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  • 1
    Electronic Resource
    Electronic Resource
    Emulsification properties of chitosan (1998)
    Springer
    Colloid & polymer science 276 (1998), S. 1159-1165 
    Details
    ISSN: 1435-1536
    Keywords: Key words Chitosan ; HLB ; food emulsions ; cationic polyelectrolytes ; multiple emulsions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract  The chitosans use as an emulsifier in food emulsions was explored. The properties of chitosan (air/solution surface activity, electrical conductivity, HLB) were studied. The obtained emulsions were stable multiple w/o/w emulsions, whose characteristics were explained on the basis of the emulsifier structure and solution properties. The reaction with an anionic surfactant, sodium dodecylsulfate, was also studied, giving a water-insoluble complex at a given surfactant/chitosan ratio.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960050359
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Study of the required HLB for the solubilization of cholesterol in aqueous solution (1998)
    Springer
    Colloid & polymer science 276 (1998), S. 87-91 
    Details
    ISSN: 1435-1536
    Keywords: Key words Cholesterol ; solubilization ; HLB ; mixed micelles ; emulsions ; critical micelle concentration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract  The solubilization of cholesterol by anionic surfactant mixtures was studied as a function of their HLB values. The relationship between the logarithm of the critical micelle concentration and the HLB value of the mixtures was not linear, which was attributed to a lack of strict additivity of the HLB values. The solubilized cholesterol/surfactant ratio was determined and it was found to be higher than that in bile salts in all the studied surfactant mixtures. Below HLB=24, emulsions were obtained, and the remaining cholesterol was solid. Above that value, limpid solutions were obtained, giving a solubility maximum at HLB≈35. The non-solubilized cholesterol was mainly in the form of lamellar mesophase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003960050213
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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