Optimization of process parameters for total dietary fiber from leaves of Toona Sinensis with compound enzyme method by response surface methodology

LIU Jing; LI Xiang-li; ZHANG Qi-mei; WEI Hai-xiang; ZHU Jiu-bin; ZHAO Min

doi:10.13386/j.issn1002-0306.2014.17.039

LIU Jing, LI Xiang-li, ZHANG Qi-mei, WEI Hai-xiang, ZHU Jiu-bin, ZHAO Min. Optimization of process parameters for total dietary fiber from leaves of Toona Sinensis with compound enzyme method by response surface methodology[J]. Science and Technology of Food Industry, 2014, (17): 217-221. DOI: 10.13386/j.issn1002-0306.2014.17.039

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Optimization of process parameters for total dietary fiber from leaves of Toona Sinensis with compound enzyme method by response surface methodology

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The method of single factor test and response surface analysis was adopted to optimize the enzymatic extraction of total dietary fiber ( TDF) from leaves of Toona sinensis with cellulose and amylase ( 1∶1) .The results showed that enzyme dosage 0.5%, enzymolysis time 2.0h, temperature 61℃, and pH6.1. The TDF extracting rate was 74.01% under these optimum conditions with low levels of impurities.The physiological activation was good, the holding water capacity and swelling property were 6.50 g /g and 4.50 mL /g respectively.

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Science and Technology of Food Industry

Optimization of process parameters for total dietary fiber from leaves of Toona Sinensis with compound enzyme method by response surface methodology

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