Rapid detection of Chinese-specific peony seed oil by using confocal Raman spectroscopy and chemometrics

Hongpeng Wang; Yingjian Xin; Huanzhen Ma; Peipei Fang; Chenhong Li; Xiong Wan; Zhiping He; Jianjun Jia; Zongcheng Ling

doi:10.1016/j.foodchem.2021.130041

Rapid detection of Chinese-specific peony seed oil by using confocal Raman spectroscopy and chemometrics

Food Chem. 2021 Nov 15:362:130041. doi: 10.1016/j.foodchem.2021.130041. Epub 2021 May 21.

Authors

Hongpeng Wang¹, Yingjian Xin², Huanzhen Ma³, Peipei Fang³, Chenhong Li², Xiong Wan⁴, Zhiping He⁵, Jianjun Jia⁶, Zongcheng Ling⁷

Affiliations

¹ Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China. Electronic address: wanghongpeng813@163.com.
² Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China; University of the Chinese Academy of Sciences, Beijing 100049, China.
³ School of Life Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of the Chinese Academy of Sciences, Beijing 100049, China.
⁴ Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; School of Life Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China. Electronic address: wanxiong@mail.sitp.ac.cn.
⁵ Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China. Electronic address: hzping@mail.sitp.ac.cn.
⁶ Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Research Center for Quantum Sciences, Shanghai 201315, China. Electronic address: jjjun10@mail.sitp.ac.cn.
⁷ Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, China.

PMID: 34087711
DOI: 10.1016/j.foodchem.2021.130041

Abstract

Peony seed oil (PSO) is a new woody nut oil which is unique to China. Its unsaturated fatty acids are over 90% and are rich in α - linolenic acid. Although the PSO industry is in its infancy, it is bound to become a top vegetable oil food material because of its own advantages. The potential high commercial profit of its adulteration with cheap vegetable oil will be an important factor hindering the healthy development of PSO industry. It is of great significance to study the adulteration of PSO for preventing large-scale adulteration. In this study, the qualitative and quantitative analysis of PSO was realised based on Raman spectroscopy combined with chemometrics analysis, and the fatty acid composition of PSO was analysed according to Raman characteristic peaks. The technology can be applied to routine analysis and quality control of PSO.

Keywords: Adulteration; Chinese-specific nut oil; Confocal Raman spectroscopy; Peony seed oil; Quantitative analysis.

MeSH terms

China
Fatty Acids / analysis*
Food Analysis / methods*
Food Contamination / prevention & control
Paeonia / chemistry*
Plant Oils / chemistry*
Seeds / chemistry*
Spectrum Analysis, Raman

Substances

Fatty Acids
Plant Oils