Rheological properties of chitosan solutions

Jae Kwan Hwang; Hae Hun Shin

Korea-Australia Rheology Journal, Vol.12, No.3-4, 175-179, December, 2000

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Rheological properties of chitosan solutions

Jae Kwan Hwang^†, and Hae Hun Shin¹

Bioproducts Research Center, Yonsei University, Seoul, 120-749, Korea
¹Department of Food Marketing, Cheonan College of Foreign Studies, Cheonan 330-705, Korea

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Rheological properties of chitosan solutions were investigated as a function of polymer concentration. The viscosity curves for chitosan solutions consisted of two distinct viscosity regions, the Newtonian zero-shear viscosity (η(0)) region and the shear rate dependent apparent viscosity (η(app)) region. The shear rate dependence of viscosity was more clearly observed at higher chitosan concentration. The critical coil overlap parameter (C(*)[η]) was determined to be approximately 3.2 from a plot of zero-shear specific viscosity (η(sp,o)) vs coil overlap parameter (C[η]), which was lower than C[η] 4.0 reported for other random coil polysaccharides. It was also found that the slope of η(sp,o) vs C[η] was 3.9 at concentrated C[η]>C(*)[η] domain, while 1.2 at dilute C[η]

Keywords:Chitosan;Rheology;Viscosity;Coil overlap parameter

[References]

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Hwang JK, Korean J. Food Sci. Technol., 27, 799 (1995)
Hwang JK, Kokini JL, Carbohydr. Polym., 19, 41 (1992)
Hwang JK, Kokini JL, J. Texure Stud., 22, 123 (1991)
Hwang JK, Hong SP, Kim CT, J. Food Sci. Nutr., 2, 1 (1997)
Kina K, Tamura K, Ishibashi J, Jpn. Analist, 23, 1082 (1974)
Knorr D, Food Tech., 45, 114 (1991)
Knorr D, Food Tech., 38, 85 (1984)
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Nielsen LE, Polym. Rheol., Marcell Dekker, Inc., 48 (1977)
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No HK, Meyers SP, Lee KS, J. Agric. Food Chem., 37, 575 (1989)
Peter MG, J. Macromol. Sci.-Pure Appl. Chem., A32, 629 (1995)
Roberts GAF, Domszy JG, Int. J. Biol. Macromol., 4, 374 (1982)
Smithrod D, Haug AA, Biopolymers, 12, 1213 (1971)
Steffe JF, Rheological Methods in Food Process Engineering, Freeman Press, East Lansing, MI, 1 (1992)
Suzuki K, Tokoro A, Okawa Y, Suzuki S, Suzuki M, Chem. Pharm. Bull., 33, 886 (1985)
Varum KM, Ottyand MH, Smidsrd O, Carbohydr. Polym., 25, 65 (1994)

[1] Allan GG, Altman LC, Bensinger DK, Ghosh Y, Hirabayashi Y, Neogi AN, Neogi S, Biomedical Application of Chitin and Chitosan. In Chitin, Chitosan and Related Enzymes, Zikakis, J.P.(ed.), Academic Press, New York, p. 119 (1984)

[2] Graessley WW, Adv. Polym. Sci., 16, 1 (1974)

[3] Hirano S, Sato N, Yoshida S, Kitagawa A, Chemical Modification of Chitin and Chitosan, and Their Novel Modification. In Industrial Polysaccharides, Yalpani, M.(ed.), Elsevier, New York, p. 163 (1987)

[4] Hwang JK, Korean J. Food Sci. Technol., 27, 799 (1995)

[5] Hwang JK, Kokini JL, Carbohydr. Polym., 19, 41 (1992)

[6] Hwang JK, Kokini JL, J. Texure Stud., 22, 123 (1991)

[7] Hwang JK, Hong SP, Kim CT, J. Food Sci. Nutr., 2, 1 (1997)

[8] Kina K, Tamura K, Ishibashi J, Jpn. Analist, 23, 1082 (1974)

[9] Knorr D, Food Tech., 45, 114 (1991)

[10] Knorr D, Food Tech., 38, 85 (1984)

[11] Launay B, Doublier JL, Cuvelier G, Flow Properties of Aqueous Solutions and Dispersions of Polysaccharides. In Functional Properties of Food Macromolecules. Mitchell, J.R. and Ledward, D.A.(eds.), Elsevier Appled Science Publishers, New York, 12 (1986)

[12] Li Q, Dunn ET, Grandmaison EW, Goosen MFA, Applications and Properties of Chitosan. In Applications of Chitin and Chitosan. Goosen, M.F.A.(ed.), Technomic Publishing Co., Lancaster, 3 (1997)

[13] Morris ER, Polysaccharide Solution Properties: Origin, Rheological Characterization and Implications for Food Systems. In Frontier in Carbohydrate Research-1: Food Applications Millane, R.P., J.N., BeMiller and R. Chandrasekaran, Elsevier Applied Science, New York, 145 (1989)

[14] Morris ER, Cutler AN, Ross-Murphy SB, Rees DA, Price J, Carbohydr. Polym., 1, 5 (1981)

[15] Muzzarelli RAA, Chitin and Chitosan: Unique Cationic Polysaccharides. In Towards a Carbohydrate-based Chemistry, Commission of the European Communities, 199 (1990)

[16] Muzzarelli RAA, Carbohydr. Polym., 29, 309 (1996)

[17] Nielsen LE, Polym. Rheol., Marcell Dekker, Inc., 48 (1977)

[18] Nishimura K, Nishimura S, Nishi N, Saiki I, Tokura S, Azuma I, Immunological Activity Ofchitin and Its Derivatives, Vaccine, 2, 93 (1984)

[19] No HK, Meyers SP, Lee KS, J. Agric. Food Chem., 37, 575 (1989)

[20] Peter MG, J. Macromol. Sci.-Pure Appl. Chem., A32, 629 (1995)

[21] Roberts GAF, Domszy JG, Int. J. Biol. Macromol., 4, 374 (1982)

[22] Smithrod D, Haug AA, Biopolymers, 12, 1213 (1971)

[23] Steffe JF, Rheological Methods in Food Process Engineering, Freeman Press, East Lansing, MI, 1 (1992)

[24] Suzuki K, Tokoro A, Okawa Y, Suzuki S, Suzuki M, Chem. Pharm. Bull., 33, 886 (1985)

[25] Varum KM, Ottyand MH, Smidsrd O, Carbohydr. Polym., 25, 65 (1994)