What is methyl cellulose? What is its role in baking?
Release time:
2023-02-17
Source:
reticulation
Methyl cellulose is a derivative of cellulose obtained from the bark, wood or leaves of plants such as cotton. Due to the limited function of cellulose, products such as MC have been commercially produced since the 1920s in Germany and 1938 in the United States.
Function
MC forms thermoreversible gels that can be used as thickeners in food products. Due to its surface activity, it is also used as an emulsifier, stabilizer for aqueous suspensions, or film-forming agent.
Commercial production
MC is derived from cellulose in wood and cotton. Cellulose flake pulp is alkalized and reacted with methyl chloride to form cellulose ether. The crude product is dispersed in hot water and recovered by separation and filtration or centrifugation. The final pure MC product is obtained by drying and grinding.
Composition and Physical and Chemical Properties
MC is a simple cellulose ether in which the methyl group ( -CH3 ) replaces the hydroxyl group at the C-2, C-3 and/or C-6 positions of the anhydrous glucose unit. It is amphiphilic and soluble in water/organic substances under suitable conditions.
It is commercially available in various degrees of substitution (DS), which determines its solubility and gel properties. At a DS of 1.3-2.5, MC is water soluble, while at higher DS (>2.5) it is soluble only in organic solvents.
Domestic trade
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