Development and Determination of Reference Material for Glycerol Trioleate/Glycerol Tristearate Solid Fat Content

PU Cheng; CHENG Fang; WANG Miaomiao; REN Lingling

doi:10.12338/j.issn.2096-9015.2021.0605

Volume 67 Issue 1

Jan. 2023

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PU Cheng, CHENG Fang, WANG Miaomiao, REN Lingling. Development and Determination of Reference Material for Glycerol Trioleate/Glycerol Tristearate Solid Fat Content[J]. Metrology Science and Technology, 2023, 67(1): 16-22. doi: 10.12338/j.issn.2096-9015.2021.0605

Citation:

PU Cheng, CHENG Fang, WANG Miaomiao, REN Lingling. Development and Determination of Reference Material for Glycerol Trioleate/Glycerol Tristearate Solid Fat Content[J]. Metrology Science and Technology, 2023, 67(1): 16-22. doi: 10.12338/j.issn.2096-9015.2021.0605

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Development and Determination of Reference Material for Glycerol Trioleate/Glycerol Tristearate Solid Fat Content

doi: 10.12338/j.issn.2096-9015.2021.0605

1.
National Institute of Metrology, Beijing 100029, China
2.
China Jiliang University, Hangzhou 310018, China

Available Online: 2022-12-01
Publish Date: 2023-01-18

Abstract

Abstract

Solid fat content (SFC) is an important quality indicator for describing fats and oils, such as cocoa butter and margarine. Low-field nuclear magnetic resonance (NMR) has become the mainstream method for measuring SFC due to its simplicity, speed, and lack of chemical reagents. The low-field NMR direct method is a relative measurement method that requires calibration and traceability of the instrument using a mixture of glycerol trioleate and glycerol tristearate. This paper introduces the principles of low-field NMR and SFC measurement, studies the traceability path of SFC for the glycerol trioleate/glycerol tristearate mixture, investigates its stability at different temperatures, analyzes the reasons for inaccurate measurement of mixed oil tubes at different temperature conditions, and finally determines the calibration method and temperature of the reference materials.
- solid fat content,
- low-field nuclear magnetic resonance,
- glycerol trioleate,
- glycerol tristearate,
- reference material

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References(22)

References

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