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Dilawar Farhan Shams, Alexandre Rubio, Panagiotis Elefsiniotis, Naresh Singhal
Nitrate concentration in the final effluent is a key issue in pre-denitrification biological treatment systems. This study investigated post-denitrification with alginate beads containing immobilized activated sludge microorganisms and organic carbon source. A batch study was first performed to identify suitable carbon sources among acetate, glucose, calcium tartrate, starch and canola oil on the basis of nitrate removal and bead stability. Canola oil and starch beads exhibited significantly higher denitrification rates, greater bead stability and lower nitrite accumulation (6 mg/L and 10 mg/L, respectively)...
October 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Yongsoon Park
A healthy lifestyle is important in CVD prevention and treatment through effects on modifiable CVD risk factors, particularly blood pressure. Although the major drawback is the low level of adherence over time, appropriate lifestyle changes may safely and effectively prevent and treat hypertension. The recommended dietary approaches that have been shown to be capable of reducing blood pressure are: salt restriction, moderation of alcohol consumption, high consumption of vegetables and fruits and low-fat and other types of diet, and weight reduction...
September 2016: Journal of Hypertension
Christoph H Saely, Heinz Drexel
Proprotein Convertase Subtilisin/Kexin 9 (PCSK9) plays an important role in the regulation of blood cholesterol levels, and inhibition of PCSK9 with monoclonal antibodies reduces LDL cholesterol by more than 50% over and above what can be achieved with statins or ezetimibe alone. Diet and exercise influence PCSK9 levels; however data on this issue are scarce. Regarding diet, a high oleic canola/docosahexaenoic acid oil blend, marine n-3 polyunsaturated fatty acids, vegetable n-6 polyunsaturated fatty acids, a Mediterranean style diet and acute fasting, but not necessarily weight reduction are associated with low PCSK9 concentrations, whereas a high fructose diet is associated with high PCSK9 concentrations...
October 13, 2016: Vascular Pharmacology
J Mulinari, B Venturin, M Sbardelotto, A Dall Agnol, T Scapini, A F Camargo, D P Baldissarelli, T A Modkovski, V Rossetto, C Dalla Rosa, F W Reichert, S M Golunski, I Vieitez, G D L P Vargas, C Dalla Rosa, A J Mossi, H Treichel
This study aimed to evaluate the waste cooking oil (WCO) hydrolysis in ultrasonic system using lipase as catalyst. Lipase was produced by the fungus Aspergillus niger via solid state fermentation (SSF) using canola meal as substrate. Prior to the hydrolysis reaction, the lipase behavior when subjected to ultrasound was evaluated by varying the temperature of the ultrasonic bath, the exposure time and the equipment power. Having optimized the treatment on ultrasound, the WCO hydrolysis reaction was carried out by evaluating the oil:water ratio and the lipase concentration...
October 8, 2016: Ultrasonics Sonochemistry
Mustafa Kiralan, Mohamed Fawzy Ramadan
The goal of this study was to investigate the effect of heating and microwave treatment on the levels of volatile oxidation products and the stability of safflower (Carthamus tinctorius L.), sesame (Sesamum indicum) and canola (Brassica napus L.) cold-pressed oils. Cold-pressed oils were subjected to conventional heating (oven test) using air-forced oven at 60°C and microwave heating for 2 and 4 min. The changes in conjugated diene (CD) and conjugated triene (CT) values were monitored during treatments. As expected, heating generates an increase in CD and CT values...
2016: Journal of Oleo Science
Meizhen Xie, Nurhan Turgut Dunford
This study investigated the polar lipid composition and emulsifying properties of canola lecithin from enzymatic degumming (CLED). Phospholipase A1 was used for enzymatic degumming of crude canola oil to collect lecithin sample. Canola lecithin from water degumming (CLWD) was also collected and served as the control. The results showed that the contents of phosphatidylethanolamine (PE) (2.99%) and phosphatidylcholine (PC) (6.59%) in CLED were significantly lower than that in CLWD (PE 15.55% and PC 21.93%); while the content of lysophosphatidylcholine (LPC) (19...
March 1, 2017: Food Chemistry
Nidhi Shah, Natasha Klaponski, Carrie Selin, Rachel Rudney, W G Dilantha Fernando, Mark F Belmonte, Teresa R de Kievit
In vitro inhibition of the fungal pathogen Sclerotinia sclerotiorum by Pseudomonas chlororaphis PA23 is reliant upon a LysR-type transcriptional regulator (LTTR) called PtrA. In the current study, we show that Sclerotinia stem rot and leaf infection are significantly increased in canola plants inoculated with the ptrA-mutant compared to the wild type, establishing PtrA as an essential regulator of PA23 biocontrol. LTTRs typically regulate targets that are upstream of and divergently transcribed from the LTTR locus...
2016: Frontiers in Microbiology
Brian J Johnson, Tim Hurst, Hung Luu Quoc, Isik Unlu, Christopher Freebairn, Ary Faraji, Scott A Ritchie
We report on the use of the Gravid Aedes Trap (GAT) as a surveillance device for Aedes albopictus (Skuse) relative to the BG-Sentinel (BGS) trap in field studies conducted in Trenton, NJ, and on Hammond Island, Queensland, Australia. A parallel study conducted in Nha Trang, Vietnam, assessed the use of the GAT as an indoor surveillance device as well as the use of canola oil as a noninsecticide killing agent. In Trenton and Hammond Island, the GAT collected fewer male (0.40 ± 0.12 and 0.43 ± 0.30, respectively) and female (3...
October 5, 2016: Journal of Medical Entomology
Safoura Pirestani, Ali Nasirpour, Javad Keramat, Stéphane Desobry
The aim of this study was to produce covalently attached conjugate between canola protein isolate (CPI) and gum Arabic (GA) in aqueous solutions via the Maillard reaction at 90°C in a model system consisting of 2% CPI and 1, 2 or 4% GA. Upon decreasing of free amino group content in the glycosylated CPI to 72%, a new band near the loading end of sodium dodecyl sulfate-polyacrylamide gel electrophoresis and a shift of CPI peak in high performance size exclusion chromatography confirmed that the covalent attachment of CPI to GA was successful...
January 2, 2017: Carbohydrate Polymers
Siauw H Ng, Yu Shi, Nicole E Heshka, Yi Zhang, Edward Little
The work is based on a reported study which investigates the processability of canola oil (bio-feed) in the presence of bitumen-derived heavy gas oil (HGO) for production of transportation fuels through a fluid catalytic cracking (FCC) route. Cracking experiments are performed with a fully automated reaction unit at a fixed weight hourly space velocity (WHSV) of 8 hr(-1), 490-530 °C, and catalyst/oil ratios of 4-12 g/g. When a feed is in contact with catalyst in the fluid-bed reactor, cracking takes place generating gaseous, liquid, and solid products...
2016: Journal of Visualized Experiments: JoVE
Yaofeng Zhang, Dongqing Zhang, Huasheng Yu, Baogang Lin, Ying Fu, Shuijin Hua
In Brassica napus, floral development is a decisive factor in silique formation, and it is influenced by many cultivation practices including planting date. However, the effect of planting date on floral initiation in canola is poorly understood at present. A field experiment was conducted using a split plot design, in which three planting dates (early, 15 September, middle, 1 October, and late, 15 October) served as main plot and five varieties differing in maturity (1358, J22, Zhongshuang 11, Zheshuang 8, and Zheyou 50) employed as subplot...
2016: Frontiers in Plant Science
Timothy Schwinghamer, Alfred Souleimanov, Pierre Dutilleul, Donald L Smith
The objective of this experiment was to assess whether or not the application of lipo-chitooligosaccharide (Nod Bj V [C18:1, MeFuc]) (LCO) would increase yield factors under conditions that would inhibit canola (Brassica napus L.) productivity. The seed application reduced the percentage of plants that were unproductive by 15.10% compared to plants grown from untreated seeds. Based on the 95% confidence interval for the difference, untreated plants would produce 38 to 3% fewer seeds than plants grown from LCO treated seeds...
September 23, 2016: Plant Signaling & Behavior
Lorenzo Rossi, Weilan Zhang, Leonardo Lombardini, Xingmao Ma
Dwindling high quality water resources and growing population are forcing growers to irrigate crops with water of high salinity. It is well recognized that salinity negatively affects plant physiology and biochemistry, and represents one of the most serious threats to crop production and food security. Meanwhile, engineered nanoparticles (ENPs) are increasingly detected in irrigation water and agricultural soils due to the rapid advancement of nanotechnology. Previous research has demonstrated that ENPs such as cerium oxide nanoparticles (CeO2-NPs) exert significant impact on plant growth and production...
September 20, 2016: Environmental Pollution
Reza Salehi, Marcos German Colazo, Stephen Tsoi, Amir Behrouzi, Benjamin K Tsang, Michael K Dyck, Masahito Oba, Divakar Justus Ambrose
The main objectives were to determine the influence of diets enriched in α-linolenic, linoleic or oleic acid on the development and transcriptomic profile of embryos collected from dairy cattle. Non-lactating Holstein cows received one of three diets supplemented with 8% rolled oilseeds: flax (FLX, n=8), sunflower (SUN, n=7) or canola (CAN, n=8). After a minimum 35-day diet adaptation, cows were superovulated, artificially inseminated and ova/embryos recovered non-surgically 7.5 days later. Cows fed FLX had less degenerated embryos and more viable embryos than those fed CAN or SUN...
September 20, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
Yongsoon Park
A healthy lifestyle is important in CVD prevention and treatment through effects on modifiable CVD risk factors, particularly blood pressure. Although the major drawback is the low level of adherence over time, appropriate lifestyle changes may safely and effectively prevent and treat hypertension. The recommended dietary approaches that have been shown to be capable of reducing blood pressure are: salt restriction, moderation of alcohol consumption, high consumption of vegetables and fruits and low-fat and other types of diet, and weight reduction...
September 2016: Journal of Hypertension
Glen A Broderick, Stefania Colombini, Sara Costa, Mehmet A Karsli, Antonio P Faciola
To test the effects of year and processing plant on the nutritional value of canola meal (CM), 3 CM samples/yr were collected from each of 12 Canadian production plants over 4yr (total=144). Samples of CM were analyzed for differences in chemical composition and for in vitro ruminal protein degradability using the Michaelis-Menten inhibitor in vitro (MMIIV) method. In the MMIIV method, protein degradation rate (kd) was estimated by 2 methods: from net release (i.e., blank corrected) of (1) ammonia plus AA determined by o-phthaldialdehyde fluorescence (OPAF) assay or (2) ammonia, AA, plus oligopeptides determined by o-phthaldialdehyde absorbance (OPAA) assay; rumen-undegradable protein (RUP) was computed assuming passage rates of 0...
October 2016: Journal of Dairy Science
Suneru P Perera, Tara C McIntosh, Janitha P D Wanasundara
The two major storage proteins identified in Brassica napus (canola) were isolated and studied for their molecular composition, structural characteristics and the responses of structural features to the changes in pH and temperature. Cruciferin, a complex of six monomers, has a predominantly β-sheet-containing secondary structure. This protein showed low pH unstable tertiary structure, and distinctly different solubility behaviour with pH when intact in the seed cellular matrix. Cruciferin structure unfolds at pH 3 even at ambient temperature...
September 7, 2016: Plants (Basel, Switzerland)
Kyu-Min Cha, Eun-Sil Lee, Il-Woung Kim, Hyun-Ki Cho, Ji-Hoon Ryu, Si-Kwan Kim
BACKGROUND: We previously reported that two-phase partition chromatography between ginseng water extract and soybean oil efficiently eliminated pesticide residues. However, an undesirable odor and an unpalatable taste unique to soybean oil were two major disadvantages of the method. This study was carried out to find an alternative vegetable oil that is cost effective, labor effective, and efficient without leaving an undesirable taste and smell. METHODS: We employed six vegetable oils that were available at a grocery store...
July 2016: Journal of Ginseng Research
Shengqian Xia, Zhixin Wang, Haiyan Zhang, Kaining Hu, Zhiqiang Zhang, Maomao Qin, Xiaoling Dun, Bin Yi, Jing Wen, Chaozhi Ma, Jinxiong Shen, Tingdong Fu, Jinxing Tu
Chimeric genes contribute to the evolution of diverse functions in plants and animals. However, new chimeric genes also increase the risk of developmental defects. Here, we show that the chimeric gene Brassica napus male sterile 4 (Bnams4b) is responsible for genic male sterility in the widely used canola line 7365A (Bnams3 ms3ms4bms4b). Bnams4b originated via exon shuffling ~4.6 Mya. It causes defects in the normal functions of plastids and induces aborted anther formation and/or albino leaves and buds. Evidence of the age of the mutation, its tissue expression pattern, and its sub-localization indicated that it coevolved with BnaC9...
August 24, 2016: Plant Cell
Nicholas J Larkan, Harsh Raman, Derek J Lydiate, Stephen J Robinson, Fengqun Yu, Denise M Barbulescu, Rosy Raman, David J Luckett, Wayne Burton, Neil Wratten, Philip A Salisbury, S Roger Rimmer, M Hossein Borhan
BACKGROUND: Resistance to the blackleg disease of Brassica napus (canola/oilseed rape), caused by the hemibiotrophic fungal pathogen Leptosphaeria maculans, is determined by both race-specific resistance (R) genes and quantitative resistance loci (QTL), or adult-plant resistance (APR). While the introgression of R genes into breeding material is relatively simple, QTL are often detected sporadically, making them harder to capture in breeding programs. For the effective deployment of APR in crop varieties, resistance QTL need to have a reliable influence on phenotype in multiple environments and be well defined genetically to enable marker-assisted selection (MAS)...
2016: BMC Plant Biology
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