Poppy seeds: implications of consumption
by
Lo DS, Chua TH
Toxicology Laboratory,
Institute of Science and Forensic Medicine, Singapore.
Med Sci Law 1992 Oct; 32(4):296-302

ABSTRACT

Three white poppy seed samples of Papaver somniferum L were found to contain total morphine (free and bound) in the range 58.4 to 62.2 micrograms/g seeds and total codeine (free and bound) in the range 28.4 to 54.1 micrograms/g seeds. Soaking seeds in water was found to remove 45.6 per cent of the free morphine and 48.4 per cent of the free codeine. In ingesting a curry meal or two containing various amounts of washed seeds (morphine intake: 200.4 to 1002 micrograms; codeine intake: 95.9 to 479.5 micrograms), the urinary morphine levels were found to be in the range 0.12 to 1.27 micrograms/ml urine and urinary codeine levels in the range 0.04 to 0.73 micrograms/ml urine. In any large scale screening for abuse of opiate drugs, the possibility of urinary alkaloids arising from consuming food containing poppy seeds must be considered and, if possible, eliminated.

Thebaine
Morphine
Tolerance
Eat and drive
Opioids and depression
'The poppy-seed defence'
Morphine in the oral fluids and poppy seed bagels

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