Water effect on the interaction between amylose and amylopectin during retrogradation

Xing Zhou, Ren Wang, Sang Ho Yoo, Seung Taik Lim

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Possible interactions between amylose (AM) and amylopectin (AP) during a temperature cycled retrogradation (4/30°C 1 day at each temperature, 2 days) in aqueous pastes/gels of corn starch and reconstituted mixtures of AM and AP (1:3 weight ratio) were examined at different water levels (60-90%). With the pastes containing 90% water, no AP crystallization was observed under a differential scanning calorimeter in waxy starch or the starches containing AM. With 80% water, AP crystallization was not observed in waxy starch but it was found in the starches containing AM. With 70% water, AP crystallization was facilitated by the presence of AM. With 60% water, however, AP crystallization was found not to be affected by AM presence. It was evident that the presence of AM (25%) affected AP crystallization during retrogradation but only when the water content in starch pastes/gels was proper (70-80% in this study).

Original languageEnglish
Pages (from-to)1671-1674
Number of pages4
JournalCarbohydrate Polymers
Volume86
Issue number4
DOIs
Publication statusPublished - 2011 Oct 15

Fingerprint

Amylopectins
Amylopectin
Amylose
Starch
Crystallization
Water
Ointments
Gels
Water levels
Calorimeters
Water content
Scanning
Temperature

Keywords

  • Amylopectin
  • Amylose
  • Interaction
  • Retrogradation

ASJC Scopus subject areas

  • Organic Chemistry
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Water effect on the interaction between amylose and amylopectin during retrogradation. / Zhou, Xing; Wang, Ren; Yoo, Sang Ho; Lim, Seung Taik.

In: Carbohydrate Polymers, Vol. 86, No. 4, 15.10.2011, p. 1671-1674.

Research output: Contribution to journalArticle

Zhou, Xing ; Wang, Ren ; Yoo, Sang Ho ; Lim, Seung Taik. / Water effect on the interaction between amylose and amylopectin during retrogradation. In: Carbohydrate Polymers. 2011 ; Vol. 86, No. 4. pp. 1671-1674.
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