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Characterization of lipid compositions, minor components and antioxidant capacities in macadamia (Macadamia integrifolia) oil from four major areas in China

文献类型： 外文期刊

作者： Shuai, Xixiang 1 ; Dai, Taotao 2 ; Chen, Mingshun 1 ; Liu, Cheng-mei 1 ; Ruan, Roger 1 ; Liu, Yuhuan 1 ; Chen, Jun 1 ;

作者机构： 1.Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Peoples R China

2.Guangxi Acad Agr Sci, Agroprod Proc Sci & Technol Res Inst, Nanning 530007, Peoples R China

3.Nanchang Univ, 235 Nanjing East Rd, Nanchang, Peoples R China

关键词： Macadamia oil; Cultivation areas; Minor components; Cluster analysis; Antioxidant activities

期刊名称：FOOD BIOSCIENCE （ 影响因子：5.318； 五年影响因子：5.846 ）

ISSN： 2212-4292

年卷期： 2022 年 50 卷

页码：

收录情况： SCI

摘要： Macadamia is rich in lipids and considered as a source of high-quality oil. In this study, fatty acids, tri-acylglycerols, minor components and antioxidant activities of macadamia oils (MOs) from four cultivated regions (YN: Yunnan Province; GZ: Guizhou Province; GX: Guangxi Province; GD: Guangdong Province) in China were systematically analyzed by modern chromatography (Gas chromatography, high performance liquid chroma-tography, inductively coupled plasma mass spectrometry and ultraviolet spectroscopy). The analysis indicated macadamia oil enriched in unsaturated fatty acids (UFA), including 62.4%-65.6% oleic acid and 11.4%-17.3% palmitoleic acid. Among the four cultivated regions, the MO from YN exhibited the highest contents of UFA (85.0%) and palmitoleic acid. In addition, the minor components and antioxidant activities of MO from four cultivation areas showed a significant difference, which GX-MO had the highest contents of alpha-tocotrienols (58.9 mg/kg) and phytosterols (2310.4 mg/kg), while GZ-MO was rich in squalene (626.7 mg/kg) and YN-MO had the highest levels of polyphenols (71.0 mg GAE/kg) and antioxidant capacity. Based on the correlation analysis, the polyphenols and alpha-tocotrienols had a remarkable contribution on the antioxidant activities of MO. Furthermore, the cultivation areas of MO can be distinguished according to the analysis of hierachical cluster analysis and principal components. Our studies offer a potential guidance for the identification of MO and its application in food industry.

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