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Updated: Jun 23, 2026
06:53
Preparation of Food Samples Using Homogenization and Microwave-Assisted Wet Acid Digestion for Multi-Element Determination with ICP-MS
Published on: December 22, 2023
[Determination of 23 trace elements in wines by ICP-AES]
Yi-Qun Wan1, Feng-Qin Pan, Ying-Xia Liu
1The Key Laboratory of Food Science of Ministry of Education, Nanchang University, Nanchang 330047, China. yqwanoy@sina.com
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|May 19, 2009
Summary
Trace element analysis in Jiangxi wines revealed significant differences based on region, alcohol content, and quality. This study provides a basis for understanding wine quality through elemental composition.
Area of Science:
- Analytical Chemistry
- Food Chemistry
- Geochemistry
Context:
- Wine production in Jiangxi province involves diverse geographical and manufacturing factors.
- Trace element profiles in wine can be influenced by origin, processing, and quality.
- Accurate determination of trace elements is crucial for quality assessment and authenticity.
Purpose:
- To determine the concentrations of 23 trace elements (As, Ba, Co, Ni, Cu, Be, Sr, Cr, Mn, Li, P, Se, Pb, Bi, Cd, B, Zn, Mg, Fe, K, Na, Ca, Al) in nineteen wines from Jiangxi province.
- To investigate the variations in trace element content related to different producing regions, alcoholic degrees, and qualities.
- To validate a sample preparation method using nitric acid for inductively coupled plasma-atomic emission spectrometry (ICP-AES) analysis.
Summary:
- Inductively coupled plasma-atomic emission spectrometry (ICP-AES) was employed to quantify trace elements in Jiangxi wines.
- The analytical method demonstrated good accuracy (90.5–107.6% recovery) and precision (0–5.81% RSD) after sample digestion with nitric acid.
- Significant differences in trace element profiles were observed among wines from different regions and varying quality grades from the same manufacturer, with specific elements like Bi, Co, P, Se, Cu, Fe, K, and Al showing distinct patterns.
Impact:
- Establishes a reliable analytical method for trace element determination in wine.
- Provides empirical evidence for the influence of geographical origin and manufacturing parameters on wine's elemental fingerprint.
- Offers a theoretical foundation for future research linking specific trace elements to wine quality attributes and regional characteristics.
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