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Abstract ▼ AI-Helper

Rheological properties of the aqueous solution of various polysaccarides and their effects as a stabilizer in fruit(peach) syrup and yogurt were investigated. Four kinds of modified starch(Sun Kolguard, Sun Registar, Mira Cleer 340 and Maps 449), three types of carrageenan(kappa, iota and lambda typ...

Rheological properties of the aqueous solution of various polysaccarides and their effects as a stabilizer in fruit(peach) syrup and yogurt were investigated. Four kinds of modified starch(Sun Kolguard, Sun Registar, Mira Cleer 340 and Maps 449), three types of carrageenan(kappa, iota and lambda types) and pectin were used in this study. The 5% aqueous solution of each modified starch was gelatinized at $66^{\circ}C$. After gelatinization, Sun Kolguard showed the highest viscosity among those samples. The synergistic effect of carrageenan on 5% aqueous solution of Sun Kolguard was studied by changing the mixing ratio, and the result showed that the ratio 90:10(Sun Kolguard:carageenan) had the maximum synergistic effect and the effect of iota type carrageenan was higher than that of other types. The effect of Sun Kolguard as a stabilizer in fruit syrup were superior to other modified starches studied. The gelatinization temperature of the addition of iota carrageenan in starch added fruit syrup changed from $66^{\circ}C$ of 5% aqueous solution to $82^{\circ}C$. Furthermore, the viscosity after cooling of syrup which made iota carrageenan and starch added fruit syrup was more increased than simple starch added fruit syrup. The mixture of 90% Sun Kolguard and 10% iota carrageenan were estimated as the most appropriate stabilizer for manufacturing the fruit syrup and yogurt adding fruit syrup.

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