Polysaccharide composition

The polysaccharide composition and structure of pectic polysaccharides present in fruit-derived products have been the aim of numerous studies [14-19]. However, the attention of scientists was focused on the analysis of rhamnogalacturonan I or so-called pectic hairy regions. As far as we know, the presence of RG-II in fruit juices has not been reported. 

Vardi A, Formiggini F, Casotti R, De Martino A, Ribalet F, Miralto A, Bowler C (2006) A stress surveillance system based on calcium and nitric oxide in marine diatoms. PLoS Biol 4 411 119 Vorwerk S, Somerville S, Somerville C (2004) The role of plant cell wall polysaccharide composition in disease resistance. Trends Plant Sci 9 203-209 Vreeland V, Laetsch WM (1990) A gelling carbohydrate in algal cell wall formation. In Adair WS, Mecham RP (eds) Organization and assembly of plant and animal extracellular matrix. Academic, San Diego, CA, ppl 37—171... 

We were successful earlier in achieving anioiuc/cationic complexes with glycosaminoglycans, e.g., hyaluronic acid/cationic polysaccharide compositions [44], now used in personal care applications. Those compositions are substantive, stable and user-friendly. Unfortunately, despite the highly anionic nature of hyaluronic acid (and other glycosaminoglycans), these materials do not block viral infections [39]. Furthermore, as shown by the in vivo rabbit irritation studies, such compositions displayed minimal irritation [13]. 

Overall Polysaccharide Composition of Potato Cell Walls... 

Genetic Manipulation of Cell-wall Polysaccharide Compositions... 

The polysaccharide compositions of potato cell walls have been genetically manipulated for two main reasons first to attempt to understand the functions of the different cell-wall polysaccharides, and second to improve the value of potato pulp waste. The yield of pectin extracted from the pulp would be improved by decreasing the proportion of cellulose in the walls. The gelling quality of this pectin would also probably be improved by reducing the proportion of RG-1 side chains (Sorensen et al., 2000). 

Longland, A. ., M. K. Theodorou, R. Sanderson, S. J. Lister, C. J. Powell, and P. Morris. 1995. Non-starch polysaccharide composition and in vitro fermentability of tropical forage legumes varying in phenolic content. Anim. Feed Sci. Technol. 55 ... 

Smith, B.G. and Harris, P.J. 1995. Polysaccharide composition of unlignified cell walls of pineapple [Ananas comosus (L.) Merr.] fruit. Plant Physiol. 107 1399-1409. 

Francioli, S., Buxaderas, S., and Pellerin, P. (1999). Influence of Botrytis cinerea on the polysaccharide composition of Xarel.lo musts and Cava base wines. Am.. Enol. Vitic. 50, 456-460. 

With mixed results, correlations have been attempted between polysaccharide composition and function. Beginning with simple sugars, sucrose (an a-D-glucopyranosyl-p-D-fructofuranoside) and maltose (an a-D-glucopyrano-syl-a-D-glucopyranose) are truly soluble cellobiose (a 1,4-(3-n-glucopyrano-... 

Inulin was identified as a major (5.9%) component of the roots of E. angustifolia (Heyl and Stanley, 1914). Giger et al. (1989) noted that polymerization of fructans occurred over the course of winter as observed by the reduction in fructose from October and May. The rate of polymerization was faster in E. purpurea than E. angustifolia, suggesting that other polysaccharides may develop in a similar manner. Additional research is needed to identify the effects of harvest time on polysaccharide composition. 

Reiter, W.-D. C., C. and Somerville, C. R., Mutants of arabidopsis thaliana with altered cell wall polysaccharide composition. Plant J 1997, 12 (2), 335-345. 

At the same time, 13C NMR spectra were used elucidating the structures of more-and more-complex galactans isolated from new species of the red seaweeds. All the papers of this kind are not mentioned, but several important early works should be cited, which gave evidence on the polysaccharide composition of numerous red seaweeds from the Sea of Japan,179 on the structural diversity of agar-like polysaccharides isolated from different species of the genus Gracilaria,421,422 and on the structure of carrageenans isolated from some new sources 423,424... 

A. I. Usov and N. G. Klochkova, Polysaccharides of algae. 45. Polysaccharide composition of red seaweeds from Kamchatka coastal waters (Northwestern Pacific) studied by reductive hydrolysis of biomass, Bot. Mar., 35 (1992) 371-378. 

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