Determination of lactucin in roots of ch
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E. Leclercq
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Article
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1984
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Elsevier Science
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English
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The milk sap of lettuce (Lactuca sp.) and the roots and heads of chicory (Cithorium intybus L.) contain lactucin and lactucopicrin (Fig. l), both of which are sesquiterpene lactones responsible for the bitterness of the plants1-3.