chemical composition and physical properties

... Revised and Expanded, edited by Seppo Salminen and Atte von Wright 86 Handbook of Vegetable Science and Technology: Production, Composition, Storage, and Processing, edited by D K Salunkhe and S ... Their Structures and Properties Douglas G Dalgleish Food Emulsifiers: Their Chemical and Physical Properties Niels J Krog and Flemming Vang Sparsø Molecular Organization in Lipids and Emulsions ... M Pigoff and Barbee W Tucker 40 Handbook of Vitamins: Second Edition, Revised and Expanded, edited by Lawrence J Machlin 41 Handbook of Cereal Science and Technology, Klaus J Lorenz and Karel...

Ngày tải lên: 23/05/2014, 11:36

... other properties of biodiesel such as density, cetane number, heating value and low temperature properties On the other hand, the need for standardization of biofuels physical and chemical properties ... emissions and combustion Because the physical and chemical properties of biodiesel derived from different sources are not same, those properties have strong relation with the fatty acid composition ... of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.411-430 427 properties and fatty acid composition on CO and HC emissions The correlation analysis reveals that the CO and HC emissions...

Ngày tải lên: 05/09/2013, 15:28

... pattern matching and fullness Higher fabric extensibility enhances fabric hand [softness] and increased formability PLA showed a low linear extension implying a softer hand and a larger extension ... dyers and colorist (2001) [3] Blackburn, R.S (2005) Biodegradable and sustainable fibers, Woodhead Publishing Limited, North America [4] Behery, H (2005) Effect of Mechanical and Physical properties ... fibers and spun bond fabrics by conventional melt spinning machines [17] The fibers are then drawn and annealed to give desirable mechanical properties such as high tenacity, good toughness and...

Ngày tải lên: 05/09/2013, 16:10

... DSMes 1.3, and additionally in DMF and NMP starting at DSMes 2.1 Samples with lower DSMes swell only Dextran mesylate is prepared in an aqueous solution of the biopolymer with MesCl and NaOH as ... acetone and dioxane at DSTos 1.4 and, in addition, in chloroform and methylenechloride at DSTos 1.8 A structure characterisation was carried out by means of FTIR- and NMR spectroscopy (Fig 6.5) ... polysaccharides exhibit a high reactivity and have to be handled carefully The conversion of trifluoromethanesulphonic acid anhydride with methyl cellulose and cellulose acetate was used for the...

Ngày tải lên: 25/10/2013, 16:20

... 2007) Đồ thị Sản lượng nuôi cá tra từ năm 2000-2008 (Vietnam association of Seafood Exporters and Producers-VASEP, 2008 SVTH: Trần Trọng Nguyễn MSSV:207111033 KHÓA LUẬN TỐT NGHIỆP Tuy nhiên, ... phân tử sắt hòa tan sắt bị kết tủa tách khỏi hỗn hợp chất này, có lợi cho phát triển vi khuẩn (Neilands, 1981) Các chủng vi khuẩn không gây hại có khả sản xuất siderophore sử dụng probiotic để cạnh ... (OD600) - Mật độ vi khuẩn xác định theo công thức: 1,02 x 10 x OD600 (CFU/ml) (công thức Mc Fahrland) - Từ mật độ vi khuẩn xác định được, tính toán thể tích cần thiết cấy vào erlen chứa 5ml dung...

Ngày tải lên: 27/04/2014, 17:03

... (Amrane and Prigent, 1994) They proposed that the main contributors of yeast extract are the purine and pyridine bases and B group Figure Experimental and calculated dependence of lactic acid and ... in the yeast extract, peptone and CSL used was 11.9, 12 and 13% in dry basis, respectively The content of water in the yeast extract, peptone and CSL used was 3.5, and 50%, respectively Calcium ... lactic acid produc, tion and glucose consumption were modelled and the regression parameters obtained were correlated with CSL concentration MATERIALS AND METHODS Strains and Culture Conditions...

Ngày tải lên: 05/05/2014, 08:44

... amino acids which had been used as additives in the health food and feedstuff industry and showing good development prospect (Chandi and Sogi, 2007) As a byproduct of the D-lactic acid production, ... saccharificate and dregs Reducing sugar was the primary composition of the unpolished rice saccharificate The yields of reducing sugar and rice dregs reached 810.26 ± 24.21 g/kg unpolished rice and 185.67 ... initial culture volume of l The agitation speed and culture temperature were controlled at 150 rpm and 45 °C, respectively The culture pH of shaking flask and fermentor were automatically controlled...

Ngày tải lên: 05/05/2014, 08:44

... gaining more and more attention for process evaluation, optimisation and design (Walls and Scott, 1997) For mathematical models to be of use in the specific subareas of food fermentation and biological ... slowly and their influence on growth and production kinetics is small Therefore, since the medium and associated initial pH is not a variable in the case study presented in this paper, lmax and ... 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 these chemical principles and assumes a single buffer...

Ngày tải lên: 05/05/2014, 08:44

... originally inspired by the unique water-repellent properties of the lotus leaf (Barthlott and Neinhuis 1997) and the leaves of a number of other plants (Bhushan and Jung 2006) The so called “lotus effect”, ... 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 ... 70% ethanol solution, and then aseptically and individually washed with ultra-pure sterile water and let to dry overnight at room temperature (21° C) Bacterial strains and culture conditions...

Ngày tải lên: 20/06/2014, 23:20

... preliminary probiotic properties, including resistance to simulated gastric and intestinal fluids, digesting capability and antibacterial activity There were KT2L24, KT3L20, KT4S13, KT3CE27 and KT8S16 These ... of meat and vegetables Some strains of the Pediococcus species produce antimicrobial peptides that inhibit closely related LAB and gram-positive spoilage and pathogenic bacteria (Gurira and Buys ... strains, culture compositions and growth conditions (Lindgren and Dobrogosz 1990) Lactic acid is the major organic acid in LAB fermentation where it is in equilibrium with its undissociated and dissociated...

Ngày tải lên: 07/07/2014, 19:20

... Streptococcus and Lactobacillus) and pH 3.0 (for Bifidobacterium), respectively, by using N HCl, and put into ml per a ml vial Streptococcus and Lactobacillus were inoculated into MRS broth (pH 2.5) and ... from the cultured media and were transferred onto BL media They were incubated at 37oC for 24 hrs under anaerobic conditions, and regarded LAB as Streptococcus, Lactobacillus and Bifidobacterium ... probiotic use feces were serially diluted with the Diluent A, and spreadplated as 10−1, −3, −5, −7 onto TATAC, LBS and BS media and as 10−5, −6, −7 onto BL media [15,21] Plates were incubated...

Ngày tải lên: 07/08/2014, 18:20

... depression, anxiety, and inflammation biomarkers: C-reactive protein and fibrinogen in men and women J Occup Health Psychol 2005, 10:344-362 Bruunsgaard H: Physical activity and modulation of systemic ... to be a sensitive and useful tool to determine efficacy and potency of several anti-inflammatory and immunosuppressive drugs used in dermatological disorders such as dermatitis and psoriasis Glucocorticoids, ... developed by Bradley et al [42] and Xia and Zweier [43] The mice were sacrificed at the end of prophylactic protocol by CO2 and the ears were immediately remove and frozen quickly in liquid nitrogen...

Ngày tải lên: 11/08/2014, 08:21

... al., 2007) Đồ thị Sản lượng nuôi cá tra từ năm 2000-2008 (Vietnam association of Seafood Exporters and Producers-VASEP, 2008 SVTH: Trần Trọng Nguyễn MSSV:207111033 KHÓA LUẬN TỐT NGHIỆP Tuy nhiên, ... phân tử sắt hòa tan sắt bị kết tủa tách khỏi hỗn hợp chất này, có lợi cho phát triển vi khuẩn (Neilands, 1981) Các chủng vi khuẩn không gây hại có khả sản xuất siderophore sử dụng probiotic để cạnh...

Ngày tải lên: 21/11/2014, 03:59

... passage and passage 4, 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, ... 2D (A and B), the outer surface of 3D (C and D) and the center of 3D (E and F) electrospun PLLA/Col nanofibrous scaffolds cultured with human MSCs in the Ost medium on day 28 Figures C and F ... cell-cell interactions as well as the presentation of chemical, physical, mechanical and electrical stimuli cues in the surrounding fluid and ECM provide the guidance for cellular responses Thus,...

Ngày tải lên: 09/09/2015, 10:07

... structures and the degree of crystallinity Hence, a study on the relationship of structure and property is fundamentally important in engineering and modifying PLA, and predicting its properties ... [28] The ability to control the stereochemical architecture allows precisely control over the speed and degree of crystallinity and hence tailors the physical properties for specific Chapter Introduction ... Synthesis, Properties and Applications In Monomers, polymers and composites from renewable resources, 1st ed.; Belgacem, M N.; Gandini, A., Eds Elsevier: Oxford ; Boston, 2008; pp 433-450 [25] Gandini,...

Ngày tải lên: 09/09/2015, 18:56

... (Cristofaro and Opal, 2006) TLR3 recognizes nucleic acids like TLR9, but confined to single-stranded (ss) and double-stranded (ds) RNA rather than DNA (Sen and Sarkar, 2005) TLR3 and TLR9 are ... inflammation and angiogenesis and consequently in healing and tumor development (Zheng and Martins-Green, 2007) Suppression of IL8 might result in the inhibition of inflammation in the tissue and further ... etc., for their understanding and sharing of laughter and tears with me throughout this period Last but not least, I am always grateful to my family, especially my dearest husband, for their substantial...

Ngày tải lên: 13/09/2015, 19:50

... life is more and more enhanced So, eating is not a main demand The demand of enjoying and exploring the effect of food on health are top priority Since, the relationship between food and dietary ... dilution and blending sugar 2.2.5 Study on the effects of LAB density, fermentation temperature and time 2.2.6 Study on temperature and time for storage conditions Results and discussion ... to produce antibiotics to prevent and kill bacteria and pathogenic microbes Juice is a good environment for the growth of bacteria and probiotic products Fruits and vegetables are foods with health...

Ngày tải lên: 06/10/2015, 12:57

... ratio and sugar content 12 3.6 Studying the effect of inoculums density, temperature and time of lactic acid fermentation 14 3.7 Study on temperature and time of storage 16 CONCLUSIONS AND ... dilution ratio and sugar content - Studying the effect of inoculums density, temperature and time of lactic acid fermentation - Study temperature and time of storage 2 MATERIALS AND METHODS 2.1 ... 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

... fruit juice and sucrose rates 2.2.5 Study on inoculum levels, incubation temperature and fermentation time 2.2.6 Study on storage temperature and storage time Results and discussion ... dragon fruit juice and sucrose rates 10 3.5 Inoculum levels, incubation temperature and fermentation time 15 3.6 Storage temperature and storage time 18 Conclusions and suggestions ... flavour, texture and safety of perishable raw materials (Caplice and Fitzgerald, 1999) Fruit juice is a good environment for the growth of bacteria and probiotic products Fruits and vegetables...

Ngày tải lên: 06/10/2015, 13:04