chemical modification of the interfacial layer
Food emulsions, fourth edition
... with, the hydrophobic surface of the fat or oil, whereas the latter dissolves in the aqueous phase The surfactant therefore forms a layer on the surfaces of the emulsion droplets Depending on the ... the air– water interfaces of the air bubbles as the mixture is whipped (6) The semiliquid fat cannot wholly coalesce as the interfacial layers are broken, because of the limited mobility of the ... knowledge of the physical characteristics of the medium and the dispersed phase if they are to give absolute, rather than relative, results VI STRUCTURES OF THE ADSORBED LAYERS ON THE SURFACES OF EMULSION...
- 640
- 4,669
- 0
Effect of unsaturated fatty acid esters of biodiesel fuels on combustion, performance and emission characteristics of a DI diesel engine
... 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 ... addition of chemicals (additives) to improve the air-fuel mixture by decreasing the surface tension, b) preheating to diminish the viscosity for improving the internal formation of the mixture and the ... in two layers The upper layer consisted of ester and alcohol and was separated from the bottom layer (glycerin) The upper layer was distilled to remove and recover excess alcohol and the esters...
- 20
- 483
- 0
Effects of time of heatsetting on the tensile properties of ingeo™ poly (lactic acid) (PLA) fabric
... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... resilience [%] The specimen were clamped between two chucks each of 20cm long A constant force of 200g was applied by attachinga weight to the front chuck of the specimen When the test started, the back ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...
- 10
- 460
- 0
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, ... high content of chlorodeoxy moieties [265] The conversion of cellulose with MesCl in the presence of TEA in DMAc/LiCl yields products with a DSMes of 1.3 at a reaction temperature of ◦ C for 24 ... 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 with TosCl...
- 12
- 266
- 0
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
... thịt cỡ 300-500g (Từ Thanh Dung ctv, 2004) Theo Ferguson et al (2001), bệnh ghi nhận xuất ở ĐBSCL vào cuối năm 1998 có tên BNP (Bacilliaty Necrosis of Pangaius) Từ Thanh Dung (2005) phân lập ... BioF có chứa chủng Lactobacillus acidophillus sử dụng nuôi trồng thủy sản có tác dụng tăng khả hấp thụ thức ăn hạn chế bệnh Aeromonas, Vibrio… gây Những nghiên cứu gần cho thấy bổ sung BioF ... Các chủng vi khuẩn nitrate hóa tiết polymer cho phép chúng gắn kết bề mặt hình thành nên biofilm Và biofilm làm giảm đến 50% tỷ lệ ammonia nitrite môi trường ao nuôi (Sahu et a.l, 2008) Ngoài...
- 89
- 1,238
- 0
Alternative media for lactic acid production by lactobacillus delbrueckii NRRL b 445
... nutrients Table shows the components of the Mercier medium as well as the cost of each nutrient The price of CSL is also included in the same table As it can be noted, the price of CSL is two to three ... delbrueckii maintains the homofermentative pathway in the presence of CSL In the experiment using the Mercier medium, the glucose concentration was completely consumed at the end of the fermentation ... 0.9675 0.9176 a The CSL concentration was 10 g l¡1 in all the experiments and the concentrations of the other nutrients were the same as used in Mercier medium vitamins The importance of yeast extract...
- 7
- 330
- 0
An economical approach for d lactic acid production utilizing unpolished rice
... (ANOVA) The fitted polynomial equation was then expressed in the form of threedimensional surface plots to illustrate the relationship between the responses and the experimental levels of each of the ... 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 ... used in the medium, which implied that the cost of decoloration would be lower in the downstream steps (Fig 3b) Besides, the unit price of unpolished rice was nearly one half of that of the fresh...
- 6
- 344
- 0
Analysis and practical implementation of a model for combined growth and metabolite production of lactic acid bacteria
... and the buffering capacity of the medium are known The amount of undissociated lactic acid is then further related to the total amount of lactic acid LaHtot and the pH by the lactic acid chemical ... (full line) by means of the parameter values used in the work of Nicolaı et al to construct Fig 3(1), p 234 in ¨ their paper Furthermore, to comprehend the influence of the buffer amount BuHa/BuMa ... Furthermore, when the pH and/or buffer amount further increase, the intersection of this line with the LaHtot-axis increases, or otherwise said, the straight line is shifted to the right The pH versus...
- 12
- 625
- 0
Báo cáo hóa học: " Superhydrophobic poly(L-lactic acid) surface as potential bacterial colonization substrate" pptx
... larger-wider than the bacterial size approach the binding potential of a flat surface On the other hand, grooves or scratches too small for the bacterium to fit in them reduce the contact area of the bacterium ... surface, showing the presence of an extracellular matrix that, together with the cells, covered most of the rough surface (Figure 4c) It is also important to note that the hydrophobicity of the same ... between the droplet and the leaf extremely small This minimizes the attractive forces between the water molecules and the atoms of the surface, and allows the water to “bead up” and rolls off (Frim...
- 9
- 293
- 0
Probiotic potential of lactic acid bacteria isolated from chicken gastrointestinal digestive tract pot
... at 41°C for 24 h The diameters of the holo zone on the agar plate were then measured The digesting capability of the tested strains was classified as positive when the diameters of clear zone were ... release of bile salts in the small intestine The pH levels of gastric juice may vary from 2.0 to 3.5 depending on the feeding time, the growing stage or the kind of animal (Yu and Tsen 1993) The ... acids lies in the reduction of pH, as well as the undissociated form of the molecules It has been proposed that the low external pH causes acidification of the cell cytoplasm, while the undissociated...
- 9
- 730
- 0
Báo cáo khoa học: "Isolation of cholesterol-lowering lactic acid bacteria from human intestine for probiotic use" ppsx
... about 50% in the MRS broth regardless the presence of bile salt These results showed that many LAB have a great cholesterol-lowering activity in the MRS broth regardless to the presence of bile salt ... 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 was ... 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,...
- 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
... 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 ... week adaptation in the animal facility, the mice were separated in groups of 10 animals The grouping was randomized according to the weight of the rodents The murine model of ACD was based on ... course of the experiment On the other hand, for therapeutic protocol, the anti-inflammatory effect following MPM consumption was apparent only after the second challenge (Figure 1C) The effect of...
- 10
- 416
- 0
nghiên cứu phân lập nhóm vi khuẩn lactic acid có tính chất đối kháng với vi khuẩn edwardsiella
... tra thịt cỡ 300-500g (Từ Thanh Dung ctv, 2004) Theo Ferguson et al (2001), bệnh ghi nhận xuất ĐBSCL vào cuối năm 1998 có tên BNP (Bacilliaty Necrosis of Pangaius) Từ Thanh Dung (2005) phân lập vi ... học BioF có chứa chủng Lactobacillus acidophillus sử dụng nuôi trồng thủy sản có tác dụng tăng khả hấp thụ thức ăn hạn chế bệnh Aeromonas, Vibrio… gây Những nghiên cứu gần cho thấy bổ sung BioF ... Các chủng vi khuẩn nitrate hóa tiết polymer cho phép chúng gắn kết bề mặt hình thành nên biofilm Và biofilm làm giảm đến 50% tỷ lệ ammonia nitrite môi trường ao nuôi (Sahu et a.l, 2008) Ngoài...
- 96
- 671
- 1
Engineered poly(l lactic acid) based nanofibers for osteogenic differentiation of human mesenchymal stem cells
... Figures c and d, the expression levels of BSP and WNT5A of the cells on the nanofibers were significantly higher than on the controls 109 Figure 4.1 The SEM images of the nanofibrous scaffolds ... Among them, the calcium phosphate graft materials are commonly used because of their similarity in chemical composition to Chapter - Introduction the mineral phase of native bone Some of the synthetic ... graft substitutes c) The nanofibers mineralized with nano-HA mimic the nanostructure of native bone ECM, and the presence of HA resembles the mineral phase of the ECM d) The nanotopographical...
- 272
- 258
- 0
Structure property relationship of crystalline poly(lactic acid)s DFT DFPT studies and applications
... by the eigenvalues of the Hessian of the Born-Oppenheimer energy scaled by the nuclear masses: det E R 2 M I M J R I R J (4) The calculation of the equilibrium geometry and of the ... foundation of DFT is given by the Hohenberg-Kohn theorem 2.3.1 Hohenberg - Kohn Theorem [2] The theorem contains two parts The first part of the theorem proves that for an interacting system of electrons ... minimizing the energy functional (under the constraint that the integral of the density equals to the total number of electrons), whose value at the minimum also gives the ground state energy The foundation...
- 172
- 335
- 0
The roles of lactic acid bacteria in host inflammatory responses
... 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 microbial flora of the ... during the first year of life (Bengt Bjorksten, 2001) Thus these LAB may play a critical role in the regulation of the immune system even in the early stage of human life With the growth of the ... beyond the gut, modifying systemic immunity However, the mechanisms of how they interact with the host and the role that they play in the intestine immune system especially in the context of chronic...
- 299
- 267
- 0
fermentation of mango juice by lactic acid bacteria
... (%) Note: The maximum score is The data were the average of sensory evaluators In short, from the results of pH, Brix, lactic acid content, the density of bacteria and the results of the sensory ... 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 ... content of lactic acid Therefore, at the dilution rate 30, 40% bacteria growth was better than those of dilution ratios In addition, when compared with the other treatments the sample at the rate of...
- 29
- 360
- 0
fermentation of carrot juice by lactic acid bacteria
... probiotic bacteria at the level of at least log CFU/mL The survival rate of all isolates at the level 10 of about 8.02-8.69 log CFU/mL of fermented carrot juice Addition, the result of lactic acid concentration ... ability of isolates in carrot juice - Identification of the selected lactic acid bacteria by molecular technique - Study on the effect of dilution ratio and sugar content - Studying the effect of ... the result, isolates of lactic acid bacteria were isolated from kinds of carrot (Dalat and Chinese) Colonies of all isolates were round, smooth, grayish white Because of the differentiation of...
- 26
- 289
- 0
fermentation of dragon fruit juice by lactic acid bacteria
... concentration reached the highest value at % 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 ... Values in the Table were average values of replications The sensory evaluation of pure dragon fruit juice was higher than others The lowest cores belonged to the samples with 40% and 60 %of dilution ... low pH environment, so they could survive in the environment of the stomach Therefore, these strains were able to apply in probiotic products 3.3 Application in producing of fermented dragon fruit...
- 27
- 586
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các mục tiêu của chương trình khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản xác định thời lượng học về mặt lí thuyết và thực tế điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008