78 



INDEX 



a'5- Vaccenic acid, Cont. 

 as growth promoter for Lacto- 

 bacillus delbrueckii, 58-61 

 biosynthetic route to, 57 

 biotin-like growth promoting ac- 

 tivity of, 21 

 distribution in bacteria, 36 

 in Lactobacillus arabinosus, 36 

 in Lactobacillus casei, 36 

 labeling pattern in biosynthetic, 



64 

 melting points of some deriva- 

 tives, 37 



cf5-Vaccenic acid, Cont. 



metabolic relation to lactobacil- 

 lic acid, 38, 39, 41 



c/5-\'accenic acid-l-Ci4, as pre- 

 cursor of lactobacillic acid, 49- 

 51 

 incorporation into lactobacillic 

 acid, 54 



fran5-Vaccenic acid, biotin-like 

 growth promoting activity of, 

 21 



Yeast, desaturation of fatty acids 

 by, 66 



