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The lipids of the common house cricket,Acheta domesticus L. I. Lipid classes and fatty acid distribution

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Lipids

Abstract

The lipids of the common house cricket,Acheta domesticus L., have been examined with the following results. The fatty acids associated with the lipid extracts do not change significantly from the third through the eleventh week of the crickets' postembryonic life. The major fatty acids are linoleic (30–40%), oleic (23–27%), palmitic (24–30%), and stearic acids (7–11%). There are smaller amounts of palmitoleic (3–4%), myristic (∼1%), and linolenic acids (<1%). The fatty acid composition of the cricket lipids reflects but is not identical to the fatty acids of the dietary lipids: linoleic (53%), oleic (24%), palmitic (15%), stearic (3%), myristic (2%), and linolenic acid (2%).

The amount of triglycerides present in the crickets increases steadily from the second through the seventh or eighth week of postembryonic life, then drops sharply. Other lipid classes, such as hydrocarbons, simple esters, diglycerides, monoglycerides, sterols, and free fatty acids remain about constant. The composition of the fatty acids associated with the tri-, di-, and monoglycerides and the free fatty acid fraction are all about the same. The fatty acids associated with the simple esters are high in stearic acid.

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Authors and Affiliations

  1. Department of Chemistry, University of Michigan, 48104, Ann Arbor, Michigan

    Roderick F. N. Hutchins & Michael M. Martin (Associate Prof.)

Authors
  1. Roderick F. N. Hutchins
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  2. Michael M. Martin
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Postdoctoral Research Associate, Department of Chemistry, University of Michigan, 1965–1967.

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Hutchins, R.F.N., Martin, M.M. The lipids of the common house cricket,Acheta domesticus L. I. Lipid classes and fatty acid distribution. Lipids 3, 247–249 (1968). https://doi.org/10.1007/BF02531195

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  • DOI: https://doi.org/10.1007/BF02531195

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