Bean curd premna microphylla) of wood (verbenaceae, bean curd of wood of a kind of leaves, and the leaves the bush wild pectin and rich in protein, multi-purpose make traditional folk leaves of "the fairy tofu". The bean curd, wood as raw material, through acid solution and combined with organic solvent extraction, perfect for pectin precipitate the separation, purification technology, and determine the physical and chemical properties, get even color of pectin, the esterification degree is 74.6%, and the standards prescribed by the state, synthetic gel is combined with the agent for aggregation and complex hemagglutination, and reveals the "the fairy tofu" formation mechanism of the formation of the preliminary, bean curd from pectin molecules galacitiol and alkaline acid bivalent ion crosslinking be caused by, for the development of resource and bean curd wood make artificially green bean curd in tourism in the life of the applied to provide the theory basis.
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