstract:Xanthan gum production by Xanthomonas campestris ATCC 1395 using sugar beet Molasses as carbon source was studied. The pre-treatment of sugar beet Molasses and the supplementation of the medium were investigated in order to improve xanthan gum production. Addition of K2HPO4 to the medium had a significant positive effect on both xanthan gum and biomass production. The medium was subsequently optimized with regard to Molasses, K2HPO4 concentration and initial pH. Maximum xanthan gum production (53 g/l) was observed after 24 h at 175 g/l Molasses, 4 g/l K2HPO4 and at neutral initial pH. Results indicate that K2HPO4 serves as a buffering agent as well as a nutrient for the growth of X. campestris. Sugar beet Molasses appears to be a suitable industrial substrate for xanthan gum fermentations.
B. W. Norton - One of the best experts on this subject based on the ideXlab platform.
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Substitution of sorghum grain for Molasses increases the liveweight gain of steers given Molasses-based diets
The Journal of Agricultural Science, 1998Co-Authors: H. Peiris, R. Elliott, B. W. NortonAbstract:Sorghum grain was included in a basal diet of Molasses (Molasses 505, urea 21, sunflower meal 191, pangola grass hay 250, minerals 31 g/kg as fed) at rates of 0, 202, 391 and 707 g/kg, generating diets in which grain replaced 0 (diet A), 33 (diet B), 66 (diet C) and 100% (diet D) of the Molasses and hay. The four diets were fed to groups of four Hereford steers (293-334 kg liveweight) over a 96-day period. One half of each treatment group was implanted with a growth promotant (zeranol), and all were slaughtered at a commercial abattoir at the end of the trial. The inclusion of 33% grain increased voluntary feed consumption, digestible dry matter (DM) intake (from 57.6 to 82.0)g digestible DM/kg per day and significantly increased liveweight gain from 592 to 900 g/day. Zeranol implantation also increased liveweight gain but not feed intake. Steers given only grain (diet D) had the highest liveweight gains (1127 g/day). The addition of grain to Molasses diets decreased urinary N excretion and increased ammonia and volatile fatty acid (VFA) concentrations in tureen fluid. Molar proportions of propionic acid in total VFA increased from 0.15 to 0.20, and butyric acid decreased from 0.36 to 0.29 when 33% of the Molasses was replaced by sorghum grain. The fat content (depth at sacral position) of the carcasses of steers given grain only (diet D) was significantly greater (14 mm) than that of steers given the basal diet of Molasses (4 mm), and carcass fat contents were intermediate (10 and 11 mm) for steers given diets B and C respectively. It was concluded that the inclusion of small amounts of grain in Molasses-based diets increased cattle growth principally by increasing digestible energy intake without decreasing Molasses intake, thus improving the efficiency of utilization of Molasses in Molasses-based diets.
Stavros Kalogiannis - One of the best experts on this subject based on the ideXlab platform.
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optimization of xanthan gum production by xanthomonas campestris grown in Molasses
Process Biochemistry, 2003Co-Authors: Stavros Kalogiannis, Gesthimani Iakovidou, M Liakopouloukyriakides, Dimitrios A Kyriakidis, George N SkaracisAbstract:Xanthan gum production by Xanthomonas campestris ATCC 1395 using sugar beet Molasses as carbon source was studied. The pre-treatment of sugar beet Molasses and the supplementation of the medium were investigated in order to improve xanthan gum production. Addition of K2HPO4 to the medium had a significant positive effect on both xanthan gum and biomass production. The medium was subsequently optimized with regard to Molasses, K2HPO4 concentration and initial pH. Maximum xanthan gum production (53 g/l) was observed after 24 h at 175 g/l Molasses, 4 g/l K2HPO4 and at neutral initial pH. Results indicate that K2HPO4 serves as a buffering agent as well as a nutrient for the growth of X. campestris. Sugar beet Molasses appears to be a suitable industrial substrate for xanthan gum fermentations.
H. Peiris - One of the best experts on this subject based on the ideXlab platform.
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Substitution of sorghum grain for Molasses increases the liveweight gain of steers given Molasses-based diets
The Journal of Agricultural Science, 1998Co-Authors: H. Peiris, R. Elliott, B. W. NortonAbstract:Sorghum grain was included in a basal diet of Molasses (Molasses 505, urea 21, sunflower meal 191, pangola grass hay 250, minerals 31 g/kg as fed) at rates of 0, 202, 391 and 707 g/kg, generating diets in which grain replaced 0 (diet A), 33 (diet B), 66 (diet C) and 100% (diet D) of the Molasses and hay. The four diets were fed to groups of four Hereford steers (293-334 kg liveweight) over a 96-day period. One half of each treatment group was implanted with a growth promotant (zeranol), and all were slaughtered at a commercial abattoir at the end of the trial. The inclusion of 33% grain increased voluntary feed consumption, digestible dry matter (DM) intake (from 57.6 to 82.0)g digestible DM/kg per day and significantly increased liveweight gain from 592 to 900 g/day. Zeranol implantation also increased liveweight gain but not feed intake. Steers given only grain (diet D) had the highest liveweight gains (1127 g/day). The addition of grain to Molasses diets decreased urinary N excretion and increased ammonia and volatile fatty acid (VFA) concentrations in tureen fluid. Molar proportions of propionic acid in total VFA increased from 0.15 to 0.20, and butyric acid decreased from 0.36 to 0.29 when 33% of the Molasses was replaced by sorghum grain. The fat content (depth at sacral position) of the carcasses of steers given grain only (diet D) was significantly greater (14 mm) than that of steers given the basal diet of Molasses (4 mm), and carcass fat contents were intermediate (10 and 11 mm) for steers given diets B and C respectively. It was concluded that the inclusion of small amounts of grain in Molasses-based diets increased cattle growth principally by increasing digestible energy intake without decreasing Molasses intake, thus improving the efficiency of utilization of Molasses in Molasses-based diets.
William O.s. Doherty - One of the best experts on this subject based on the ideXlab platform.
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Conversion of Sugar Cane Molasses to 5-Hydroxymethylfurfural Using Molasses and Bagasse-Derived Catalysts
ACS Sustainable Chemistry & Engineering, 2018Co-Authors: Joshua Howard, Darryn W. Rackemann, John P. Bartley, Chiara Samorì, William O.s. DohertyAbstract:5-hydroxymethylfurfural (HMF) is a suitable platform chemical for the production of useful chemicals and fuels. This study examined the hydrolysis of mixtures of sucrose, glucose and fructose (synthetic sugar cane Molasses) and industrial Molasses using sulfonated carbon-based heterogeneous catalysts derived from sugar cane bagasse (B-SO3H) and sugar cane Molasses (M-SO3H). Microwave heating at 150 °C for 4 h produced 39 mol % HMF yield with B-SO3H on the synthetic sugar solution. The addition of a Molasses pretreatment step, as well as, increasing the microwave power was necessary to achieve similar HMF yields with the industrial Molasses sample. The hydrolysis of Molasses pretreated with formic acid or HCl resulted in a slightly higher HMF yield than the hydrolysis of Molasses pretreated with H2SO4. The buffering capacity of the formic acid pretreated Molasses was lowered through dilution with water; and subsequently HMF yield was increased to 64.3 mol % (170 °C, 3 h).
