Separation and purification of stigmasterol and β-sitosterol from phytosterol mixtures by solvent crystallization method

The separation and purification of stigmasterol and β-sitosterol from phytosterol mixtures by solvent crystallization method was studied based on the difference of the solubility of stigmasterol and β-sitosterol or the difference of solubility with temperature using n-pentanol or cyclohexanone as a...

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Bibliographic Details
Published in:Separation and purification technology 2005-02, Vol.41 (2), p.173-178
Main Authors: Xu, Wen Lin, Huang, Yi Bo, Qian, Jun Hong, Sha, Ou, Wang, Ya Qiong
Format: Article
Language:English
Subjects:
Applied sciences
Chemical engineering
Crystallization
Exact sciences and technology
Purification
Separation
Stigmasterol
β-Sitosterol
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Summary:The separation and purification of stigmasterol and β-sitosterol from phytosterol mixtures by solvent crystallization method was studied based on the difference of the solubility of stigmasterol and β-sitosterol or the difference of solubility with temperature using n-pentanol or cyclohexanone as a solvent. The experimental results showed that the content of β-sitosterol was over 85% after three stages of recrystallization operation in cyclohexanone and the content of stigmasterol was more than 90% after five stages of fractional crystallization operation in n-pentanol or cyclohexanone under the experimental operating conditions.
ISSN:1383-5866
1873-3794
DOI:10.1016/j.seppur.2004.02.005