Tracing the Source of Cooking Oils with an Integrated Approach of Using Stable Carbon Isotope and Fatty Acid Abundance | |
Liu, WG (Liu, Weiguo)[1,2]; Yang, H (Yang, Hong)[3]; Wang, Z (Wang, Zheng)[1]; Liu, JZ (Liu, Jinzhao)[2] | |
2012-08-15 | |
发表期刊 | JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY |
卷号 | 60期号:23页码:8069-8073 |
文章类型 | 期刊论文 |
摘要 | We report a new approach to identify swill-cooked oils that are recycled from tainted food and livestock waste from commercial vegetable and animal oils by means of carbon isotope values and relative abundance of fatty acids. We test this method using 40 cooking oil samples of different types with known sources. We found significant differences in both total organic carbon isotope as well as compound-specific isotope values and fatty acid C-14/C-18 ratios between commercial vegetable oils refined from C-3 plants (from -35.7 to -27.0 parts per thousand and from 0 to 0.15) and animal oils (from -28.3 to -14.3 parts per thousand and from 0.1 to 0.6). Tested swill-cooked oils, which were generally refined by mixing with animal waste illegally, fall into a narrow delta C-13/fatty acid ratio distribution: from -25.9 to -24.1 parts per thousand and from 0.1 to 0.2. Our data demonstrate that the index of a cross-plotting between fatty acid delta C-13 values and C-14/C-18 ratios can be used to distinguish clean commercial cooking oils from illegal swill-cooked oils. |
关键词 | Vegetable Oil Swill-cooked Oil Animal Fat Fatty Acid Carbon Isotope |
DOI | 10.1021/jf302410b |
收录类别 | SCI ; EI |
语种 | 英语 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.ieecas.cn/handle/361006/10103 |
专题 | 加速器质谱中心 |
通讯作者 | Liu, WG (Liu, Weiguo)[1,2] |
作者单位 | 1.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment (IEE), Chinese Academy of Sciences (CAS),Xi’an 710075, People’s Republic of China; 2.School of Human Settlement and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China; 3.Department of Science and Technology, College of Arts and Sciences, Bryant University, Smithfield, Rhode Island 02917, UnitedStates |
推荐引用方式 GB/T 7714 | Liu, WG ,Yang, H ,Wang, Z ,et al. Tracing the Source of Cooking Oils with an Integrated Approach of Using Stable Carbon Isotope and Fatty Acid Abundance[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2012,60(23):8069-8073. |
APA | Liu, WG ,Yang, H ,Wang, Z ,&Liu, JZ .(2012).Tracing the Source of Cooking Oils with an Integrated Approach of Using Stable Carbon Isotope and Fatty Acid Abundance.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,60(23),8069-8073. |
MLA | Liu, WG ,et al."Tracing the Source of Cooking Oils with an Integrated Approach of Using Stable Carbon Isotope and Fatty Acid Abundance".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 60.23(2012):8069-8073. |
条目包含的文件 | ||||||
文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
Tracing the source o(529KB) | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | 请求全文 |
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