Abstract
ABSTRACTNicotine at several ppm was detected in the dehydrated fresh produce of the Solanaceae species including tomato, potato peel, eggplant and green pepper. Its identity was verified by GLC, TLC and CC‐mass spectrometry. The presence of nicotine in all parts of the tomato plant suggested biosynthetic origin. In contrast, the 2 to 23 ppm nicotine found in green tea and instant tea samples might be attributed to insecticide contamination. There was no detectable level of nicotine in non‐Solanaceae fruit and vegetables and other processed foods analyzed
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