technology of cheeses involving thermophilic lactic acid bacteria

fermentation of mango juice by lactic acid bacteria

Ngày tải lên : 06/10/2015, 12:57

... value of fruit juice fermented by lactic acid bacteria (LAB) Four isolates of lactic acid bacteria from mango were obtained The results of research showed that all 10 strains of lactic acid bacteria ... hours Count density of lactic acid bacteria: plate counting method Monitor the indicators: Brix, pH, level of lactic acid after fermentation and the density of lactic acid bacteria Analyze the ... survive and grow at this pH The cause of the decrease in pH was due to the development of lactic acid bacteria that produced lactic acid Content of lactic acid produced from isolates from Ybio...

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fermentation of carrot juice by lactic acid bacteria

Ngày tải lên : 06/10/2015, 13:04

... select lactic acid bacteria and to study the favorable conditions of lactic acid fermented carrot juice with biological values The content of this study includes: - Isolation of lactic acid bacteria ... Isolation of lactic acid bacteria 3.2 Study on low pH tolerance of isolates 3.3 Study on lactic acid fermentation ability of isolates in carrot juice 10 3.4 Identification of the ... tolerance of isolates - Study on lactic acid fermentation ability of isolates in carrot juice - Identification of the selected lactic acid bacteria by molecular technique - Study on the effect of dilution...

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fermentation of pineapple juice by lactic acid bacteria

Ngày tải lên : 06/10/2015, 13:05

... for lactic acid bacteria to produce new probiotic products Therefore, the research “Fermentation of pineapple juice by lactic acid bacteria was carried out Objectives To isolate lactic acid ... into lactic acid inhibited the bacterial growth and development Besides, lactic acid itself could inhibit the development of bacteria (Nguyen Thi Hien, 2006) In contrast, the treatment of 15 9% of ... characteristics, four isolated bacteria were lactic acid bacteria with following characteristics such as: gram-positive bacteria, catalase-negative, reducing lactic acid to dissolution of CaCO3, cocci or...

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

Ngày tải lên : 05/05/2014, 08:44

... total amount of lactic acid in the medium 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 ... Trivector) Analysis and adaptation of the model of Nicolaı ¨ et al (1993) Nicolaı et al (1993) have constructed a dynamic ¨ model for the surface growth of lactic acid bacteria on vacuum-packed meats ... lactic acid present in a surface liquid layer with known dimensions, the adapted model describes the concentrations of cells and lactic acid in a liquid medium Microbial growth and lactic acid...

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

Ngày tải lên : 07/07/2014, 19:20

... Effect of bile acid on the cell membrane functionality of lactic acid bacteria for oral administration Res Microbiol 157:720–725 doi: 10.1016/j.resmic.2006.04.002 Thongsom M (2004) Lactic acid bacteria ... Poult Sci 5:593–597 Ammor S, Tauveron G, Dofour E, Chevallier I (2006) Antibacterial activity of lactic acid bacteria against spoilage and pathogenic bacteria isolated from the same meat small-scale ... bile tolerance of spore-forming lactic acid bacteria Int J Food Microbiol 61:193–197 doi:10.1016/S0168-1605(00)00366-4 Kailasapathy K (2002) Microencapsulation of probiotic bacteria: technology and...

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

Ngày tải lên : 07/08/2014, 18:20

... Isolation of cholesterol-lowering lactic acid bacteria 393 Table Number of acid- and bile-tolerant lactic acid bacteria isolated from the human intestine for probiotic use Acida Bileb BSHc Streptococcus ... Woestyne M, Christiaens H, Verstraete W Significance of bile-salt hydrolytic Isolation of cholesterol-lowering lactic acid bacteria activities of lactobacilli J Appl Bacteriol 1995, 79, 292-301 ... agar plate Bacteria were preprocessed with reagents to extract fatty acid from the bacterial cell-wall and identified with microbial identification system (MIDI, Inc., USA) Isolation of bacteria: ...

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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

Ngày tải lên : 11/08/2014, 08:21

... Holzapfel WH: Lactic acid bacteria of foods and their current taxonomy International Journal of Food Microbiology 1997, 36:1-29 Ouwehand AC, Salminen S, Isolauri E: Probiotics: an overview of beneficial ... parameters were followed as described Evaluation of peripheral white blood cell counts At the end of the prophylactic protocol of mouse ACD, the blood of each mouse was taken and white blood cell ... diminution of PMN extravasation in the ear of mice The diminution of neutrophils extravasation as suggested by blood PMN counts was confirmed by the reduction of neutrophil content in ear of 62.4%...

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The roles of lactic acid bacteria in host inflammatory responses

Ngày tải lên : 13/09/2015, 19:50

... a variety of stimuli, including lactic acid bacteria (LAB) LAB are a group of related bacteria that produce lactic acid as a result of carbohydrate fermentation Lactobacilli, bifidobacteria, ... THE ROLES OF LACTIC ACID BACTERIA IN HOST INFLAMMATORY RESPONSES WANG SHUGUI (B.Sc., Sun Yat-Sen University) A THESIS SUBMITTED FOR THE DEGREE OF PHILOSOPHY OF DOCTORATE DEPARTMENT OF MICROBIOLOGY ... bacteria that produce lactic acid as a result of carbohydrate fermentation The production of lactic acid results a very low pH which is low enough to inhibit the growth of most other microorganisms...

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fermentation of dragon fruit juice by lactic acid bacteria

Ngày tải lên : 06/10/2015, 13:04

... organic acids,… Dragon fruit juice is a suitable medium for lactic acid bacteria to produce new probiotic products Therefore, the study “Fermentation of dragon fruit juice by lactic acid bacteria ... hours of fermentation, pH decreased from 4.52 to about 3.23 – 4.31 At this pH, lactic acid bacteria could remain The pH decreased because due to the production of lactic acid during development of ... Characteristics of 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...

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Tài liệu tiếng Anh ứng dụng vi khuẩn lactic trong sản xuất GABA

Ngày tải lên : 26/01/2016, 17:37

... Synthesis of c-aminobutyric acid by lactic acid bacteria isolated from a variety of Italian cheeses Appl Environ Microbiol 73:7283–7290 Skeie S, Lindberg C, Narvhus J (2001) Development of amino acids ... gamma-aminobutyric acid: application to the screening of gamma-aminobutyric acid- producing lactic acid bacteria Anal Chim Acta 540:293–297 Tsushida T, Murai T (1987) Conversion of glutamic -acid to gammaaminobutyric -acid ... methods for rapid detection of GABA-producing LAB Table The properties of lactic acid bacterial glutamate decarboxylases Strains Molecular weight of subunit (kDa) Number of subunit Optimal pH Optimal...

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Acetic Acid Bacteria - screening of LAB strains

Ngày tải lên : 16/09/2012, 23:45

... of One hundred and thirteen lactic acid bacteria isolates were obtained from seven fermented 742 World Appl Sci J., (5): 741-747, 2008 Table 1: Species and frequency of occurrence of lactic acid ... containing 90 ml of mESM broth and incubated at 30°C for 30h Samples were taken for analysis at the end of the fermentation period Isolation of lactic acid bacteria: Serial dilutions of homogenized ... on the occurrence of lactic acid bacteria spectrum, L plantarum constituted the highest number of LAB isolated from fermented plant materials The involvement of various types of LAB in fermented...

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

Ngày tải lên : 05/09/2013, 16:10

... Poly (lactic acid) 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 ... [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 ... Ingeo Poly (lactic acid) (PLA) fabric Conclusion The effect of time of heatsetting on tensile properties of knitted Ingeo™ Poly (lactic acid) (PLA) was determined using the KES-FB system of fabric...

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

Ngày tải lên : 20/06/2014, 23:20

... 2c) with sizes of about 10 μm Such rough structure was also seen by optical profilometry (Figure 3) that indicated an average roughness of 8.28 μm and a diameter of each papillae of 8.97 μm, which ... PS (2002) Role of electrostatic interactions in cohesion of bacterial biofilms Appl Microbiol Biotechnol 59:718–722 doi:10.1007/s00253002-1044-2 Donlan RM, Costerton JW (2002) Biofilms: survival ... morphology of both kinds of PPLA surfaces was assessed through scanning electron microscopy (SEM), while the roughness of the superhydrophobic PLLA substrate was assessed using a NT1100Optical Profiler...

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

Ngày tải lên : 09/09/2015, 10:07

... ENGINEERED POLY(L -LACTIC ACID) -BASED NANOFIBERS FOR OSTEOGENIC DIFFERENTIATION OF HUMAN MESENCHYMAL STEM CELLS NGUYEN THI HIEN LUONG (B.Eng., Ho Chi Minh city University of Technology, Vietnam) ... Seeram Ramakrishna Electrospun Poly(L -lactic acid) Nanofibres Loaded with Dexamethasone to Induce Osteogenic Differentiation of Human Mesenchymal Stem Cells Journal of Biomaterials Science, Polymer ... Poly-L -lactic acid nanofibers for bone graft materials Proceedings of International Conference for Micro & Nanotechnologies for Biosciences, 16 18/11/2009, Switzerland Poster presentation iv Table of...

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

Ngày tải lên : 09/09/2015, 18:56

... organization 1.1 Overview of Poly (lactic acid) Poly (lactic acid) or Poly(lactide) (PLA) is a synthetic biopolymer of lactic acid, which can be derived by bacterial fermentation of carbohydrates from ... 152 IV List of Abbreviations List of Abbreviations PLA polylactic acid or polylactide sc stereocomplex PLLA poly(L -lactic acid) or poly(L-lactide) PDLA poly(D -lactic acid) or poly(D-lactide) ... their 50/50 blends XV List of Figures List of Figures Figure 1.1 Two enantiomeric forms of lactic acid: (S)- and (R)- 2-hydroxypropionic acid Figure 1.2 Three stereoisomers of lactide which lead to...

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Production of lactic acid by microbial fermentation of hemicellulose sugars

Ngày tải lên : 16/10/2015, 11:57

... of lactic acid 1.3 Production of lactic acid 1.3.1 Chemical synthesis 1.3.2 Fermentation 1.3.3 Lactic acid microorganisms 1.3.3.1 Lactic acid bacteria 1.3.4 Metabolic pathways of lactic acid bacteria ... 11.0 30 1.3.3.1 Lactic acid bacteria Lactic acid bacteria (LAB) are a group of related bacteria that produce lactic acid as major product.31 LAB have the property of producing lactic acid from carbohydrates ... stereochemistry of PLA is complex because of the chiral nature of lactic acid monomers There are types of PLAs namely PLLA poly (levo -lactic acid) , PDLA poly (dextro -lactic acid) and PDLLA 18 poly (D,L-lactic...

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Acetic Acid Bacteria 1

Ngày tải lên : 16/09/2012, 23:41

... of ethanol and produce high levels of acetic acid Carr media with 4%, 5%, 6%, 7%, 8%, 9% and 10% ethanol were used [4] Characterization and biochemical tests: After isolation of acetic acid bacteria ... World Academy of Science, Engineering and Technology 54 2009 TABLE III GROWTH AND ACETIC ACID PRODUCTION OF ISOLATED BACTERIA AT 34OC AFTER 96 HOURS Temperature Ethanol % Growth Acid Production ... Ribereau-Gayon, “Evolution of acetic acid bacteria during fermentation and storage of wine,” Appl Environ Microbiol., vol 48, 1984, pp.153-156 [2] G S Drydale and G H Fleet, “Acetic acid bacteria in som...

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Acetic Acid Bacteria 2

Ngày tải lên : 16/09/2012, 23:41

... kh o [1] J B Brian, Wood, The Lactic Acid Bacteria, The Lactic Acid Bacteria in Health and Disease [2] A.F Harper, E.T Kornegay, K.L Bryant, H R Thomas, “Efficacy of virginiamycin and a commercialy-available ... Stanlet, “Comparison of two strains of Lactobacillus acidophilus as dietary adjuncts for young calves”, J Dairy Sci 63 (1980) 964 Study on characteristics of lactic acid bacteria isolated in ... Department of Biology, College of Science, VNU, 334 Nguyen Trai, Hanoi, Vietnam Department of Microbiology, National Institute of Nutrition, Yersin, Hanoi, Vietnam - Out of 50 isolated lactic bacteria...

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Harvesting and Post Harvest Technology of Dragon Fruit

Ngày tải lên : 03/04/2013, 20:55

... deliberate picking of the commodity To determine the exact moment when to pick a crop , we have to consider the idea of maturity  The postharvest behavior of a commodity depends on the stage of maturity ... harvesting Time of harvesting is very critical Fruit harvested before optimum stage of maturity  Poor quality  Deteriorate faster  Lower yield (commodity grows bigger considerably at the end of fruit ... depends on the stage of maturity when it was harvested  Maturity Index- signs or indications of the readiness of the plant for harvest The basis for determining harvest date Maturity Index for Dragon...

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post-harvest technology of rice terminologies

Ngày tải lên : 03/04/2013, 20:58

... fatty acids (FFA) and is used for manufacture of soap and fatty acids Crude oil of high FFA is refined and produced of low FFA content (about 5%) for edible purpose Tocoferol and waxes of high ... 91-40-24591217 (b) Free Fatty Acid Manufacture By hydrolysis technique of the triglycerides of fatty acids into fatty acids and glycerol, fatty acids and glycerol are obtained The uses of hydrogenation in ... 1/4th size of the whole grain Husk: The by-product from the milling of rice consisting of the outermost covering of the rice kernels Bran: A by-product from the milling of rice consisting of the...

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