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Original Articles

Morphology and gelation properties of konjac glucomannan: Effect of microwave processing

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Pages 3023-3032 | Received 23 Jul 2016, Accepted 07 Dec 2016, Published online: 31 Mar 2017

Figures & data

Figure 1. Breaking force (a) and deformation (b) of the KGM gels treated with different heating methods.

Figure 1. Breaking force (a) and deformation (b) of the KGM gels treated with different heating methods.

Figure 2. Mechanical spectra of storage modulus (G’), loss modulus (G’’), and loss tangent (tanδ) for 3% KGM gels at room temperature (25°C).

Figure 2. Mechanical spectra of storage modulus (G’), loss modulus (G’’), and loss tangent (tanδ) for 3% KGM gels at room temperature (25°C).

Figure 3. Microstructures (×5000 and ×20000) of KGM gels treated with different heating methods. a) Microwave 300w 10min (×5000); b) Microwave 300w 10min (×20000); c) Water bath 1 h (×5000); d) Water bath 1 h (×20000).

Figure 3. Microstructures (×5000 and ×20000) of KGM gels treated with different heating methods. a) Microwave 300w 10min (×5000); b) Microwave 300w 10min (×20000); c) Water bath 1 h (×5000); d) Water bath 1 h (×20000).

Figure 4. Effect of guanidine hydrochloride on the turbidity of gel hydrolysate.

Figure 4. Effect of guanidine hydrochloride on the turbidity of gel hydrolysate.

Figure 5. FT-IR spectra of KGM samples produced by different heating methods.

Figure 5. FT-IR spectra of KGM samples produced by different heating methods.

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