The lipids of the common house cricket,Acheta domesticus L. II. Hydrocarbons

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Abstract
The hydrocarbons of the common house cricketAcheta domesticus L. consist ofn‐alkanes (4%), 2‐methylalkanes (20%), x‐methylalkanes (59%), an unidentified series of alkanes (trace), and olefins (16–185). The major n‐alkane isn‐nonacosane (3.5%). The major 2‐methylalkanes are 2‐methyloctacosane (8%) and 2‐methyltriacontane (11%). The members of the homologous x‐methylalkane series consist of mixtures of methylalkanes in which the methyl side‐chain is located on the 13th, 15th, and 17th carbon atom in the chain. The major x‐methylalkanes are the homologues containing 31 (3%), 33 (6.5%), 35 (12.5%), 37 (27%), and 39 (2.5%) carbon atoms. The olefins are a mixture of straight‐chain and 2‐methyl‐alkenes and alkadienes. The major olefins contain 31 (3%) and 37 (7.5%) carbon atoms.