Family 



Pinaceae 



Umbelliferae 



Bignoniaoeae 

 Ranunculacoae 



-28 - 



Genus and Species Source 

 Larix europaea Resin 



Ferula assafoetida 



Resin of root* 

 and rhizomes 



Isoferulic Acid 



CH=CHCOOH 



^J 



XV- 

 OCH-; 



Catalpa ovata 'Root bark 



Cimicifuga racemosa Rhizome 



OH 

 3 



Reference 

 37 

 Oik 



280 

 195 



Fluoracetic Acid 



CH2FCOOH 



Dichapetalaceae Dichapetalum cymosum 



i|28 



Aceraceae 



Asclepiadaceae 

 Chenopodiaoeae 



Compo sitae 

 Cruciferae 



Eucommiaceae 

 Euphorbiaceae 



Fumaric 



Acid 







H-C- 

 n 



-COOH 





HOOC-C- 



-H 





Acer saccharum 





Sirup 



i+76 



« » 





" sugar sand" 



U77 



it 11 





Sap, sirup 



5h9 



Asclepias syriaca 





Root 



1+30 



Beta vulgaris 





Beet diffusion 

 juice 



508. 



Helianthus annuus 







58 



Bunias orientalis 





Stem? leaf 5 









flowering top 



322 



Eucommia ulmoides 





Leaf 



251+ 



Cluytia similis 





Leaf, stem 



739 



Ricinus communis 





Germinating bean 



lk9 



