Experiment 4 Study of microscopic features of Stramonium

Experiment 4

STUDY OF MICROSCOPICAL FEATURES OF STRAMONIUM

Microscopical Features

• -          Both surface  is covered by smooth cuticle.
• -          Anisocytic stomata is present.
• -          Mesophyll is composed of a single layer of palisade and multilayered spongy parenchyma.
• -          Beneath the palisade layer there is a crystal layer where calcium oxalate crystals are present in each cell.
• -          Covering trichome is uniseriate, multicellular, warty, with blunt apex.
• -          Glandular trichome has one or two celled stalk and multicellular head.

Chemical constituents

• -          Scopolamine (Hyoscine)
• -          Scopoline (Hyoscyamine)

Phamcological action/ Uses

• -          Narcotic
• -          Antispasmodic
• -          Anodyne
• -          Treatment of earache, parkinsonism, sore and fish bites.