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Determination of Toxic and Nutritional Elements in Cereal and Other Plant Seeds using ICP-OES

This application note demonstrates the rapid and accurate determination of toxic and nutritional elements in food samples using the Thermo Scientific iCAP 7400 ICP-OES Duo.

Introduction
Plant seeds such as, sesame, millet, sunflower and cereal grains, have nutritive value and are grown in huge quantities and provide more food energy worldwide than any other type of crop. Different countries have different cereals as their staple food. This distinction derives from early agricultural civilizations who valued not only the staple food’s nutrition but also their storability. For example, wheat is the most significant cereal in the diets of most European countries. On the other hand, rice is the primary grain used in China, Japan, South East Asia, Bangladesh, India, Pakistan, Brazil, Myanmar and Vietnam. The staple food cereal in Northern America, Central America and Africa is maize or corn, while millets and sorghum are widely consumed in India and Africa. Cereals are a good source of carbohydrates, vitamins, proteins and minerals including calcium, iron, sodium, potassium, copper, zinc etc., which serve as a source of energy for day to day life.

This application note demonstrates simple, fast and accurate determination of these elements along with nutritional elements present in a variety of cereals and other plant seeds using the Thermo Scientific™ iCAP™ 7400 ICP-OES Duo. Various food samples were collected from exporters and local markets for the analysis.