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Original Articles

Dielectric and Thermal Properties of Rice Cake Formulations Containing Different Gums Types

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Pages 1199-1206 | Received 08 Nov 2008, Accepted 03 May 2009, Published online: 04 Jun 2010

Figures & data

Table 1 Onset (To), peak (Tp), conclusion (Tc) temperatures of gelatinization, gelatinization enthalpies (ΔH), dielectric constant (ϵ′), and dielectric loss factor (ϵ′′) values of the rice cake batters

Table 2 Dielectric constants and dielectric loss factors of gum types in powder form and rice flour

Table 3 Bulk densities of hydrocolloids in powder form and rice flour

Figure 1 Effect of temperature change on dielectric constant values of gluten-free cake batters (♦ : control; ▪ : xanthan gum; ▴ : guar gum; Δ : xanthan - guar gum; □ : locust bean gum; * : HPMC; ○ : carrageenan; and ⋄ : xanthan - carrageenan).

Figure 1 Effect of temperature change on dielectric constant values of gluten-free cake batters (♦ : control; ▪ : xanthan gum; ▴ : guar gum; Δ : xanthan - guar gum; □ : locust bean gum; * : HPMC; ○ : carrageenan; and ⋄ : xanthan - carrageenan).

Figure 2 Effect of temperature change on dielectric loss factor values of gluten-free cake batters (♦ : control; ▪ : xanthan gum; ▴ : guar gum; Δ : xanthan - guar gum; □ : locust bean gum; * : HPMC; ○ : carrageenan; and ⋄ : xanthan - carrageenan).

Figure 2 Effect of temperature change on dielectric loss factor values of gluten-free cake batters (♦ : control; ▪ : xanthan gum; ▴ : guar gum; Δ : xanthan - guar gum; □ : locust bean gum; * : HPMC; ○ : carrageenan; and ⋄ : xanthan - carrageenan).

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