FATTY ACID METABOLISM IN MICROORGANISMS 



T 



5.0 7.0 9.0 



Wave length in microns 



Fig. 1.4. Infrared absorption spectra of lactobacillic acid and one of 

 its hydrogenation products. (1) Lactobacillic acid from L. arahinosus. 

 (2) Liquid hydrogenation product. 



All of the properties cited fit formula I (Fig. 1.3) as a likely 

 structure for lactobacillic acid with the position of the 

 cyclopropane ring unassigned. 



LABORATORY SYNTHESIS OF LONG-CHAIN 

 FATTY ACIDS CONTAINING THE 

 CYCLOPROPANE RING 



Although the position of the methylene bridge cannot 

 be established by the reactions described in Chapter 1, sec- 

 tion 2, structures for lactobacillic acid with the ring located 



