Polysaccharide Biotechnology

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Polysaccharide Biotechnology composition

" It has been stated that polysaccharides are relatively simple substances with little variety in terms of their framework and their software in an commercial or medical contact. ” Write an essay giving a reasoned treatise why one does or do not agree with this kind of statement. Within your answer, compare and contrast the composition, costs of production, possibility for chemical/enzymatic modification as well as the industrial applying two structural polysaccharides (such as pectins and celluloses), 2 ocean polysaccharides (alginate and chitosan) and a couple of bacterial polysaccharides (xanthan and gellan gum).

You might not have thought that even though the basis of polysaccharides are from extremely similar building block of furanose carbohydrate diamond ring structure or perhaps pyranose, it is potential biotechnological application will be vast given its various functional and structural properties. Unlike necessary protein, polysaccharide are often homopolymers produced from hexose or perhaps pentose residues. One example of homopolysaccharides or perhaps single kind of sugar is cellulose while heteropolysaccharides with two or more sugars is guar gum which will consist of mannose and galactose.

Framework of homopolysaccharide (Foster 2013)

Some of the factors responsible for range in polysaccharide structure is usually its hydrodynamic properties where branced sequence are common as well as the manner of hexose and pentose linkage which will contributes to distinct chain formation. Structural polysaccharide are polysaccharide that are requires in creating the framework of creatures such as cellulose in plant life and chitin in bugs and crabs. Pectin can be described as structural polysaccharide mainly seen in the primary cellular walls of terrestrial plant life where they contribute to physiological processes just like cell difference and cellular growth. Pectin extraction can be achieved by enzymatic extraction high are four main digestive enzymes that can make up to it. The first is pectin lyase that make bonds crack...

References: Ali, A., Muhammad, M., Sijam, K. and Siddiqui, Sumado a. (2011). Effect of chitosan films on the physicochemical characteristics of Eksotika 2 papaya (Carica papaya L) fruit during cold storage. Food hormone balance, 124(2), pp. 620--626.

Financial Analysis of Postharvest Technologies for Fruit and vegetables - Google Livres. 2014. Economic Examination of Postharvest Technologies for Vegetables [ONLINE] Available at: http://books.google.fr/books?id=L5M2AgAAQBAJ&pg=PA84&lpg=PA84&dq=postharvest+cost+chitosan&source=bl&ots=RFZoi8lUzv&sig=apa3Ltqp9hZTv-neiQius0g7SK4&hl=fr&sa=X&ei=RTxaU77COuiV0QX00oGIDw&ved=0CDMQ6AEwAA#v=onepage&q=postharvest%20cost%20chitosan&f=false. [Accessed 11 Apr 2014].

Create, T 2013, Fundamentals of polysaccharide framework, lecture notes sent out in Commercial and Biomedical Macromolecules at The University of Nottingham.

Tombs, M. and Harding, H. (1998). An introduction to polysaccharide biotechnology. 1st ed. Greater london: Taylor & Francis.

Understanding food chemicals, (2014). An intro to pectin. [online] Sold at: http://www.understandingfoodadditives.org/activities/G2.com [Accessed 10 Apr. 2014].


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