extraction of lipids from foods and biological materials

... patterns, the means and standard deviations of the intensity values and the x and y intensity derivatives were extracted One of the contributions of this work is the convincing explanation of the motivation ... text extraction in images and videos We formally define the problem and the scope of study in the next section 1.1 Problem Description and Scope of Study Given an image or a video, the goal of ... text and background, and the mean and variance of the distances between these transitions Because this method makes extensive use of heuristic rules and threshold values for analyzing the candidate...

Ngày tải lên: 12/09/2015, 11:24

... Samples 3.1 Extraction of anthocyanins and subsequent hydrolysis of ISP residues The analysis of variance (ANOVA) for the main and interaction effects of solvent type, extraction temperature and solid ... optimal temperature of 65 ◦ C and activity of 900 AGU/g protein An amyloglucosidase unit, AGU, is the amount of enzyme able to hydrolyze ␮mol of maltose per minute at 37 ◦ C and a pH of 4.3 Ethanol ... of extraction treatment combinations on response variables key to the extraction and hydrolysis processes Assessment of statistical significance was made at an ˛ value of 0.05 2.4 Extraction of...

Ngày tải lên: 05/05/2014, 08:39

... step of mass loss Journal of Analytical and Applied Pyrolysis, 88, 151–165 Morán, J I., Alvarez, V A., Cyras, V P., & Vazquez, A (2008) Extraction of cellulose and preparation of nanocellulose from ... the absence of these bands indicates that most of the lignin was removed So in RH cellulose the extraction procedures removed most of lignin polymers because of the disappearance of the lignin-associated ... silicon carbide whiskers from RH (Sujiroti & Leangsuwan, 2003) and of cellulose whiskers from rice straws (Orts et al., 2005) So, the fractionation of lignocellulosic materials of rice husks into its...

Ngày tải lên: 08/10/2014, 06:05

... ANALYSIS OF VIET PHU FOODS AND FISH CORPORATION 28 2.1 Overview of fishery, difficulties and challenges: 28 2.2 Overview of VIET PHU FOODS AND FISH CORPORATION 31 2.2.1 History and ... provide 35% of materials and 25% materials buy from farmers VIET PHU & FISH FOODS CORP equipped with laboratory equipment and testing machines to test samples for the daily production process from input ... structure and business situation in recent years Then carry out the analysis of internal factors to draw strengths and weaknesses of the company, the micro and macro of factors impact on industry and...

Ngày tải lên: 26/03/2015, 11:05

... the extraction of bioflocculants from activated sludge, followed by steaming extraction SDS and washing extraction methods were ineffective because of low flocculating activity, and low yield and ... components of the polymers, and examined flocculating properties in an effort to develop an effective extraction method for bioflocculants from the microbial cell surface Materials and Methods ... Results and Discussion Yields and chemical components - 148 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 Table Yields and Chemical Components of Polymers Extracted from Activated...

Ngày tải lên: 05/09/2013, 09:08

... Structure of ketoprofen 36 Stereochemistry of ketoprofen 37 Synthesis of ketoprofen starting from (3-carboxy-phenyl)-2-propionitrile .39 Synthesis of ketoprofen starting from 2-(4-aminophenyl)-propionic ... spectrum of ketoprofen 44 Nuclear magnetic resonance spectrum of ketoprofen 44 Metabolism of ketoprofen 55 Figure 3.1 Typical chromatogram of a standard solution of ketoprofen ... of ketoprofen .85 Effect of temperature on the diffusion profile of ketoprofen 86 Effect of mass on the diffusion profile of ketoprofen 87 Diffusion profiles of proprietary products (n...

Ngày tải lên: 13/04/2014, 09:25

... volume of solvent as minimum volume for extraction of curcumin from turmeric Fig 1D shows the effect of pre-macerating time on the dissolving of curcumin in 80% ethanol Dissolution of curcumin from ... demethoxycurcumin and curcumin, respectively B: Extraction of curcumin from turmeric with different concentrations of ethanol C: Absorbance of the solvent by turmeric powder D: Effect of macerating ... Conditions for the extraction of curcumin from turmeric A: Identification of curcumin peak in HPLC spectrum of extracted sample by co-injection test with standard compound Three peaks from left to right...

Ngày tải lên: 01/07/2014, 13:23

... 3.1.5 Comparison of the results of extraction with MAE and other methods Other extraction procedures (conventional heating reflux extraction method, ultrasoundassisted extraction and extraction at ... (82.46 %) of MAE for minutes radiation (18 total time of extraction) higher than that of ultrasound-assisted extraction in 60 minutes, conventional heating reflex extraction in 60 minutes and extraction ... material/ solvent ratio from 1:4 to 1:6, afterward, yield of extraction was slightly decreased, from 19.36 to 18.10 with ratio increased from 1:6 to 1:8, then increased, from 18.10 to 21.06 with...

Ngày tải lên: 22/07/2014, 10:21

... awareness of the occurrence of the crown -of- thorns starfish, and of its adverse impact on hard corals of the GBR, grew dramatically in the late 1960s and early 1970s The then Premier of Queensland and ... not one class of coral reef, and its diversity of form and function has contributed to both its biological diversity and its aesthetic appeal Significantly, from the point of view of wise human ... of the overlapping Federal and Queensland powers in the region from mainland to reefs, and from islands to reefs, a GBR Ministerial Council was established to exercise the necessary balance of...

Ngày tải lên: 12/08/2014, 05:21

... fly-by of the GBR from south to north Note the changing width of the continental shelf and the successions of areas of high and low reef density © 2001 by CRC Press LLC 18 Oceanographic Processes of ... direct impact of increased sediment and nutrient pulses from land use; nevertheless they may still be impacted indirectly Cappo and Kelley (Chapter 11, this book) describe examples of the landscape ... interconnections of biotopes to demonstrate the biological and energetic pathways essential to the integrity of the GBR as an ecosystem Clear gradients and links are shown between biotopes, from offshore...

Ngày tải lên: 12/08/2014, 05:21

... Whitely, L.A 1992 Provisional Handbook for the Classification and Field Assessment of Queensland Wetlands and Deep Water Habitats Queensland Department of Environment and Heritage, Townsville © 2001 ... Effects of Land Use, University of Central Queensland, Rockhampton, 26–28 April, 1995 Department of Natural Resources, Queensland, Brisbane Hunter, H.M & Walton, R.S 1997 From Land to Lagoon: Land ... Soil and nutrient movements from rural lands of North Queensland pp 67–76 in Yellowlees, D (ed) Land Use Patterns and Nutrient Loading of the Great Barrier Reef Region James Cook University of...

Ngày tải lên: 12/08/2014, 05:21

... tip of Cape York and Fraser Island (Figure 1, Table 1) A variety of vegetation types and land uses occur in these basins In areas of high rainfall, particularly between 15 and 18°S, rainforest and ... to educate land users and develop a community-based land conservation ethos that ultimately benefits the land, land users, and ecosystems of the GBRWHA © 2001 by CRC Press LLC Runoff of Terrestrial ... coasts of Queensland Proceedings of the Australian Society of Sugar Cane Technologists 77 –84 Prove, B.G & Hicks, W.H 1992 Soil and nutrient movements from rural lands of North Queensland pp...

Ngày tải lên: 12/08/2014, 05:21

... account of the fauna and flora of mangrove swamps and forests in the Indo-Pacific region Advances Marine Biology 6, 73–270 Madsen, T.V & Sand-Jensen, K 1994 The interactive effects of light and inorganic ... structure and biomass distribution of seagrasses and macrofauna in the Flores Sea, Indonesia Netherlands Journal Sea Research 23, 197–214 Olesen, B 1996 Regulation of light attenuation and eelgrass ... to recover within a month of exposure The effects of sedimentation on growth and productivity of coral reefs may be manifested at the levels of the colony, population, and community Sedimentation...

Ngày tải lên: 12/08/2014, 05:21

... LLC Causes of Coral Reef Degradation a 123 FIGURE Photographs of inshore and offshore reefs of the GBR, showing differences in both area and amount of algae, and algal overgrowth of corals (a) ... FIGURE Bathymetric chart of central GBR area used in Animation The area shown is north of Townsville, and includes the Palm Islands, Hinchinbrook Island, and Goold and Brook Islands The view is vertically ... eutrophication and disturbances on coral and algal trajectories Matrix of community trajectories for combinations of circumstances from oligotrophic to eutrophic (left to right), and from no disturbances...

Ngày tải lên: 12/08/2014, 05:21

... generic richness both of zooxanthellate and azooxanthellate soft corals is depressed in areas of reduced water clarity, one of the consequences of terrestrial runoff of nutrients and soils (Rogers ... patterns of soft and hard coral cover; it was again unrelated to sedimentation and visibility (Figures 10 and 11) The relationship between site-specific soft coral richness and soft and hard ... hard coral cover, and the proportion of soft corals of the total coral cover (soft coral plus hard coral cover) FIGURE 11 Soft coral cover, hard coral cover, and the proportion of soft corals to...

Ngày tải lên: 12/08/2014, 05:21

... 146 Oceanographic Processes of Coral Reefs The unpredictable nature of rainfall and runoff events, and the unsteadiness and patchiness of the resulting plume intrusions in a complex ... spatial and temporal summary risk assessment of river plumes in the central section of the GBR Here, data from the field and some of the model simulations are presented to demonstrate some of the ... time, though they had advected the plume and the 30-ppt contour almost 200 km from the mouth of the river to surround the continental islands of Cleveland Bay and Halifax Bay Animation shows that...

Ngày tải lên: 12/08/2014, 05:21

... holes and overlain by a veneer of carbonate sediment These “natural isolates” and “megabenthos gardens” (see Figures 1, 5, and 6) of biological origin form “islands of hard substrata in a sea of ... zone of diversity, production, confusion, and conflict in the forces of nature, culture, and law Lowlands bearing freshwater lagoons and swamps, salt-flats, marshes, and mangroves are buffered from ... health and integrity of the GBR system, to be catchments and coastal floodplains, estuaries and bays, shallow and deepwater seagrass beds, lagoonal and inter-reef “gardens and isolates” of megabenthos,...

Ngày tải lên: 12/08/2014, 05:21

... biodiversity and environment of this unique area From a stock assessment point of view, the important parameters for models of the fishery shift from maximum sustainable yield (MSY) to considerations of ... only increases between factors of 1.5 and needed, with the special exception of the biomass of autotrophs and fish herbivores, which were increased by a factor of 100 and 8, respectively (see the ... S.J.M., & Brewer, D.T 1992 Diets of sharks from estuaries and adjacent waters of the north-eastern Gulf of Carpentaria, Australia Australian Journal of Marine and Freshwater Research 43, 87 –96...

Ngày tải lên: 12/08/2014, 05:21

... Oceanographic Processes of Coral Reefs Willis & Oliver, 1990), headlands (Alldredge & Hamner, 1980; Murdoch, 1989), and islands (Hernandez-Leon, 1991) Also, Sammarco and Andrews (1988 and 1989) found ... proportioning of abundance among species (JЈ ϭ 0.66 and 0.69) Detailed scrutiny of catch rate data for each of the key taxa illustrates the consistency of spatial and temporal patterns The distribution of ... clearly shows an area of divergence and reduced flow near station 1; a large region of reduced flow along the reef face surrounding stations 5, and 7; and a narrow band of still water immediately...

Ngày tải lên: 12/08/2014, 05:21

... Ϫ1 southward current of about 0.15 to 0.2 m s at both inshore and offshore ends of the region of high reef density (sites A and D) During that time calm weather prevailed and the wind-driven currents ... deflected offshore or inshore and largely flowed around, instead of through, the reef matrix The model was run for two tidal regimes, a neap tide of m and a spring tide of m (Animations and 4, respectively) ... these animations is the evidence of topographic steering of both the tidal and mean currents At neap tides, tidal and mean currents are of similar magnitude and the currents are able to filter...

Ngày tải lên: 12/08/2014, 05:21