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Premna (premna microphylla) are verbenaceae, wild premna is a deciduous shrub, its leaves are rich in pectin and proteins, of making traditional folk use their leaves "immortal tofu". Text in the to tofu Chai Ye for raw materials, used acid solutions and combination organic solvent precipitation for pectin extraction, perfect its separation, and purification of technology, and determination its physico-chemical nature, are color uniform of pectin, its ester of of for 74.6%, and national provisions standard match, combination artificial synthesis coagulation rubber agent for agglutination and complex coagulation test, revealed has "immortal tofu" formation of preliminary mechanism, tofu of formation margin Yu pectin molecular in the half lactose using glyoxylic acid as and second price alkaline earth ion cross joint caused by, for development tofu wood resources and artificial making green tofu in tourism life in the of application provides has theoretical basis.

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.

Premna (premna microphylla) are verbenaceae, wild premna is a deciduous shrub, its leaves are rich in pectin and proteins, of making traditional folk use their leaves "immortal tofu". Text in the to tofu Chai Ye for raw materials, used acid solutions and combination organic solvent precipitation for pectin extraction, perfect its separation, and purification of technology, and determination its physico-chemical nature, are color uniform of pectin, its ester of of for 74.6%, and national provisions standard match, combination artificial synthesis coagulation rubber agent for agglutination and complex coagulation test, revealed has "immortal tofu" formation of preliminary mechanism, tofu of formation margin Yu pectin molecular in the half lactose using glyoxylic acid as and second price alkaline earth ion cross joint caused by, for development tofu wood resources and artificial making green tofu in tourism life in the of application provides has theoretical basis.

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.