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Updated: Jun 1, 2026
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Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
Published on: September 1, 2017
[Determination of trace elements in garlic from Xinjiang different groups by AAS]
Ming Guan1, Zhuo-bin Weng, Min-boz Xiong
1Xinjiang Medical University, Urumqi 830053, China. guanming1111@sohu.com
Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|May 21, 2011
Summary
This study analyzed essential minerals and heavy metals in Xinjiang garlic using atomic absorption spectrometry. Garlic from Xinjiang is rich in beneficial elements, with varying trace element levels reflecting diverse environmental factors.
Area of Science:
- Agricultural Chemistry
- Analytical Chemistry
- Environmental Science
Context:
- Garlic (Allium sativum) is a globally significant crop with nutritional and medicinal value.
- Xinjiang, China, is a major agricultural region with diverse geographical and climatic conditions.
- Understanding the mineral and heavy metal content of garlic is crucial for food safety and nutritional assessment.
Purpose:
- To quantify the levels of calcium (Ca), iron (Fe), zinc (Zn), magnesium (Mg), copper (Cu), manganese (Mn), chromium (Cr), lead (Pb), and cadmium (Cd) in garlic from different regions of Xinjiang.
- To validate the reliability and accuracy of flame-atomic absorption spectrometry (FAAS) for elemental analysis in garlic samples.
- To investigate the geographical variations in elemental composition of Xinjiang garlic and their potential correlation with environmental factors.
Summary:
- Garlic samples from Xinjiang were analyzed for 9 elements (Ca, Fe, Zn, Mg, Cu, Mn, Cr, Pb, Cd) using wet digestion and FAAS.
- Method validation through standard addition recovery experiments demonstrated high accuracy (99.4–101.7% recovery) and precision (RSD < 5.15%).
- Results indicated that Xinjiang garlic is rich in beneficial elements, with significant variations in trace element content across different locations, likely influenced by regional topography, climate, soil, and hydrology.
Impact:
- Provides crucial data on the nutritional profile and potential contaminants in Xinjiang garlic.
- Highlights the influence of environmental factors on the elemental composition of agricultural products.
- Establishes FAAS as a reliable method for routine elemental analysis in garlic, supporting quality control and food safety initiatives.
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