ASCLEPIAS SYRIACA L. (Asclepiadaceae) "Milkweed" 11-OCTADECENOIC-ACID Seed 13,650 - 47,700 ppm 9,12-HEXADECADIENOIC-ACID Seed 1,820 - 6,360 ppm 9-HEXADECENOIC-ACID Seed 9,100 - 31,800 ppm ALPHA-AMYRIN Sprout Seedling ASCLEPIADIN Sprout Seedling ASH Latex Exudate 12,300 ppm; Seed 37,000 - 42,000 ppm BETA-AMYRIN Sprout Seedling BETA-AMYRIN-ACETATE Latex Exudate BETA-SITOSTEROL Sprout Seedling CAOUTCHOUC Latex Exudate 1,000 - 15,000 ppm; Plant 16,000 ppm CINNAMIC-ACID Plantge CINNAMIC-ACID-CARDENOLIDE-ESTER Seed CONDURANGIN Seed CYMAROSE Seed DESGLUCOUZARIN Seed FAT Seed 91,000 - 318,000 ppm GLUCOSE Seed LINOLEIC-ACID Seed 48,230 - 168,540 ppm LINOLENIC-ACID Seed 910 - 3,180 ppm NICOTINE Sprout Seedling OLEIC-ACID Seed 13,650 - 47,700 ppm PALMITIC-ACID Seed 3,640 - 12,720 ppm POLYPHENOLS Plant 72,000 ppm PROTEIN Seed 176,000 - 372,000 ppm RHAMNOSE Seed SYRIOBIOSIDE Seed SYRIOGENIN Seed TANNIN Sprout Seedling UZARIGENIN Seed XYSMALOGENIN Seed --------------------------------------------------- ppm = parts per million tr = trace