Studies On Extracting Dietary Fiber Of Sugar Beet Pulp And Carboxymetylation

℃To get products in high quality, by using the technology of microwave-induced extraction, enzyme protein, and chloroacetic acid solvent to transform sugar beet pulp dietary fiber(SBP) in the research,combined their merits, explored the best technological extracting and transforming SBP. The results are as follows:1. Results showed that the optimum microwave-induced extraction was as follows: 20 particle size of raw material, the solution of hydrochloric acid pH2, liquid-to-solid ratio 16:l(ml/g), 900w power of microwave, four times radiation with 75 seconds per time. Under these extracting conditions, comparing with raw material weight, the 20.01 % of pectin with 63 viscosity, and 76.15 % of residue was obtained.2. Results showed that the optimum enzymolysis was as foliows:0.20percent concentration of papain, hydrolysis 65℃, hydrolysis time 60min,added two times, ,and liquid-to-solid ratio 13:l(ml/g) with pH 6.6, under these conditions, the final product with 1.44% protein , and 64.36% of IDF was obtained.3. Results showed that the optimum condition in carboxy methylation were: 15 percent sodium hydroxide , 20 % chloroacelic acid, alkalified 35℃, etherification 50℃, etherification time 120 min. Under these conditions, the final product with 80.43 percent of carboxy methylation, and 36.51% of SBP was obtained.4. The excellent technological process of extracting SBP is as follows:Dried Sugar beet pulp- pretreatment microwave irradiation extracting pectin filtration filter liquor-purifying pectin with Al2 (SO4) 3 seasoning- pectin(SDF)I residue- enzymolysis- perishing enzyme- rinsing- seasoning-IDFi extracting hemicellulose with alkaline process1 extracting cellulose with alkaline processi SBP with carboxy methylation...