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- Title
Study of the retrogradation behaviour of rice cake using rapid visco analyser, Fourier transform infrared spectroscopy and X-ray analysis.
- Authors
Ying Ji; Kexue Zhu; Huiming Zhou; Haifeng Qian
- Abstract
Retrogradation of gelatinised starch is the main phenomenon that influences the texture of MiGao (rice cake). The hardness of the MiGao increased during stored at 25 °C for 5 days. Rapid visco analyser (RVA), Fourier transform infrared (FT-IR) spectroscopy and X-ray were quantified to analysis the retrogradation behaviour of MiGao. The most significant change in the pasting curve was the increase in peak viscosity over time measured with an RVA. FT-IR indicated changes in crystallinity of the MiGao crumb. The X-ray diffraction patterns could be classified as typical of A-type starch for the fresh MiGao. With aging, the B-type structure increases, while the A-type structure remains virtually unchanged. All the results suggested that the main mechanism underlying the changes in properties is suggested to be slow amylopectin crystallisation.
- Subjects
RICE cakes; X-rays; FOURIER transform infrared spectroscopy; SNACK food industry; PULLULANASE
- Publication
International Journal of Food Science & Technology, 2010, Vol 45, Issue 5, p871
- ISSN
0950-5423
- Publication type
Article
- DOI
10.1111/j.1365-2621.2010.02203.x