Qiang Zhang, Nian Liu, Mingmei Tu, Shuangshuang Wang
{"title":"Effect of conditioning treatment parameters of cellulases solution on milling characteristics of brown rice","authors":"Qiang Zhang, Nian Liu, Mingmei Tu, Shuangshuang Wang","doi":"10.7451/CBE.2018.60.3.1","DOIUrl":null,"url":null,"abstract":"A new enzymatic pre-treatment method for improving milling characteristics was studied by spraying cellulases solution on brown rice. The effects of enzymatic pre-treatment parameters on milling characteristics of brown rice were analyzed by response surface methodology. The optimum milling characteristic was obtained under cellulases concentration of 117.4 mg/mL, interval time of 77.2 min and temperature of 35.5 °C. Validation experiments indicated that head rice yield and milling energy consumption were respectively 4.59% higher and 32.95% lower than the values for untreated samples, 1.83% higher and 8.10% lower than those of moisture conditioning treatment. The breaking force and surface structure of the brown rice by enzymatic pre-treatment were studied to reveal the mechanism of change for milling characteristics.","PeriodicalId":34955,"journal":{"name":"Canadian Biosystems Engineering / Le Genie des biosystems au Canada","volume":"1 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2018-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian Biosystems Engineering / Le Genie des biosystems au Canada","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7451/CBE.2018.60.3.1","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 4
Abstract
A new enzymatic pre-treatment method for improving milling characteristics was studied by spraying cellulases solution on brown rice. The effects of enzymatic pre-treatment parameters on milling characteristics of brown rice were analyzed by response surface methodology. The optimum milling characteristic was obtained under cellulases concentration of 117.4 mg/mL, interval time of 77.2 min and temperature of 35.5 °C. Validation experiments indicated that head rice yield and milling energy consumption were respectively 4.59% higher and 32.95% lower than the values for untreated samples, 1.83% higher and 8.10% lower than those of moisture conditioning treatment. The breaking force and surface structure of the brown rice by enzymatic pre-treatment were studied to reveal the mechanism of change for milling characteristics.
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