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author:

Xiao, Z. (Xiao, Z..) [1] | Fu, H. (Fu, H..) [2] | Wang, Y. (Wang, Y..) [3] | Zhang, H. (Zhang, H..) [4] | Hu, P. (Hu, P..) [5] | Ye, X. (Ye, X..) [6]

Indexed by:

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; Moisture distribution; Nuclear magnetic resonance; Soft margarine; β-sitosterol; γ-oryzanol

Community:

  • [ 1 ] [Xiao, Z.]College of Biological Science and Technology, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Fu, H.]College of Biological Science and Technology, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Wang, Y.]College of Biological Science and Technology, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Zhang, H.]Wilmar (Shanghai) Biotechnology Research and Development Center Co. Ltd., Shanghai, 200137, China
  • [ 5 ] [Hu, P.]Wilmar (Shanghai) Biotechnology Research and Development Center Co. Ltd., Shanghai, 200137, China
  • [ 6 ] [Ye, X.]College of Biological Science and Technology, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Ye, X.]Enzyme Engineering Research Institute, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Fu, H.]College of Biological Science and Technology, Fuzhou UniversityChina

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Source :

Journal of the Chinese Cereals and Oils Association

ISSN: 1003-0174

Year: 2015

Issue: 5

Volume: 30

Page: 47-52

Cited Count:

WoS CC Cited Count:

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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