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author:

Lin, Rongfa (Lin, Rongfa.) [1] | Zhong, Xiaofang (Zhong, Xiaofang.) [2] | Dai, Meina (Dai, Meina.) [3] | Liu, Zuwen (Liu, Zuwen.) [4] | Ma, Mubiao (Ma, Mubiao.) [5] | Jiang, Zhou (Jiang, Zhou.) [6] | Fu, Hong (Fu, Hong.) [7] (Scholars:傅红)

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EI PKU CSCD

Abstract:

The effect of phytosterol organogelators (β-sitosterol : γ-oryzanol=2 : 3, m : m) on the network structure and oxidation characteristics of soybean oil oleogels were studied. The results showed that when the addition amount of phytosterol organogelators was within the range of 2% to 10%, the storage modulus (G') of soybean oil oleogels of 6% was always higher than loss modulus (G''), which indicated that the system had formed a stable solid-like gel structure. Polarized light microscopy showed that 6% oleogels appeared a regular and compact aggregation state after stored at 45 for 10 days, with a peroxide value of 15.59 mmol/kg, a malondialdehyde content of 1.49 mg/kg, and a headspace oxygen consumption of 24.19%, showed the best oxidation stability. 2% to 10% of β-sitosterol or γ-oryzanol was added to soybean oil respectively, the headspace oxygen consumption of the sample showed that β-sitosterol had an anti-oxidant effect, and γ-oryzanol had a pro-oxidant effect. After heated at 180 for 2.5 hours, the headspace oxygen consumption of 6% phytosterol oleogels was 5.00% lower than the control, showed a good thermal oxidation stability. Meanwhile, both Rao and Rad acquired from 1H NMR spectra had a good positive correlation with the total oxidation value of phytosterol oleogels during the thermal oxidation at 70 . © 2022, Editorial Office of Journal of CIFST. All right reserved.

Keyword:

Nuclear magnetic resonance spectroscopy Oxidants Oxygen Soybean oil Thermooxidation

Community:

  • [ 1 ] [Lin, Rongfa]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 2 ] [Zhong, Xiaofang]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 3 ] [Dai, Meina]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 4 ] [Liu, Zuwen]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 5 ] [Ma, Mubiao]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 6 ] [Jiang, Zhou]Fujian Tianma Science and Technology Group Co., Ltd., Fuzhou; 350308, China
  • [ 7 ] [Fu, Hong]College of Biological Science and Engineering, Fuzhou University, Fuzhou; 350108, China

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Source :

Journal of Chinese Institute of Food Science and Technology

ISSN: 1009-7848

CN: 11-4528/TS

Year: 2022

Issue: 1

Volume: 22

Page: 155-162

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: 7

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