Session S42b (Tuesday, 2pm, CHEM 102)

P512: Determination of cadmium in non-organically grown batavian, butterhead, chinese, iceberg, looseleaf and romaine lettuces using atomic absorption spectroscopy (AAS) - WITHDRAWN

Keith Kostecka (Columbia College – Chicago, USA)

Cadmium is a heavy metal that, though it has many everyday uses, is toxic to a variety of tissues within the human body. It is commonly found in leafy green vegetables such as spinach and lettuce at levels ranging from 30 – 150 ppb. Our studies looked to see if cadmium levels were different in six lettuce cultivars grown non-organically. Samples of each type of lettuce were prepared according to Stafilov’s procedure and subsequently analyzed by atomic absorption spectroscopy (AAS). Results indicated that there was no significant difference in cadmium levels amongst five of the cultivars; butterhead lettuce though had a significantly higher cadmium level than that any of the other cultivars.


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