7 1 Aliphatic Acids and Glycolipides 



120 Ajraricic Acid (Agaricin, Laricic Acid, Agaric Acid) C2i.H4„07, 



colorless microcrystalline powder, m.p. 142° (dec), [^tlu^" 

 -9° (in dilute NaOH solution). 



CH3(CH.)i5— CH— COOH 



HO— C— COOH 



CH2— COOH 



Polyporus officinalis (=Fomes officinalis, Fomes laricis) 

 A yield of 189^ of the weight of the fruiting body has 

 been reported. 



H. Thomas and J. Vogelsang, Ann. 357 145 (1907). 



121 Ventosic Acid, C00H44O,., white amorphous powder, m.p. 183°. A 



tetrahydroxybehenic acid. 



Haematomma ventosum, other lichens 

 Thamnolic acid was isolated from the same source. 

 Yngve Johannes Solberg, Acta Chem. Scand. 11 1477 



(1957). 



122 Tetracosanoic Acid (Lignoceric Acid), C04H4SO0, colorless plates, 



m.p. 87.5°. 



CH3(CH,),,COOH 



Mycobacterium tuberculosis, Phycomyces blakesleeanus, 

 Penicillium chrysogenum 



Robert L. Peck and R. J. Anderson, /. Biol. Chem. 140 89 

 (1941). 



Karl Bernhard and Hans Albrecht, Helv. Chim. Acta 31 977 

 (1948). 



Yoshiro Abe, Proc. Fac. Erig. Keiogijuku Univ. 2 15 (1949). 

 (Chem. Abstr. 47 49491) 



123 Pentacosanoic Acid, Co-.H.-.oOs, colorless crystals, m.p. 84°. 



CH3(CHo)o3COOH 



Mycobacterium tuberculosis var. homiriis 

 A. Aebi, J. Asselineau and E. Lederer, Bull. soc. chim. biol. 

 35 661 (1953). 



124 Hexacosanoic Acid (Phthioic Acid, Cerotic Acid, Cerinic Acid), 



CogHgoOo, colorless crystals, m.p. 88°. 



CH3 (CH..)24COOH 

 Mycobacterium tuberculosis, Phycomyces blakesleeanus 



