Pharm2 - (TROPANEALKALOID SOLANACEOUS POWER PLANTS Family...

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(TROPANE-ALKALOID) SOLANACEOUS POWER PLANTS Family: Solanaceae (nightshade, tomato) o > 75 genera; > 2000 species o Ltn. “solamen” = quieting o refers to the sedative properties of some of these plants o most distinctive familial characteristic flower w/ 5 united or nearly united petals Food Plants o potato ( Solanum tuberosum ) o tomato ( Solanum lycopersicum ) o eggplant ( Solanum melongena ) o chili pepper ( Capsicum …) o naranjilla = lulo ( Solanum quitoense ) o tomatillo ( Physalis ixocarpa ) o sweet potato is not related to yam are not related to potato sweet potato is part of morning glory family  Convolvulaceae yam is used medicinally, of the family  Dioscoreaceae Properties o poisons in the leaves and unripe fruits of these solanaceous food plants o we eat only the ripe fruits or tubers (fleshy underground stem) o steroidal glycoalkaloids steroids linked to sugars; also contain a basic nitrogen tomatine in tomato chaconine in potato solanine in both tomato and potato o dissolve in membranes and mess them up promoting leakage of ions o antifungal and anti-insect properties Tropane Alkaloid-Containing Power Plants o deadly nightshade:  Atropa belladonna o mandrake:  Mandragora officinarum o henbane:  Hyoscyamus niger o Datura o Brugmansia o Brunfelsia Major Tropane Alkaloids o hyoscyamine isolated from  Hyosyamus niger
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