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Articles

Physicochemical properties of carboxymethylated flamboyant (Delonix regia) seed gum
Propiedades fisicoquímicas de la goma carboximetilada de flamboyán (Delonix regia)

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Pages 169-176 | Received 06 Mar 2009, Accepted 04 Sep 2009, Published online: 23 Sep 2010

Figures & data

Figure 1. FTIR spectra (a) flamboyant native gum (FNG) and (b) carboxymethylated flamboyant gum (CFG).

Figura 1. Espectros de FTIR de la (a) goma nativa (FNG) y (b) carboximetilada (CFG) de flamboyán.

Figure 1. FTIR spectra (a) flamboyant native gum (FNG) and (b) carboxymethylated flamboyant gum (CFG). Figura 1. Espectros de FTIR de la (a) goma nativa (FNG) y (b) carboximetilada (CFG) de flamboyán.

Figure 2. Differential scanning calorimetry (DSC) profile of flamboyant native gum (FNG) and carboxymethylated flamboyant gum (CFG).

Figura 2. Calorimetría de barrido difrencial (CBD) de la goma nativa (FNG) y carboximetilada (CFG) de flamboyán.

Figure 2. Differential scanning calorimetry (DSC) profile of flamboyant native gum (FNG) and carboxymethylated flamboyant gum (CFG). Figura 2. Calorimetría de barrido difrencial (CBD) de la goma nativa (FNG) y carboximetilada (CFG) de flamboyán.

Figure 3. Swelling index (a) and water dispersion (b) of flamboyant native gum (FNG) (•) and carboxymethylated flamboyant gum (CFG) (▴) at different temperatures. a–dDifferent letters indicate statistical difference (p < 0.05).

Figura 3. Índice de hinchamiento (a) y dispersión en agua (b) de la goma nativa (FNG) (•) y carboximetilada (CFG) (▴) de flamboyán a diferentes temperaturas. a–dLetras diferentes indica diferencia estadística (p < 0.05).

Figure 3. Swelling index (a) and water dispersion (b) of flamboyant native gum (FNG) (•) and carboxymethylated flamboyant gum (CFG) (▴) at different temperatures. a–dDifferent letters indicate statistical difference (p < 0.05). Figura 3. Índice de hinchamiento (a) y dispersión en agua (b) de la goma nativa (FNG) (•) y carboximetilada (CFG) (▴) de flamboyán a diferentes temperaturas. a–dLetras diferentes indica diferencia estadística (p < 0.05).

Figure 4. Viscosity vs. shear rate curves for flamboyant native gum (FNG) (•) and carboxymethylated flamboyant gum (CFG) (▴).

Figura 4. Viscosidad contra velocidad de corte de la goma nativa (FNG) (•) y carboximetilada (CFG) (▴) de flamboyán.

Figure 4. Viscosity vs. shear rate curves for flamboyant native gum (FNG) (•) and carboxymethylated flamboyant gum (CFG) (▴). Figura 4. Viscosidad contra velocidad de corte de la goma nativa (FNG) (•) y carboximetilada (CFG) (▴) de flamboyán.

Figure 5. Load vs. displacement for gels from flamboyant native gum (FNG) (– –) and carboxymethylated flamboyant gum (CFG) (—).

Figura 5. Carga vs. desplazamiento de los geles de la goma nativa (FNG) (– –) y carboximetilada (CFG) (—) de flamboyán.

Figure 5. Load vs. displacement for gels from flamboyant native gum (FNG) (– –) and carboxymethylated flamboyant gum (CFG) (—). Figura 5. Carga vs. desplazamiento de los geles de la goma nativa (FNG) (– –) y carboximetilada (CFG) (—) de flamboyán.

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