Optimization of Chitin Extraction from Shrimp Shells

... increase of the intrinsic viscosity of chitin with time The phenomenon is Biomacromolecules, Vol 4, No 1, 2003 17 Optimization of Chitin Extraction Table Characterization of the Extracted Chitin ... supernatant and in the obtained chitin Results and Discussion The overall process for the preparation of shrimp chitin is given in Figure The raw shrimp shells contai...

Ngày tải lên: 25/08/2016, 11:28

... recovering chitin and protein hydrolysates from white leg shrimp shells with pepsin In addition, the information relevent to kinetics of the process and the linkage between protein, minerals and chitin ... Chitin Figure 3.39: Proposed procedue for recovering chitin and protein from heads of white leg shrimp Chitin Figure 3.40: Proposed procedue for re...

Ngày tải lên: 15/08/2015, 22:14

... ) % extraction of curcumin using acetone Fig Curcumin extraction by supercritical CO2 ( ) % Extraction of curcumin from curcuma powder using supercritical CO2 3.3 Ultra- sonic assisted extraction ... extraction (UAE) 3.4 Supercritical carbon dioxide extraction (SC CO2 E) 3.3.1 Effect of ultra- sonic irradiation Fig shows the effect of ultra- s...

Ngày tải lên: 01/07/2014, 13:23

... onto Chitin 72 Free dithizone Chitin -dithizone Figure 3: IR spectra of (a) free dithizone and (b) dithizone- immobilized chitin The XRD spectra and their d-spacing data of free dithizone and dithizone- immobilized ... (ml), and m is the weight of the chitin or chitin -dithizone adsorbents The effect of adsorbent mass on the amount of adsorbed...

Ngày tải lên: 07/08/2014, 14:20

... typical of fi -chitin) The spectrum of chitin from Fusarium oxysporum was different from the rest Thus, the relative intensity of the bands between 2968 and 2850 cm-’ was different from those of the ... Meyers and K S Lee, Isolation and characterization of chitin from crawfish shell waste J Agric Food Chem 37, 575 (1989) P V Kamasatri and P V Prabhu, Preparatio...

Ngày tải lên: 24/08/2016, 16:11

... the a -chitin and b -chitin The differences in the IR spectra of chitin can be used to distinguish between a -chitin and b -chitin (i) Due to the different arrangement between a -chitin and b -chitin, ... surface of b -chitin appears less crystalline and different from a -chitin 3.3 Deacetylation of chitin 3.3.1 Preparation of chitosan To avoid long heating ti...

Ngày tải lên: 25/08/2016, 11:21

... (e.g (Pantel and Pennacchiotti, 2006)) to reduce noise Some of the methods are suitable for retrieval of numerical attributes However, most of them not exploit the numerical nature of the attribute ... evaluation, since the nature of the data is different from that of the QA dataset Most of the questions asked over the Web target named entities like spe...

Ngày tải lên: 20/02/2014, 04:20

... ambiguity in WordNet by combining its information with another source of information: the Dewey Decimal Classification (DDC) (Dewey, 1989) Reducing the lexical ambiguity in W o r d N e t The main ... greatly reduce the ambiguity implied by the use of WordNet by finding the correct set of field labels that cover all the WordNet hierarchy in an uniform way Therefo...

Ngày tải lên: 08/03/2014, 21:20

... study of the full ectodomain of PBP1a from Thermotoga maritima (Tm -1a* ), extending our previous work on the GTase domain from this protein (Tm-GT1a*) [38] T maritima is a Gram-negative hyperthermophilic ... investigate the substrate specificity of the TPase reaction of Tm -1a* Fig Screening of conditions for GTase activity of CYMAL-4-purified Tm -1a* Tm -...

Ngày tải lên: 29/03/2014, 21:20

... Demonstration of the disassembly of a defunct LCD Carbon dioxide extraction was carried out using a Thar Technologies SFE-500F-2-FMC System and liquid withdrawal carbon dioxide (99.9 %) The extraction ... for extraction of liquid crystals from defunct display devices with high efficiency MATERIALS AND METHODS A LCD (Figure 2A) device may be disassembled b...

Ngày tải lên: 28/04/2014, 10:50

... Thickness-dependent optimization of Er3 + light emission from silicon- rich silicon oxide thin films Nanoscale Research Letters 2011 6:395 Submit your manuscript to a journal and benefit from: Convenient ... (2006) P Horak, WH Loh, AJ Kenyon, Modification of the Er3+ radiative lifetime from proximity to silicon nanoclusters in silicon- rich silicon oxide Op...

Ngày tải lên: 21/06/2014, 03:20

... variables of the circular array θ R 3D INFORMATION IN CIRCULAR ARRAY DATA The coordinates, variables, and geometry used in the following are specified in Figure A circular microphone array with radius ... seen from (2) S(α, ϕ, θ) = SEPARATION AND RECONSTRUCTION In the previous section, it was shown that the arrival time curves of plane waves in 2D array data contain...

Ngày tải lên: 22/06/2014, 19:20

... count the number of peaks in each slice (3) Evaluate the histogram of the obtained set of peaks numbers (4) Estimate the total number of the signal components as the argument of the maximum of the ... step of the iterative algorithm For this reason, at the end of the second phase, we end up with a number of components which is higher than the ac...

Ngày tải lên: 23/06/2014, 01:20

... and standardize the agar-gel method for fast and reliable isolation of migrating A suum larvae from pig livers and lungs Materials and methods Experimental pigs Twenty-four crossbred Danish Landrace/Yorkshire/Duroc ... Watson 1973) The present results recommend a standardization of the agar-gel method for recovering of A suum larvae from pig l...

Ngày tải lên: 12/08/2014, 15:20

... Properties of Lemongrass Oil 32 Table 5: Physicochemical Properties of main components of essential oil 34 Table 6: Investigation of SC CO2 extraction of essential oil from lemongrass ... result of Lemongrass essential oil from steam distillation, stem 106 Figure 38: GC result of Lemongrass essential oil from steam distillation, leaf 106 Figure...

Ngày tải lên: 13/11/2014, 06:25