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[Determination of trace elements in pumpkin by FAAS].

Wen-xiu Fan1, Xin-zheng Li, Rui-jun Jing

  • 1Department of Chemical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China.

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu
|July 13, 2006
PubMed
Summary

This study determined multi-trace elements in pumpkin using FAAS, finding abundant essential nutrients like potassium and zinc. These findings highlight pumpkin

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Area of Science:

  • Agricultural Science
  • Analytical Chemistry
  • Nutritional Science

Background:

  • Pumpkin is a globally cultivated crop with significant nutritional value.
  • Understanding the elemental composition of pumpkin is crucial for assessing its health benefits.
  • Previous studies have not comprehensively analyzed multi-trace elements across different pumpkin parts and growth stages.

Purpose of the Study:

  • To establish optimal conditions for the simultaneous determination of multi-trace elements in pumpkin using FAAS.
  • To quantify the levels of essential elements (K, Ca, Mg, Na, Zn, Cu, Mn, Fe, Co, Cr) in various pumpkin parts and growth stages.
  • To evaluate the nutritional significance of pumpkin based on its elemental profile.

Main Methods:

  • Flame Atomic Absorption Spectrometry (FAAS) was employed for elemental analysis.
  • Method validation included assessing relative standard deviation and recovery rates.
  • Samples were collected from different parts of the pumpkin at various growth periods.

Main Results:

  • The FAAS method demonstrated high precision and accuracy, with relative standard deviations ranging from 0.1% to 2.6% and recovery rates between 96.7% and 106.5%.
  • Significant levels of essential elements, including potassium (K), calcium (Ca), magnesium (Mg), zinc (Zn), chromium (Cr), and manganese (Mn), were detected in pumpkin.
  • Elemental concentrations varied across different pumpkin parts and growth stages.

Conclusions:

  • The developed FAAS method is reliable for simultaneous multi-trace element determination in pumpkin.
  • Pumpkin is a rich source of essential minerals vital for human health.
  • The findings underscore the high nutritional value of pumpkin, supporting its role in a healthy diet.

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