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  • Multi membrane hydrogels

    2008 3 6 Polysaccharide based hydrogels show potential for drug delivery and tissue engineering applications for instance as a matrix to boost natural tissue regeneration Ladet et al use a multi step

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  • Shelflifeoffreshchilledporkasaffectedbyantimicrobialinterv

    2020 4 10 chitosan nisin and tea polyphenols along with their combination during storage at 4 C for 11 days The result showed that treatments with chitosan nisin and tea polyphenols alone significantly P < .05 reduced bacteria population total viable counts TVC lactic acid bacteria pseudomonas spp

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  • Synthesis and characterization of chitosan/potato peel

    2019 9 2 mechanical grinder and crushed into a fine powder using mortar and pestle The powdered material was sieved using a micron test sieve mesh no 400 ASTM BSS to obtain a fineness of <37 µm and collected in an air tight container stored at 4 C until use Preparation of chitosan/potato peel powder ppp hydrogels

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  • Synthesis and Characterization of Chitosan Nanoparticles

    2018 5 2 This is the first time that incorporation of botanic extracts into na chitosan noparticles and their combined antifungical activity has been reported in the li terature 2 Materials and Methods 2.1 Materials Medium molecular weight deacetylation degree 75chitosan 85 Sigma Aldrich was used for the preparation of chitosan nanoparticles.

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  • Solidifying dust suppressant based on modified chitosan

    2017 6 19 In view of the fugitive dusts caused by wind disturbance and material handling in coal bunkers surface plants and open air coal stocking yards of coal businesses the solidifying dust suppressant based on modified chitosan is synthesized and prepared through the chemical modification of –NH 2 with chitosan as a raw material and –NH 2 was replaced by –CH 2 CH OH CH 2 N CH

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  • PDF A process of preparation of chitin and chitosan from

    Nessa et al 2010 extracted chitosan from sun dried prawn shells by producing coarse particles in a centrifugal grinding machine Some coarse particles were demineralized with 10 HCl acid at 27

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  • D Angelo Giacomo and Elhussieny Amal and Faisal

    2018 6 5 Chitosan was extracted from shrimp shells waste with two different methods i in the first method chitosan was extracted from the shrimp shells waste ground with an electric grinder ii in the second method chitosan was extracted from the entire exoskeleton of shrimp shell waste complete with head and tail without grinding.

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  • Effect of Particle Size and HCl Concentration on the

    Effect of Particle Size and HCl on Chitosan Shell Crab Demineralization 57 waste consisting of 57 of the shell 3 of body reject and 20 of the remaining boiling water Utilization of small crab shell as raw material for making chitosan is a solution in reducing the volume of shell shell waste that continues to increase.

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  • Nanofibers based on chitin a new functional food

    2016 6 1 Chitin β 1 4 poly N acetyl D glucosamine is widely distributed in nature A method for the preparation of chitin nanofibers CNFs is reported CNFs are considered to have several potential applications because they have useful properties such as high specific surface area and porosity More recently beneficial effects of CNF as functional foods were reported First the anti

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  • Effect of chitosan on ripening enzymatic activity and

    2018 6 29 For in vivo tests chitosan solutions were prepared by dissolving 0.5 1.0 1.5 and 2.0 g of chitosan powder in 0.5 acetic acid in 100 ml of final solution to yield final concentrations of 0.5 1.0 1.5 and 2.0 w/v chitosan In vitro evaluation of the fungicidal activity of chitosan Effects of chitosan on the mycelial growth and spore

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  • TECHNICAL AND ECONOMIC FEASIBILITY ANALYSIS OF

    2021 5 21 Table 19 Components definition for simulation of chitosan production process 53 Table 20 Input streams for chitosan production process with chemical isolation of chitin 54 Table 21 Particle size distribution obtained for the outlet of the grinding unit 57 Table 22 Simulation results for the Filtering Unit 65 Table 23 Stream conditions

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  • Extraction and characterization of chitin and chitosan

    grinder The chitosan was prepared by deacetylation of chitin by treating with aqueous sodium hydroxide 1 1 w w at 90 to 95 C for 2 h After deacetylation the alkali was drained off and washed with tap water followed by distilled water Finally the chitosan was

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  • PDF Effects of shrimp chitosan on shelf life extension

    grinding machine for 3 min utes Chitosan the deacetylated form of chitin was dissolved in lactic acid and then irradiated to perform antimicrobial activity To conduct the experiment seven

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  • Shelflifeoffreshchilledporkasaffectedbyantimicrobialinterv

    2020 4 10 chitosan nisin and tea polyphenols along with their combination during storage at 4 C for 11 days The result showed that treatments with chitosan nisin and tea polyphenols alone significantly P < .05 reduced bacteria population total viable counts TVC lactic acid bacteria pseudomonas spp

    Get Price
  • Successful removal of p quinone with chitosan in an

    2004 1 1 Phenol oxidant is successfully removed by using chitosan particles in the aqueous phase Removal of p quinone by chitosan from crab shells was investigated kinetically from molecular weight MW of chitosan deacetylation degree DD and reaction temperature The rate constant assuming first ordered reaction on removal of p quinone in aqueous phase primarily depended on the MW of chitosan

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  • Multi membrane hydrogels

    2008 3 6 Polysaccharide based hydrogels show potential for drug delivery and tissue engineering applications for instance as a matrix to boost natural tissue regeneration Ladet et al use a multi step

    Get Price
  • Synthesis and Characterization of Chitosan Nanoparticles

    In this study chitosan nanoparticles CSNPs and chitosan nanoparticles botanical extracts EEA CSNPs ethanolic blueberry extract added chitosan nano particles and EMN CSNPs extract methanol of nanche added chitosan nano particles were characterized and evaluated in vitro ongrowth of Alternaria alternata isolated from Fig and Rosemary and Colletotrichum gloeosporioides isolated from

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  • Effect of Particle Size and HCl Concentration on the

    Effect of Particle Size and HCl on Chitosan Shell Crab Demineralization 57 waste consisting of 57 of the shell 3 of body reject and 20 of the remaining boiling water Utilization of small crab shell as raw material for making chitosan is a solution in reducing the volume of shell shell waste that continues to increase.

    Get Price
  • Extraction and Characterization of Chitin and Chitosan

    Chitosan is a biocompatible biodegradable nontoxic antibacterial antioxidant and antifungal natural polymer that is obtained by deacetylation of chitin which is mostly found in the exoskeleton of many crustaceans In this study chitin was chemically Dried shells were powdered by a grinder First step of

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  • Chitosan oligosaccharides attenuate loperamide induced

    2021 2 1 This study was designed to explore the improvement of chitosan oligosaccharides COS on constipation through regulation of gut microbiota Here we proved that COS treatment profoundly boosted intestinal motility restrained inflammatory responses improved water electrolyte metabolism and prevented gut barrier damage in constipated mice induced by loperamide.

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  • Effect of edible chitosan film enriched with anise

    Abstract In this study the effect of chitosan film CF with different concentrations of anise essential oil AEO 0 0.5 1 1.5 and 2 on the quality of chicken burger during chilled storage 4

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  • Microfibrillated cellulose films containing chitosan and

    2021 6 12 First bleached kraft pulp was adjusted to 3 wt /v 3 g/100 ml using either distilled water or the previously chitosan solution of 1 in acetic acid as the solution and was further fragmented using a 450 W blender for 10 min Afterwards it was subjected to further grinding using Super Masscolloider Masuko Sangyo Co Ltd Japan .

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  • Improved method for production of chitin and chitosan

    2020 3 1 1 Introduction Chitosan a deacetylated product of chitin is receiving increasing interest for sizable applications in food technology agriculture waste water treatment cosmetics and textile industry due to its non toxic biodegradable biocompatible and antimicrobial properties .The industrial production of chitin and chitosan has to be carried out at a large scale and at

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  • Optimization of salicylic acid and chitosan treatment for

    2020 5 19 In this study response surface methodology RSM and artificial neural network ANN was used to construct the predicted models of linear quadratic and interactive effects of two independent variables viz salicylic acid SA and chitosan CS for the production of amarogentin I swertiamarin II and mangiferin III from shoot cultures of Swertia paniculata Wall.

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  • Optimization of salicylic acid and chitosan treatment for

    2020 5 19 In this study response surface methodology RSM and artificial neural network ANN was used to construct the predicted models of linear quadratic and interactive effects of two independent variables viz salicylic acid SA and chitosan CS for the production of amarogentin I swertiamarin II and mangiferin III from shoot cultures of Swertia paniculata Wall.

    Get Price
  • Impact of Replacement of Gelatin with Chitosan on the

    This study has aimed to investigate effect of replacement gelatin with chitosan at rate 0 20 40 60 80 and 100 Significantly p≤0.05 the results show that total solids fat total protein pH values and specific gravity of mixes had not significant differences.

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  • Extraction and Evaluation of Chitosan Enhanced by Lippia

    2019 10 2 Chitosan is a natural nontoxic biopolymer derived from partial or total deacetylation of chitin a major component of the shells of crustacean such as crab shrimp and crawfish In recent years applications of chitosan to the fields of agriculture have received considerable attention 5 9 .

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  • Synthesis and Characterization of Chitosan Nanoparticles

    2018 5 2 This is the first time that incorporation of botanic extracts into na chitosan noparticles and their combined antifungical activity has been reported in the li terature 2 Materials and Methods 2.1 Materials Medium molecular weight deacetylation degree 75chitosan 85 Sigma Aldrich was used for the preparation of chitosan nanoparticles.

    Get Price
  • Successful removal of p quinone with chitosan in an

    2004 1 1 Phenol oxidant is successfully removed by using chitosan particles in the aqueous phase Removal of p quinone by chitosan from crab shells was investigated kinetically from molecular weight MW of chitosan deacetylation degree DD and reaction temperature The rate constant assuming first ordered reaction on removal of p quinone in aqueous phase primarily depended on the MW of chitosan

    Get Price
  • Effect of a chitosan edible‐coating enriched with Citrus

    2020 12 3 Chitosan is widely used for extending the shelf life of fruits by reducing the rate of the ripening process The leaves and peels were ground separately using an electric automatic feed processing type grinding machine BHARATH ENGINEERS 08APKPV8265M1ZT and then mixed After grinding the mixture was then dissolved in 1 l of distilled water

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  • chitosan grinding machine

    Biomedical Exploitation of Chitin and Chitosan via Mechano PDF Biomedical Exploitation of Chitin and Chitosan via Mechano The chitosan slurry was forced to pass through the wet grinding machine at the flow rate of 10 L/h

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  • ultra fine friction grinding machine

    2021 4 20 Grinder Our ultra fine friction grinding machine is equipped with special grinders which produce overwhelmingly fine and round shape particles of products These grinders have 150kinds and over variations classified in material itself material particle size or ditch style Besides anti bacterial grinders are added in our range which help

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  • PAPER OPEN ACCESS Comparative Characterization of

    2020 5 29 RGD like sequence 10 Chitosan and gelatin form polyelectrolyte complexes that increase the bond stability between the components 11 On the other hand gelatin is known to have a hydrophilic nature subjected to size reduction by using a mortar grinding machine and sieved through a

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