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Gliadens CAN be separated from Glutenins. One method is by ethanol. Also, Gliadens are not a precursor to Glutenins. They are different types. Gliadens are momomers and are soluble in 50 % ethanol. Glutenins are polymers, are insoluble in ethanol and are of a high molecular weight. In water, Gliadens present as a honey-like viscous fuid whereas glutenins are of a low extensibility, very strong and mainly elastic.
The

The mixture of the two is what about for visocelastic properties and extensibility of "gluten" with gliadens functioning mainly as a plasticizer for glutens depending on homogeneous mixing.   

(paraphrased from source- The Role of Gluten Elasticity in the Baking Quality of Wheat, R. Kieffer, MühlenchemieThe Role of Gluten Elasticity in the Baking Quality of Wheat, R. Kieffer, Mühlenchemie - retrieved February 26, 2018)

Gliadens CAN be separated from Glutenins. One method is by ethanol. Also, Gliadens are not a precursor to Glutenins. They are different types. Gliadens are momomers and are soluble in 50 % ethanol. Glutenins are polymers, are insoluble in ethanol and are of a high molecular weight. In water, Gliadens present as a honey-like viscous fuid whereas glutenins are of a low extensibility, very strong and mainly elastic.
The mixture of the two is what about for visocelastic properties and extensibility of "gluten" with gliadens functioning mainly as a plasticizer for glutens depending on homogeneous mixing.  (paraphrased from source- The Role of Gluten Elasticity in the Baking Quality of Wheat, R. Kieffer, Mühlenchemie - retrieved February 26, 2018)

Gliadens CAN be separated from Glutenins. One method is by ethanol. Also, Gliadens are not a precursor to Glutenins. They are different types. Gliadens are momomers and are soluble in 50 % ethanol. Glutenins are polymers, are insoluble in ethanol and are of a high molecular weight. In water, Gliadens present as a honey-like viscous fuid whereas glutenins are of a low extensibility, very strong and mainly elastic.

The mixture of the two is what about for visocelastic properties and extensibility of "gluten" with gliadens functioning mainly as a plasticizer for glutens depending on homogeneous mixing. 

(paraphrased from source- The Role of Gluten Elasticity in the Baking Quality of Wheat, R. Kieffer, Mühlenchemie - retrieved February 26, 2018)

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Gliadens CAN be separated from Glutenins. One method is by ethanol. Also, Gliadens are not a precursor to Glutenins. They are different types. Gliadens are momomers and are soluble in 50 % ethanol. Glutenins are polymers, are insoluble in ethanol and are of a high molecular weight. In water, Gliadens present as a honey-like viscous fuid whereas glutenins are of a low extensibility, very strong and mainly elastic.
The mixture of the two is what about for visocelastic properties and extensibility of "gluten" with gliadens functioning mainly as a plasticizer for glutens depending on homogeneous mixing. (paraphrased from source- The Role of Gluten Elasticity in the Baking Quality of Wheat, R. Kieffer, Mühlenchemie - retrieved February 26, 2018)