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Mohamed, L., Zakaria, M., Ali, A., Senhaji, W., Mohamed, O., Mohamed, E., Hassan, B. and Mohamed, J. (2007) Optimization of Growth and Extracellular Glucoamylase Production by Candida famata Isolate. African Journal of Biotechnology, 6, 2590-2595.

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• TITLE: Pasting Properties of White Corn Flours of Anoman 1 and Pulut Harapan Varieties as Affected by Fementation Process

  AUTHORS: Rahmawati Farasara, Purwiyatno Hariyadi, Dedi Fardiaz, Ratih Dewanti-Hariyadi

  KEYWORDS: Pasting, Corn Flour, White Corn, Fermentation

  JOURNAL NAME: Food and Nutrition Sciences, Vol.5 No.21, November 5, 2014

  ABSTRACT: This research was aimed to evaluate the pasting properties of white corn flour made from Anoman 1 and Pulut Harapan varieties as affected by the fermentation process of the corn grits. The fermentation process studied were 1) spontaneous fermentation (SF); 2) fermentation with the addition of a complete starter culture at 0 hour (CC fermentation) and 3) fermentation of (CC) with additional inoculation of starter culture containing amylolytic microorganisms at 16 hours (AC fermentation). The evaluation of pasting properties was done on the flour made from corn grits fermented for 0, 36, 48, and 72 hours. Our results showed that pasting properties of corn flour of Anoman 1 and Pulut Harapan varieties were affected by fermentation process. Addition of starter culture in the fermentation showed more complex effect on the pasting properties and was a function of the fermentation time. Fermentation process of corn grits affected the pasting properties of the resulted flour, both for Anoman I and Pulut Harapan corn varieties. The differences in the effect of fermentation process on the pasting properties were due to the different amylose/amylopectin content. AC fermentation of corn grits could increase the stability of paste for flour containing higher amylose content but decrease the stability of paste for flour containing high amylopectin. Specifically, CC fermentation caused significant increase in the peak viscosity value especially for corn flour of Pulut Harapan. Fermentation for up to 48 h had resulted in corn flour of Pulut Harapan variety having a higher PV value, but it did not affect the tendency to retrograde.