Food emulsions, fourth edition
... at one time Evidence of time dependence is manifest in the formation of networks of adsorbed whey proteins on the surfaces of emulsion droplets as the emulsion is aged (24) The formation of disulfide ... than relative, results VI STRUCTURES OF THE ADSORBED LAYERS ON THE SURFACES OF EMULSION DROPLETS A Simple Surfactants The structures of the interfacial layers in emulsion droplets might be expected ... of the size distribution provides information on the efficiency of the emulsification process, and the monitoring of any changes in the size distribution as the emulsion ages gives information...
Ngày tải lên: 23/05/2014, 11:36
... numbers below 115 The index reflects the degree of unsaturation of the oil, i.e., the number of bonds available for oxygenation (the higher the iodine index, the higher the number of bonds suitable ... % of Premixed combustion % of Diffusion combustion Trend line of % of diffusion combustion Trend line of % of premixed combustion % of Premixed combustion 25 86 20 82 15 78 10 74 % of Diffusion ... be believed that the lean flame out region (LFOR) is one of the main contributors to the HC concentration in the exhaust LFOR is the region that is nearer to the leading edge of the spray (downwind)...
Ngày tải lên: 05/09/2013, 15:28
... Effect of time of heatsetting on the linearity of load extension in warp direction of knitted Ingeo™ Poly (lactic acid) fabric Figure Effect of time of heatsetting on the linearity of load extension ... Effect of time of heatsetting on the tensile Extension EM [%] in Weft direction of knitted Ingeo™ Poly (lactic acid) [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension ... Production cycle of Ingeo™ Cargill Dow developed a patented and minimal cost continuous process for the production of PLA polymer The process begins with the continuous condensation of lactic...
Ngày tải lên: 05/09/2013, 16:10
SULPHONIC ACID ESTERS
... DSMes of 0.10, while the DSMes of the insoluble part is 0.68 The structure of the reaction products of cross-linked pullulan particles with MesCl depends on the solvent used In the case of Py, ... Sulphonic Acid Esters Fig 6.4 Time dependence of the conversion of cellulose with a molar ratio AGU:TosCl of A 1:6 and B 1:1 in DMAc/LiCl solution in the presence of TEA Table 6.3 Reaction of cellulose ... 118 Sulphonic Acid Esters Fig 6.1 Typical sulphonic acid esters of polysaccharides Table 6.1 Influence of reaction time and temperature on the conversion of mercerised cellulose (cotton linters)...
Ngày tải lên: 25/10/2013, 16:20
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
... T.DT1.3 con/mẫu 10 T.DT1.2.1 con/mẫu 11 T.DT1.2.2 con/mẫu 12 T.DT1.1.1 con/mẫu 13 T.DT1.1.2 con/mẫu 14 T.DT1.1 15 T.DT1.2 16 T.DT2.1 con/mẫu 17 T.DT2.2 con/mẫu 18 T.DT3.1 con/mẫu 19 T.DT3.2 con/mẫu ... T.VL1.4 con/mẫu T.VL1.5 con/mẫu T.VL4.1 con/mẫu SVTH: Trần Trọng Nguyễn Ao nuôi cá thịt Vĩnh Long con/mẫu 32 MSSV:207111033 KHÓA LUẬN TỐT NGHIỆP T.VL4.2 con/mẫu T.TG1.1 con/mẫu T.TG1.4 T.TG1.5 con/mẫu ... T.DT3.3 con/mẫu B Ao cá thịt Tiền Giang Ao nuôi cá thịt Đồng Tháp con/mẫu con/mẫu con/mẫu Hệ tiêu hóa cá giống (15 khuẩn lạc) 21 G.VL1.5 con/mẫu 22 G.VL1.7 con/mẫu 23 G.VL1.9 24 G.VL1.10.1 con/mẫu...
Ngày tải lên: 27/04/2014, 17:03
Alternative media for lactic acid production by lactobacillus delbrueckii NRRL b 445
... PRODUCTION Figure Prediction of the generalized model for the dependence of lactic acid concentration on the corn steep liquor concentration and time correlated with the CSL concentration by mean of ... data concerning 253 Figure Prediction of the generalized model for the dependence of glucose concentration on the corn steep liquor concentration and time glucose concentration=time and the regression ... kind of surface response allows the selection of different conditions in order to achieve the same results The consumption of glucose by L delbrueckii can be given by the following equation (obtained...
Ngày tải lên: 05/05/2014, 08:44
An economical approach for d lactic acid production utilizing unpolished rice
... By ANOVA, the coefficient of determination (R2) of the regression model was 0.9719, which implied that 97.19% of the variation in the response could be explained by the model The R2 of 0.9719 ... production (Table 2) Lower OD420 implies lower cost of the fermentation broth decoloration Obviously, though the D-lactic acid concentration and production rate were not the highest, the OD420 of the ... fermentation contained 20 g/l of wheat bran powder, 0, and g/l of yeast extract, respectively Other fermentation media’s compositions were shown further The initial reducing sugar concentrations of...
Ngày tải lên: 05/05/2014, 08:44
Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria
... number of inflection points The intersection with the pH-axis is self-evidently the initial pH As already mentioned, a main objective of the present research is the application of the model of Nicolaı ... two components, hydrogen ions and undissociated lactic acid Model accuracy and reliability therefore strongly depend upon a proper description of the influence of these two components on the specific ... concentration on growth and production kinetics can be neglected Application of the adapted model of Nicolaı et al ¨ to the experimental data set of cell concentration N, total lactic acid concentration...
Ngày tải lên: 05/05/2014, 08:44
Báo cáo hóa học: " Superhydrophobic poly(L-lactic acid) surface as potential bacterial colonization substrate" pptx
... perfectly the irregularities on the SH surface (Figures 4a and 4b) and, thus, end up having a greater contact area than on the smooth H surface Concerning the colonization of the H surface, the significant ... studying the microbial colonization of H and SH PLLA surfaces by different kinds of bacteria and, consequently, evaluating the potential application of these materials as substrates in the biotechnological ... condition were visualized under a scanning electron microscope Therefore, after the 24 h incubation period, coupons were dehydrated by a 15 immersion in solutions with increasing concentrations...
Ngày tải lên: 20/06/2014, 23:20
Probiotic potential of lactic acid bacteria isolated from chicken gastrointestinal digestive tract pot
... against Salmonella sp The antibacterial activity of LAB may often be due to the production of organic acids, with a consequent reduction in ´ pH, or to the production of hydrogen peroxide (Gonzalez ... dissociated forms, and the extent of the dissociation depends on pH The antimicrobial effect of organic acids lies in the reduction of pH, as well as the undissociated form of the molecules It has ... the ratio 1:5 The emulsion was produced by stirring for 20 at a constant speed (900 rev min-1) until it was creamy A solution of 0.1 M calcium chloride was then added quickly along the side of...
Ngày tải lên: 07/07/2014, 19:20
Báo cáo khoa học: "Isolation of cholesterol-lowering lactic acid bacteria from human intestine for probiotic use" ppsx
... were formed on the BL media after 48hrs incubation, they were confirmed as the bacteria to have low pH tolerance [14] In order to assess bile salt tolerance of bacteria, the isolates of Streptococcus, ... 37oC for hrs Then, bacteria were spread onto BL agar plates to confirm the survival of bacteria and anaerobically incubated at 37oC for 48 hrs If colonies were formed on the BL media, they were ... Japan) to confirm whether they have bile salt hydrolase (BSH) activity or not Plates were anaerobically incubated at 37oC for 72 hrs, and the diameter of the precipitation zones around the disks...
Ngày tải lên: 07/08/2014, 18:20
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
... the application of 50 μL of oxazolone 5% (w/ v) in acetone on the right ear (25 μL each side of the ear) The second challenge was done days after the first challenge with the same procedure The ... hair of CD-1 mice was removed and the sensitization phase was done by the application of 100 μL of × 1011 oxazolone % (w/v) in acetone on the hairless abdomen After four days, the elicitation phase ... was conserved throughout the entire course of the experiment On the other hand, for therapeutic protocol, the anti-inflammatory effect following MPM consumption was apparent only after the second...
Ngày tải lên: 11/08/2014, 08:21
nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella
... T.DT1.3 con/mẫu 10 T.DT1.2.1 con/mẫu 11 T.DT1.2.2 con/mẫu 12 T.DT1.1.1 con/mẫu 13 T.DT1.1.2 con/mẫu 14 T.DT1.1 con/mẫu 15 T.DT1.2 con/mẫu 16 T.DT2.1 con/mẫu 17 T.DT2.2 con/mẫu 18 T.DT3.1 con/mẫu ... T.VL1.4 con/mẫu T.VL1.5 con/mẫu T.VL4.1 con/mẫu SVTH: Trần Trọng Nguyễn Ao nuôi cá thịt Vĩnh Long 32 con/mẫu MSSV:207111033 KHÓA LUẬN TỐT NGHIỆP T.VL4.2 con/mẫu T.TG1.1 con/mẫu T.TG1.4 T.TG1.5 con/mẫu ... G.TG1.4 con/mẫu 29 G.TG1.5 con/mẫu 30 G.DT 1.1 con/mẫu 31 G.DT1.2 con/mẫu 32 G.DT2.2 con/mẫu Ao nuôi cá giống Đồng Tháp 33 G.DT3.1 con/mẫu 34 G.DT3.2 con/mẫu 35 G.DT5.1 con/mẫu C Nước ao nuôi cá...
Ngày tải lên: 21/11/2014, 03:59
Engineered poly(l lactic acid) based nanofibers for osteogenic differentiation of human mesenchymal stem cells
... by the action of carbonic anhydrase II An ATP-mediated proton pump, located on the brush border, actively transfer these ions into the resorption area In addition to the demineralization of the ... showed the deposition of bone minerals along the nanofibers at 5000X magnification Figure E showed the formation of large bone aggregates at 5000X magnification Figure D showed the presence of 3D-shaped ... buried in the bone matrix during active bone formation They are the most abundant cells of bone tissue, making up 95% of all bone cells Relative to the other bone cells, the osteocytes are long lived,...
Ngày tải lên: 09/09/2015, 10:07
Structure property relationship of crystalline poly(lactic acid)s DFT DFPT studies and applications
... predicted by locating the minima of the conformational potential energy calculated as a function of the angles of rotation about the skeleton bonds of the monomer unit The method had been applied ... applications The properties of PLA are determined by the polymer primary structures, conformations, the crystal structures and the degree of crystallinity Hence, a study on the relationship of structure ... precisely Therefore, one has learnt to be content with the approximate solutions The Born-Oppenheimer (BO) approximation [1] separates the calculation of the electronic structure from that of the ionic...
Ngày tải lên: 09/09/2015, 18:56
The roles of lactic acid bacteria in host inflammatory responses
... responses The microbes reinforce the barrier function of the intestinal mucosa, helping in the prevention of the attachment of pathogenic microorganisms and the entry of allergens Alteration of the ... secretion obtained upon the treatments of conditional medium on HCT116 cells .108 Figure 4.5 Regulation of IL-8 levels by carbohydrate oxidation and protein digestion of E faecalis on ... in the regulation of host responses upon commensal and pathogenic bacteria Appropriate colonization of GI microflora helps to maintain proper Th cell responses, thus reducing the risk of these...
Ngày tải lên: 13/09/2015, 19:50
fermentation of mango juice by lactic acid bacteria
... sugar content and dilution rate In general, the density of LAB reduced when dilution rate and the content of sugar increased Density of LAB was highest in 30% dilution and 9% sugar On the other ... ratios In addition, when compared with the other treatments the sample at the rate of 40% diluted and 9% sugar content gave the highest acid content 13 Figure The change of lactic acid content according ... Note: The data in the table is the average of triplicates The same characters show no difference statistically significant at 95% At the dilution rate of 30% of mango juice, the content of lactic...
Ngày tải lên: 06/10/2015, 12:57
fermentation of carrot juice by lactic acid bacteria
... time of lactic acid fermentation 14 3.7 Study on temperature and time of storage 16 CONCLUSIONS AND SUGGESTIONS 18 REFERENCES .19 ii INTRODUCTION Probiotication is one of the ... that Pro belonged to Lb helverticus It gave the best results (1.46% w/v acid content ) 30% (w/v) of dilution ratio and 15% (w/v) of sugar content conditions applied for the fermentation The appropriate ... epithelial cells, and antagonize pathogens (Valentina and Simone , 2012) 11 3.5 Study on the effect of dilution ratio and sugar content The results of Lb helveticus density and lactic acid content...
Ngày tải lên: 06/10/2015, 13:04
fermentation of dragon fruit juice by lactic acid bacteria
... % of sugar concentration, and the lowest value at 15% of sugar concentration due to the inhibition of high concentration of sugar Besides, at the same glucose concentration level, acid indexes ... results of the acid index, the concentration of bacteria and sensory evaluation, it could be concluded that the pure dragon fruit juice with 9% of sugar concentration was appropriate for fermentation ... hours of incubation, the concentration reached to 6.45 – 6.66 log CFU/mL At T0, the concentration of bacteria strains in pH 3.5 medium were higher than theirs in pH 2.5 medium And the lowest concentration...
Ngày tải lên: 06/10/2015, 13:04