Persistence of Alkaloids in Plant Tissue

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Science  08 Apr 1960:
Vol. 131, Issue 3406, pp. 1047
DOI: 10.1126/science.131.3406.1047


Under appropriate conditions of preservation, alkaloids can be detected in plant tissues after extended periods of time. A positive test for this class of compounds was given by a sample of plant material estimated to be 1300 years old.