LI Feng.Modifying Soybean Dietary Fiber by Ultra High Pressure Treatment[J].Soybean Science,2008,27(01):141-144.[doi:10.11861/j.issn.1000-9841.2008.01.0141]
超高压处理对大豆膳食纤维的改性
- Title:
- Modifying Soybean Dietary Fiber by Ultra High Pressure Treatment
- Keywords:
- Ultra high pressure; Soybean; Dietary fiber; Modification
- 文献标志码:
- A
- 摘要:
- 大豆膳食纤维的生理功能与其理化性质密切相关,而理化性质又与膳食纤维的化学结构及其多相网状结构相关,因此在膳食纤维提取制备工艺日益成熟后膳食纤维的改性研究成为新的研究热点。为探索超高压处理对大豆膳食纤维性质的影响,将膳食纤维充分吸水后经700MPa静压,1 5 min处理后分别考察处理前后样品的持水率、膨胀率、黏度和显微结构的变化。结果表明,处理后样品的持水率、膨胀率都有较大的提高;处理后样品黏度略有下降;处理后样品的组织结构更加的疏松,空隙增多增大,但是其瓣膜状的空间结构没有改变。试验结果为大豆膳食纤维的改性研究提供参考数据。
- Abstract:
- Soybean insoluble dietary fiber’s (SIDF) physiological function correlated closely to the physicochenical property and which was influenced by SIDF’s chemical construction and multiphase reticular structure.SIDF’smodification became the new research hotspot when the extraction and preparation technics have maturated.In order to explore the influences of ultra high pressure treatment on SIDF’s characteristics,sufficiently water absorbed SIDF was dealed with 700 MPa for 15 min.The change of sample’s water retention capacity (WRC) ,swelling capacity (WSC),viscosity and microstructure was inspected respectively.The result indicated that the treated sample’s WRC and WSC increased and it’s microstructure became loose and porous without space structure change.Sample’s viscosity decreased lightly.The research provides theoretical basis for soybean dietary fiber modification study.
参考文献/References:
[1]Chen C S,Dong Y M,and Zhao H.2003.Study on apple dietary fiber modification.Science and Technology of Food Industry,(6):34-35(陈存社,董银卯,赵华.2003.苹果膳食纤维改性实验研究.食品工业科技,(6):34-35)
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备注/Memo
作者简介:李凤(1971-),女,讲师,硕士,研究方向为功能性食品和食品生物技术。Tel:13890150138;E-mail:meif1971yahoo.com.cn