𝔖 Bobbio Scriptorium
✦   LIBER   ✦

X-ray diffraction of oriented amylose fibers. III. The structure of amylose–n-butanol complexes

✍ Scribed by M. E. Hinkle; H. F. Zobel

Publisher
Wiley (John Wiley & Sons)
Year
1968
Tongue
English
Weight
621 KB
Volume
6
Category
Article
ISSN
0006-3525

No coin nor oath required. For personal study only.

✦ Synopsis

Synopsis

Complexes of amylose with n-butanol were prepared both as crystalline precipitates and as oriented fibers. These complexes were subjected to x-ray analysis, their unit cells were calculated, and the space group of F212121 was confirmed. n-Butanol complexes exist in both hydrated and anhydrous forms. There is no evidence for methanol, ethanol, or n-propanol structures similar to those shown by the n-butanol complex. The complexes are unstable in the open air and revert to V-amylose hydrate on standing.

📜 SIMILAR VOLUMES

Monitoring the crystallization of amylos
Monitoring the crystallization of amylose–lipid complexes during maize starch melting by synchrotron x-ray diffraction
✍ P. Le Bail; H. Bizot; M. Ollivon; G. Keller; C. Bourgaux; A. Buléon 📂 Article 📅 1999 🏛 Wiley (John Wiley & Sons) 🌐 English ⚖ 333 KB 👁 2 views

Most starch granules exhibit a natural crystallinity, with different diffraction patterns according to their botanical origin: A-type from cereals and B-type from tubers. The V polymorph results essentially from the complexing of amylose with compounds such as iodine, alcohols, or lipids. The intens