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- Keyword
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- ANIMAL CO-PRODUCTS (1)
- Bacillus licheniformis ZJUEL31410 (1)
- Biodiesel (1)
- Box-Behnken design (1)
- Crude cottonseed oil (1)
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- Culture medium (1)
- Feather degradation (1)
- Food Science (1)
- GEOBACILLUS STEAROTHERMOPHILUS (1)
- Hand hygiene (1)
- Handwashing (1)
- Keratinase (1)
- Optimization (1)
- RENDERING (1)
- Response surface methodology (RSM) (1)
- Saudi students (1)
- Scanning electron microscopy (1)
- THERMAL DESTRUCTION (1)
- Transesterification (1)
- Publication
- Publication Type
Articles 1 - 4 of 4
Full-Text Articles in Food Science
Use Of The Health Belief Model To Assess Hand Hygiene Knowledge, Perceptions, And Practices Of Saudi Students Studying In The U.S., Najla Khateeb
Use Of The Health Belief Model To Assess Hand Hygiene Knowledge, Perceptions, And Practices Of Saudi Students Studying In The U.S., Najla Khateeb
All Theses
Many factors influence hygiene but those that have the greatest impact vary widely across population groups. Our aim was to characterize hand hygiene practices of Saudi students studying in the U.S. by completing two objectives: (1) assess hand hygiene knowledge, perceptions, and practices of Saudi students studying in the U.S. and (2) determine the relationship among knowledge, perceptions, and practices.
A modified version of the Health Belief Model was the theoretical framework to characterize hand hygiene practices. A web-based instrument was posted to the ¬DSaudis Studying in USAÁÂ Facebook page. The instrument was prepared in English then translated into Arabic. …
Thermal Destruction Of Geobacillus Stearothermophilus In Rendered Animal Co-Products, Yubo Zhang
Thermal Destruction Of Geobacillus Stearothermophilus In Rendered Animal Co-Products, Yubo Zhang
All Theses
The non-pathogenic, heat stabile organism Geobacillus stearothermophilus was used during thermal death time testing of rendered poultry materials from three different rendering plants. G. stearothermophilus is an endospore–forming, Gram positive, thermophilic bacterium that is commonly used in the canning industry. A modification of the method of Kim and Naylor (1966) was used to prepare a G. stearothermophilus spore suspension. Uninoculated and inoculated rendering samples containing 50% fat and rendered crax were prepared. Lecithin and 2,3,5–triphenyl–2H–tetrazolium chloride (TTC) were used during sample enumeration to emulsify the high fat samples and to aid in detection of colonies, respectively. Commercial rendering cookers are …
Improved Keratinase Production For Feather Degradation By Bacillus Licheniformis Zjuel31410 In Submerged Cultivation, Hui Ni, Qi-He Chen, Feng Chen, Ming-Liang Fu, Ya-Chen Dong, Hui-Nong Cai
Improved Keratinase Production For Feather Degradation By Bacillus Licheniformis Zjuel31410 In Submerged Cultivation, Hui Ni, Qi-He Chen, Feng Chen, Ming-Liang Fu, Ya-Chen Dong, Hui-Nong Cai
Publications
Optimal medium was used to improve the production of keratinase by Bacillus licheniformis ZJUEL31410, which has a promising application in the transformation of feather into soluble protein. The results of single factor design revealed that the concentration of feather at 20 g/l and the initial pH at value 8 was the best for the production of keratinase and the degradation of feather. Ammonia salt and nitrate salt strongly restricted the production of keratinase and the degradation of feather. Result of Box-Behnken design (BBD) experiment which was used to optimize concentrations of glucose, corn steep flour and K2HPO4 …
Biodiesel Production From Crude Cottonseed Oil: An Optimization Process Using Response Surface Methodology, Xiaohu Fan, Xi Wang, Feng Chen
Biodiesel Production From Crude Cottonseed Oil: An Optimization Process Using Response Surface Methodology, Xiaohu Fan, Xi Wang, Feng Chen
Publications
Biodiesel, known as fatty acid methyl ester (FAME), was produced from crude cottonseed oil (triglycerides) by transesterification with methanol in the presence of sodium hydroxide. This process was optimized by applying factorial design and response surface methodology (RSM) with SAS and PSIPLOT programs. A second-order mathematical model was obtained to predict the yield as a function of methanol/oil molar ratio, catalyst concentration, reaction temperature, and rate of mixing. Based on ridge max analysis and RSM, as well as economic cost consideration, the practical optimal condition for the production of biodiesel was found to be: methanol/oil molar ratio, 7.9; temperature, 53 …