نتایج جستجو برای: chitosan production

تعداد نتایج: 620292  

2015
B. Krishnaveni R. Ragunathan

Chitin (CH) and Chitosan (CS) have wide-scale biomedical applications and are being studied extensively for their antimicrobial activity. Aspergillus terreus CBNRKR KF529976, isolated from the marine soils of Pichavaram, Tamil Nadu was used for the economic production of Chitin and Chitosan using three different media-Sabouraud sucrose broth, Hesseltine and Anderson medium, Andrade et al medium...

Journal: :Revista Eletrônica Perspectivas da Ciência e Tecnologia - ISSN: 1984-5693 2017

احمدی, علی, سعادتی, مجتبی, سلیمیان, جعفر, عباسی, ابراهیم, قلاوند, مجدالدین,

Background and purpose: In recent years nanotechnology has a significant impact on various fields of human life, especially in pharmaceutical and medical needs. Some biopolymers such as chitosan which is also biocompatible are low cost and abundantly found, so, their application for vaccine production is cost benefit. Trimethyl chitosan is a deacetylated derivative of chitosan that could be use...

The present study examined the effects of chitosan (Ch) and chitosan combined with sodium tripolyphosphate (Nch) nanoparticles as coating materials for Cynoglossus arel fillets during superchilling storage. Treatments included the following: C (untreated, control samples), AC (treated with 1% glacial acetic acid, acid control), Ch (treated with 2% w/v chitosan solution, Chitosan) and Nch (treat...

2008
Xiaoyuan Kong Gary R Hellermann Weidong Zhang Prasanna Jena Mukesh Kumar Aruna Behera Sumita Behera Richard Lockey Shyam S Mohapatra

: The use of chitosan nanoparticles as carriers for expression plasmids represents a major improvement in gene expression technology. We demonstrated previously that treatment with chitosan interferon-gamma (IFN-gamma) plasmid deoxyribonucleic acid (DNA) nanoparticles (chitosan interferon-gamma nanogene [CIN]) led to in situ production of IFN-gamma and a reduction in inflammation and airway rea...

Journal: :Journal of microencapsulation 2006
K G Desai C Liu H J Park

In this paper, the effect of chitosan molecular weight on the characteristics (size, encapsulation efficiency, zeta potential, surface morphology and release rate) of vitamin C encapsulated tripolyphosphate cross-linked chitosan (TPP-chitosan) microspheres. The molecular weight of chitosan had a noticeable influence on the size, encapsulation efficiency, zeta potential, surface morphology and c...

Journal: :The British journal of nutrition 1997
A Razdan D Pettersson J Pettersson

One-day-old broiler chickens were fed on a control diet based on maize and maize starch or diets containing 30 g/kg of 89% deacetylated chitin (chitosan) or low-methoxyl (34% degree of esterification) pectin. Feeding of the chitosan diet to chickens significantly reduced body weights and feed intakes compared with animals fed on control or pectin diets on days 5 and 11 of the experiment. On day...

A Qaderi , F Fatehi , H Naghdi Badi , M Jalali Moghadam , M Tolyat , S Kalateh-jari , Z Akbari ,

Background: Trigonella foenum-graecum L. commonly known as fenugreek is a rich source of important medicinal metabolite, i.e. trigonelline. Objective: In this study, hairy roots culture as a novel method for trigonelline production was evaluated. Methods: For optimizing the hairy roots culture of Trigonella foenum-graecum, three strains of Agrobacterium rhyzogenes (ATCC15834, MSU440 and K...

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