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author:

Xiao, Zifen (Xiao, Zifen.) [1] | Fu, Hong (Fu, Hong.) [2] (Scholars:傅红) | Wang, Yiyi (Wang, Yiyi.) [3] | Zhang, Hong (Zhang, Hong.) [4] | Hu, Peng (Hu, Peng.) [5] | Ye, Xiuyun (Ye, Xiuyun.) [6] (Scholars:叶秀云)

Indexed by:

EI Scopus PKU CSCD

Abstract:

Low-field nuclear magnetic resonance (Lf-NMR) has been utilized to research the water state and distribution of high-moisture soft margarine. Bonding mixture of β-sitosterol and γ-oryzanol has been utilized as grease texture material in the experiment of the paper. The proton transverse relaxation time (T2) was determined by Carr-Purcell-Meiboom-Gill (CPMG) pulse sequences. The distribution of the T2 relaxation indicated that the relaxation time of 40~150 ms region could reflect the information of fat in the samples. The T2 relaxation time of bound water and free water were decreased, when adding bonding mixture of β-sitosterol and γ-oryzanol, the free water content demonstrated strong bonding effect between bonding mixture and water molecules significantly. When the addition of bonding mixture reached 4%, it had a 17.8% decreasing in free water compared to the blank sample. As a result, the bonding mixture of β-sitosterol and γ-oryzanol could improve the microstructure and sensory quality of the soft margarine sample, which was observed by polarized light microscopy and sensory evaluation. ©, 2015, Editorial Department, Chinese Cereals and Oils Association. All right reserved.

Keyword:

Microstructure Mixtures Moisture Moisture meters Molecules Nuclear magnetic resonance Relaxation time Sensory perception Water quality

Community:

  • [ 1 ] [Xiao, Zifen]College of Biological Science and Technology, Fuzhou University, Fuzhou, China
  • [ 2 ] [Fu, Hong]College of Biological Science and Technology, Fuzhou University, Fuzhou, China
  • [ 3 ] [Wang, Yiyi]College of Biological Science and Technology, Fuzhou University, Fuzhou, China
  • [ 4 ] [Zhang, Hong]Wilmar (Shanghai) Biotechnology Research and Development Center Co. Ltd., Shanghai, China
  • [ 5 ] [Hu, Peng]Wilmar (Shanghai) Biotechnology Research and Development Center Co. Ltd., Shanghai, China
  • [ 6 ] [Ye, Xiuyun]College of Biological Science and Technology, Fuzhou University, Fuzhou, China
  • [ 7 ] [Ye, Xiuyun]Enzyme Engineering Research Institute, Fuzhou University, Fuzhou, China

Reprint 's Address:

  • 傅红

    [fu, hong]college of biological science and technology, fuzhou university, fuzhou, china

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Source :

Journal of the Chinese Cereals and Oils Association

ISSN: 1003-0174

CN: 11-2864/TS

Year: 2015

Issue: 5

Volume: 30

Page: 47-52

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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