Influence of starch pretreatment on yield of cyclodextrins and performance of ultrafiltration membranes

A. M. Mimi Sakinah, A. F. Ismail, Osman Hassan, A. W. Zularisam, Rosli Md Illias

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The effect of starch pretreatment temperature and exposure time of raw tapioca starch on cyclodextrins (CDs) production and membrane performance using Thermoanaerobacter cyclodextrin glycosyltransferase (CGTase) were investigated in this study. Response surface methodology (RSM) was used to identify the optimum amount of CDs produced. Results indicated that the optimal exposure time and pretreatment temperature for optimum CDs production were 1 h and 70 oC, respectively. Employment of this critical condition (70 oC) as the starch pretreatment temperature, promoted high CDs production and better preservation on the starch granule structure and increased as such as 93% and 94% of swelling power and leached amylose, respectively. In the case of starch pretreatment temperature that is above the critical value (70 oC), such application would apparently increase the solution viscosity and hydraulic resistance that subsequently decrease the membrane flux, despite increasing the CDs yield, suggesting that temperature is a crucial factor in determining the efficiency of CDs production, in particularly in the continuous system.

Original languageEnglish
Pages (from-to)317-333
Number of pages17
JournalDesalination
Volume238
Issue number1-3
DOIs
Publication statusPublished - Apr 2009

Fingerprint

Cyclodextrins
Ultrafiltration
ultrafiltration
Starch
starch
membrane
Membranes
temperature
Temperature
Amylose
swelling
viscosity
Swelling
hydraulics
Hydraulics
Viscosity
Fluxes
exposure

Keywords

  • Cyclodextrins
  • Enzymatic membrane reactor
  • Starch pretreatment
  • Tapioca starch
  • Ultrafiltration

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Mechanical Engineering
  • Chemistry(all)
  • Materials Science(all)
  • Water Science and Technology

Cite this

Mimi Sakinah, A. M., Ismail, A. F., Hassan, O., Zularisam, A. W., & Illias, R. M. (2009). Influence of starch pretreatment on yield of cyclodextrins and performance of ultrafiltration membranes. Desalination, 238(1-3), 317-333. https://doi.org/10.1016/j.desal.2007.12.036

Influence of starch pretreatment on yield of cyclodextrins and performance of ultrafiltration membranes. / Mimi Sakinah, A. M.; Ismail, A. F.; Hassan, Osman; Zularisam, A. W.; Illias, Rosli Md.

In: Desalination, Vol. 238, No. 1-3, 04.2009, p. 317-333.

Research output: Contribution to journalArticle

Mimi Sakinah, AM, Ismail, AF, Hassan, O, Zularisam, AW & Illias, RM 2009, 'Influence of starch pretreatment on yield of cyclodextrins and performance of ultrafiltration membranes', Desalination, vol. 238, no. 1-3, pp. 317-333. https://doi.org/10.1016/j.desal.2007.12.036
Mimi Sakinah, A. M. ; Ismail, A. F. ; Hassan, Osman ; Zularisam, A. W. ; Illias, Rosli Md. / Influence of starch pretreatment on yield of cyclodextrins and performance of ultrafiltration membranes. In: Desalination. 2009 ; Vol. 238, No. 1-3. pp. 317-333.
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