ETX 10 Lecture Notes - Lecture 15: Datura Stramonium, Atropa Belladonna, Brugmansia

• School: UC-Davis
• Department: Environmental Toxicology
• Course: ETX 10
• Professor: Tjeerdema Ronald

Document Summary

Plant toxins - chemical )arfare: why chemical warfare, avoid predation plants cannot run and hide, plants use many avoidance strategies, such as spines, irritant fu and thick, tough surfaces i. In middle ages in europe, jimson weed/thornapple (cid:840)part of deadly nightshade family; contain atropine(cid:841) discovered to be hallucinogenic. If potatoes are sprouting, or are green, pop off the sprouts: nicotiana tobacco (cid:840)stimulant insecticide(cid:841, other nightshade family members, tomato, pepper, eggplant, plant toxins important chemistry i, alkaloids organic bases (cid:840)nicotine, etc. (cid:841) Bitter, basic: cyanide hydrocyanic acid (cid:840)amygdalin in bitter almonds(cid:841) Can kill someone in a couple of minutes: glycosides sugar bonded to alcohol (cid:840)oleandrin(cid:841) i. i, oxalate oxalic acid (cid:840)dumb cane, rhubarb(cid:841) Crystalli es in brain/kidney antifree e? i. ii: esters acid bonded to alcohol (cid:840)pencil bush(cid:841) Lactones cyclic esters (cid:840)xanthotoxin in limes(cid:841) f. i. ii: phenols alcohol form of ben ene (cid:840)laccol(cid:841) If you put lime juice on in the sun, get severe blistering and redness.