Lactuca sativa Stems as the Source of Bioactive Compounds as well as the Leaves

The stems of Lactuca sativa L. are usually not popular as the leaves in preparing the salads and therefore thrown away. The work is intended to compare the phytoconstituents of the leaves and stems extracts. Gas chromatography-mass spectrometry (GC-MS) is applied for the petroleum ether extracts of the leaf and the stem of the selected varieties (L. sativa var. longifolia L. and L. sativa var. capitata L.). A total of fifty-eight compounds were...