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Issue 23, 2011
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Co-operative self-assembly of cholesterol and γ-oryzanol composite crystals

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Abstract

Cholesterol and γ-oryzanol co-crystallization occurs when equal ratios of the two compounds or excess γ-oryzanol is present in the solution. Excess cholesterol produces macroscopic fibrillar crystals from the melt prior to the co-crystallization and formation of radial fine fibers under slow cooling conditions. The cholesterol fibrillar crystals then facilitate cholesterol-γ-oryzanol co-crystallization producing fine fibers that nucleate from the surface of the cholesterol crystals. Equal ratios of cholesterol and γ-oryzanol or excess γ-oryzanol allow the radial fine fibers to nucleate from the melt without the need of an internal crystal template.

Graphical abstract: Co-operative self-assembly of cholesterol and γ-oryzanol composite crystals

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Article information


Submitted
30 Jun 2011
Accepted
19 Sep 2011
First published
07 Oct 2011

CrystEngComm, 2011,13, 7049-7057
Article type
Paper

Co-operative self-assembly of cholesterol and γ-oryzanol composite crystals

M. A. Rogers, CrystEngComm, 2011, 13, 7049
DOI: 10.1039/C1CE05818E

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