Biotechnology Letters

, Volume 36, Issue 3, pp 531–536

Production of fructose from highly concentrated date extracts using Saccharomyces cerevisiae

  • Meilana Dharma Putra
  • A. E. Abasaeed
  • S. M. Al-Zahrani
  • M. H. Gaily
  • A. K. Sulieman
  • M. A. Zeinelabdeen
  • H. K. Atiyeh
Original Research Paper

DOI: 10.1007/s10529-013-1388-y

Cite this article as:
Putra, M.D., Abasaeed, A.E., Al-Zahrani, S.M. et al. Biotechnol Lett (2014) 36: 531. doi:10.1007/s10529-013-1388-y

Abstract

Large amounts of low-quality dates produced worldwide are wasted. Here, highly concentrated fructose syrups were produced via selective fermentation of date extracts with Saccharomyces cerevisiae. Syrups with 95.4–99.9 % (w/w) fructose yields were obtained from date extracts having an initial sugar range of 49–374 g/l without media supplementation; the corresponding ethanol yields were between 69 and 52 % (w/w). At 470 g initial sugars/l, fructose and ethanol yields were 84 and 47 % (w/w), respectively, and the product contained 62 % (w/w) fructose, which is higher than the widely available commercial 42 and 55 % (w/w) high fructose corn syrups. The commercial potential for conversion of waste dates to high-value products is thus demonstrated.

Keywords

DatesEthanolFructoseHigh fructose syrupSaccharomyces cerevisiaeSelective fermentation

Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Meilana Dharma Putra
    • 1
  • A. E. Abasaeed
    • 1
  • S. M. Al-Zahrani
    • 1
  • M. H. Gaily
    • 1
  • A. K. Sulieman
    • 1
  • M. A. Zeinelabdeen
    • 1
  • H. K. Atiyeh
    • 2
  1. 1.Department of Chemical Engineering, College of EngineeringKing Saud UniversityRiyadhSaudi Arabia
  2. 2.Biosystems and Agricultural EngineeringOklahoma State UniversityStillwaterUSA