addition of small molecule emulsifiers to a protein stabilized emulsion

Food emulsions, fourth edition

Food emulsions, fourth edition

... although the presence of pectin in emulsions can also lead to phase separation (53) Caseinate emulsions can also be stabilized against acidification by the presence of k-carrageenan, which may ... place are not efficient at stabilizing the foam Equally, fat globule membranes that are too viscoelastic are too tough to permit the breakage essential for partial coalescence to occur Not all ... b-casein appears to be the best displacing agent, but it is not always capable of displacing an already adsorbed protein It can displace as1-casein or a- lactalbumin from an interface (12,158),...

Ngày tải lên: 23/05/2014, 11:36

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Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine

Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine

... percentage of unsaturation, maximum heat release rate and peak pressure for karanjia biodiesel Biodiesel of karanjia has a lower percentage of unsaturation and has a higher value of maximum heat ... fuel Maximum gas pressure and exhaust gas temperature was observed in case of high unsaturated biodiesel Heat release rate and cumulative heat release rate is lower in case of high- unsaturated ... Director of Entrance Examinations, Anna University, Chennai He has published more than 40 international articles, 37 international conference papers, national journal papers, and 21 national conference...

Ngày tải lên: 05/09/2013, 15:28

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Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric

Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric

... extensibility enhances fabric hand [softness] and increased formability PLA showed a low linear extension implying a softer hand and a larger extension in the initial low load region of the load extension ... a lecturer at Ebonyi State University, Abakaliki, Ebonyi State E-mail address: idugoldengate@yahoo.com Nwachukwu A N is a doctoral research student in the University of Manchester, Manchester, ... the fabric This implies that PLA exhibited a higher degree of softness; flexibility and smoothness at heatsetting time of 60s and further heatsetting does not add value to the fabric Table Fabric...

Ngày tải lên: 05/09/2013, 16:10

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SULPHONIC ACID ESTERS

SULPHONIC ACID ESTERS

... mechanism is proposed [277] Table 6.7 Application of miscellaneous polysaccharide tosylates Polysaccharide derivative Application Reference Dextran tosylate Dextran tosylate Hemicellulose tosylate ... the carbon atom of the tosylated position C-6 can be found at 69.0 ppm Additionally, functionalisation of the secondary hydroxyl groups causes signals at 80.2 ppm It is important to note that an ... Detailed information about the functionalisation pattern of starch tosylates can be obtained by NMR spectroscopy of the peracylated polymers H NMR spectra of peracetylated starch tosylates are shown...

Ngày tải lên: 25/10/2013, 16:20

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Đề tài : Nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella ictaluri gây bệnh gan thận mủ trên cá tra pangasianodon hypophthanlmus

Đề tài : Nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella ictaluri gây bệnh gan thận mủ trên cá tra pangasianodon hypophthanlmus

... xúc tác bởi hai lọai enzyme: AHL lactonase AHL acylase Bên cạnh đó, enzyme acylase sinh vật bậc cao ức chế phân tử AHL (Xu et al., 2003)(Xu et al., 2003) a Enzyme AHL lactonase Dong cộng (2000) ... bao gồm: Inulin, fructoseoligosaccharide (FOS), transgalacto-oligosaccharide, lactulose (Mahious, 2005), isomalto-oligosaccharide (IMOS) (Li et al., 2009) Hiệu dinh dưỡng sức khỏe số oligosaccharide ... cá tra Pangasiidae Giống cá tra dầu Pangasianodon Loài cá tra Pangasianodon hypophthalmus (Sauvage 1878) 2.1.2 Phân bố Cá tra phân bố ở lưu vực sông Mê Kông, có mặt ở nước Lào, Việt Nam, Campuchia,...

Ngày tải lên: 27/04/2014, 17:03

89 1,2K 0
Alternative media for lactic acid production by lactobacillus delbrueckii NRRL b 445

Alternative media for lactic acid production by lactobacillus delbrueckii NRRL b 445

... experimental data were obtained in triplicate and mean values are given Linear and non-linear regression analyses of experimental data were performed using commercial software (Microsoft Excel ... immediately for various analyses Analytical Methods Glucose, lactic acid and acetic acid were determined by high performance liquid chromatography (HPLC) using a Transgenomic ION-300 column and an ... be obtained The Ep=„ is an adequate parameter to compare media from an economical point of view The parameter Ep= „ showed that it was more pro table to use a medium with 20 g l¡1 CSL than the...

Ngày tải lên: 05/05/2014, 08:44

7 330 0
An economical approach for d lactic acid production utilizing unpolished rice

An economical approach for d lactic acid production utilizing unpolished rice

... supplementation of small amount of yeast extract was necessary to avoid a limitation of essential growth factors for Lactobacillus delbrueckii HG 106 However, it was also necessary to optimize the dosage ... to increase the yield of D-lactic acid and transforming ratio of sugar into acid 3.3 Supplement of yeast extract provided necessary growth factors Yeast extract was demonstrated to be an excellent ... pyrimidine and B-vitamins for lactic acid bacteria (Nancib et al., 2005) Yeast extract was too expensive (accounted for about 38% of total medium cost) to hinder its use in large quantities in lactic acid...

Ngày tải lên: 05/05/2014, 08:44

6 344 0
Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria

Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria

... lactic acid is then further related to the total amount of lactic acid LaHtot and the pH by the lactic acid chemical equilibrium As explained above, the approach of Nicolaı et al is based ¨ on ... and derivatisation of the lactic acid present in the filtrate with methanol, lactic acid was measured through gas chromatographic analysis of the methyl ester (separation with a Delsi GC on a ... carbowax 20 M on chromosorb W-AW 80/ 100, detection with flame ionisation, peak integrator of Trivector) Analysis and adaptation of the model of Nicolaı ¨ et al (1993) Nicolaı et al (1993) have...

Ngày tải lên: 05/05/2014, 08:44

12 625 0
Báo cáo hóa học: " Superhydrophobic poly(L-lactic acid) surface as potential bacterial colonization substrate" pptx

Báo cáo hóa học: " Superhydrophobic poly(L-lactic acid) surface as potential bacterial colonization substrate" pptx

... Biomimetrics, AvePark, Zona Industrial da Gandra, S Cláudio Barco, 4860909 Caldas das Taipas, Guimarâeas, Portugal 3ICVS/3B’s - PT Government Associate Laboratory, Braga/Guimarâeas, Portugal Competing ... by both bacteria, a significant greater amount of P aeruginosa cells was found comparing to S aureus (Figure 1) As far as removal assays are concerned, it was observed that both bacteria did not ... incubated for 24 h at 37°C Bacteria removal assays Bacteria removal assays were performed to assess the “self-cleaning” character of both kinds of PLLA surfaces For that, the same experimental...

Ngày tải lên: 20/06/2014, 23:20

9 293 0
Probiotic potential of lactic acid bacteria isolated from chicken gastrointestinal digestive tract pot

Probiotic potential of lactic acid bacteria isolated from chicken gastrointestinal digestive tract pot

... G, Dofour E, Chevallier I (2006) Antibacterial activity of lactic acid bacteria against spoilage and pathogenic bacteria isolated from the same meat small- scale facility: Screening and characterization ... less toxic than DCA The tolerance to bile salts was initially associated with the presence of bile salt hydrolase activity (Moser and Savage 2001; Taranto et al 2006) In the small intestine of ... 2004) LAB, which are able to digest starch, protein and lipid, could enhance the health of aquatic animals (Austin et al 1995) Antibacterial activity The agar diffusion method was used to study antimicrobial...

Ngày tải lên: 07/07/2014, 19:20

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Báo cáo khoa học: "Isolation of cholesterol-lowering lactic acid bacteria from human intestine for probiotic use" ppsx

Báo cáo khoa học: "Isolation of cholesterol-lowering lactic acid bacteria from human intestine for probiotic use" ppsx

... Lactobacillus HJL-4 Lactobacillus HJL-20 Lactobacillus HJL-24 Lactobacillus HJL-25 Lactobacillus HJL-30 Lactobacillus HJL-32 Lactobacillus HJL-33 Lactobacillus HJL-34 Lactobacillus HJL-37 Lactobacillus ... isolates, Streptococcus and Lactobacillus, were aerobically incubated at 28oC for 24 hrs on MRS agar plates, and Bifidobacterium was anaerobically incubated at 35oC for 48 hrs on BL agar plate Bacteria ... inoculated into MRS broth (pH 3.0) as 30 µl volume, then anaerobically incubated at 37oC for hrs Bacteria were spread onto BL media to discriminate the survival of bacteria and anaerobically incubated...

Ngày tải lên: 07/08/2014, 18:20

5 562 2
Báo cáo y học: "Anti-inflammatory potential of a malleable matrix composed of fermented whey proteins and lactic acid bacteria in an atopic dermatitis model" pot

Báo cáo y học: "Anti-inflammatory potential of a malleable matrix composed of fermented whey proteins and lactic acid bacteria in an atopic dermatitis model" pot

... (Sigma-Aldrich Canada) was required at a concentration of 5% (w/v) in acetone to cause inflammation Animals CD-1 female mice were obtained from Charles River Laboratories (St-Constant, Qc, Canada) and were ... on Animal Care as specified in the Guide to the Care and Use of Experimental Animals (CISAU # 0306-01 and # 0410-01) Mouse atopic contact dermatitis (ACD) After a week adaptation in the animal ... immunomodulatory agent as well as to be an anti-inflammatory agent in the context of inflamma- JB design the animal studies, carried out the animal and other experiments, perform the statistical analysis...

Ngày tải lên: 11/08/2014, 08:21

10 417 0
nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella

nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella

... tín hiệu xúc tác hai lọai enzyme: AHL lactonase AHL acylase Bên cạnh đó, enzyme acylase sinh vật bậc cao ức chế phân tử AHL (Xu et al., 2003)(Xu et al., 2003) a Enzyme AHL lactonase Dong cộng (2000) ... tra Pangasiidae Giống cá tra dầu Pangasianodon Loài cá tra Pangasianodon hypophthalmus (Sauvage 1878) 2.1.2 Phân bố Cá tra phân bố lưu vực sông Mê Kông, có mặt nước Lào, Việt Nam, Campuchia, ... VTCC-B-804 Bacillus megaterium TSA or TSB VTCC-B-614 Lactobacillus plantarum MRSB, MRSA VTCC-B-701 Lactobacillus acidophilus MRSB, MRSA VTCC-B-871 Pediococcus acidilactici MRSB, MRSA VTCC-B-800 Saccharomyces...

Ngày tải lên: 21/11/2014, 03:59

96 674 1
Engineered poly(l lactic acid)   based nanofibers for osteogenic differentiation of human mesenchymal stem cells

Engineered poly(l lactic acid) based nanofibers for osteogenic differentiation of human mesenchymal stem cells

... PLLA nanofibers, ALP activity of passage was significantly higher than passage There was no significant difference in ALP activity between passage and passage 8, and ALP activity of these passages ... Liao, Casey K Chan and Seeram Ramakrishna Stem Cell Response to Biomaterial Topography In: Murugan Ramalingam, Seeram Ramakrishna and Serena Best, editors Biomaterials and Stem Cells in Regenerative ... between passage and passage The proliferation of the cells at passage and passage were significantly higher than passage and passage Comparing two groups of PLLA and TCPS, the cell proliferation...

Ngày tải lên: 09/09/2015, 10:07

272 258 0
Structure property relationship of crystalline poly(lactic acid)s DFT DFPT studies and applications

Structure property relationship of crystalline poly(lactic acid)s DFT DFPT studies and applications

... films of graft copolymers Table 6.1.4 Tensile data of PLLA and 90/10 PLA/PBA-g-PLA melt blends Table 6.1.5 Thermal Characteristics of PLLA and 90/10 PLA/PBA-g-PLA melt blends (Tg: Glass Transition ... usually rigid structural parameters, i.e bond lengths and bond angles (values taken from gas phase microwave structural analysis of small molecules) were assumed Torsion angles around the backbone ... (calculated at PBE /plane wave basis set cutoff 750 eV) Table 5.5 Calculated Born effective charges in four PLA crystals (PW91/plane wave basis set with cutoff 990 eV) Table 5.6 Calculated optical polarizabilities...

Ngày tải lên: 09/09/2015, 18:56

172 335 0
The roles of lactic acid bacteria in host inflammatory responses

The roles of lactic acid bacteria in host inflammatory responses

... signaling pathways that lead to proinflammatory cytokines production which thus activate inflammatory responses Mitogen-activated protein kinase (MAPK) and NFκB signaling pathways can be activated by ... factors, and MAP kinase inhibitors are targeting at various inflammatory cells and pathways (Baumgart and Sandborn, 2007) Besides the biochemicals that suppress inflammatory responses, clinical ... responding to proinflammatory cytokines (e.g IL-1β and TNF-α) and pathogens to further activate inflammation Therefore, suppression of proinflammatory cytokines and pathways such as MAPK and NF-κB can...

Ngày tải lên: 13/09/2015, 19:50

299 267 0
fermentation of mango juice by lactic acid bacteria

fermentation of mango juice by lactic acid bacteria

... evaluation Analyze the data with statistics program STATGRAPHICS Centurion XV RESULTS AND DISCUSSION 3.1 Isolation of lactic acid bacteria After several transfers in MRS agar medium and visual ... bacteria Objectives: Study on the conditions of mango juice fermentation by lactic acid bacteria 2 MATERIALS AND METHODS 2.1 Materials - Mango: Thanh Ca and Cat Chu - Six isolates of lactic acid ... order to take advantage of available fruit and contribute to the diversification of products from mango, this research was carried out in term for added value of fruit juice fermented by lactic acid...

Ngày tải lên: 06/10/2015, 12:57

29 366 0
fermentation of carrot juice by lactic acid bacteria

fermentation of carrot juice by lactic acid bacteria

... optical microscope All pure bacterial isolates were characterized by Gram staining, catalase, oxydase reaction and disintegration of CaCO3 2.2.2 Study on low pH tolerance of isolates Low pH tolerant ... the better storage conditions 2.2.8 Statistical data analysis The statistical data were analyzed by Microsoft Office Excel 2003 and Statgraphics centurion XV (USA) software RESULTS AND DISCUSSION ... system and reduction in risk of colon cancer (Yoon et al., 2004) Probiotic bacteria are increasingly used in food and pharmaceutical applications to balance disturbed intestinal microflora and related...

Ngày tải lên: 06/10/2015, 13:04

26 289 0
fermentation of dragon fruit juice by lactic acid bacteria

fermentation of dragon fruit juice by lactic acid bacteria

... isolated bacteria strains: - Bacteria strains isolated from Antibio and Probio powder were rod-shaped bacteria They had the same characteristics of Lactobacillus acidophilus, the bacteria in probiotic ... because they: - Are Gram-positive bacteria - Has no enzyme catalase - Are rod-shaped or streptococcus - Can grow on MRS medium 3.2 Acidity tolerant ability of LAB isolates According Guarner and ... products are not only used as food but also used for treating intestinal and stomach diseases because LAB can produce antibiotics to prevent and skill pathogenic bacteria and germs Also, LAB are widely...

Ngày tải lên: 06/10/2015, 13:04

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