Journal of Agricultural and Food Chemistry 2000-07-01

Biotransformation of gamma-terpinene and (-)-alpha-phellandrene by the larvae of common cutworm (Spodoptera litura).

M Miyazawa, T Wada

Index: J. Agric. Food Chem. 48(7) , 2893-5, (2000)

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Abstract

gamma-Terpinene was mixed in artificial diet at a concentration of 1 mg/g of diet, and the diet was fed to the last instar larvae of common cutworm (Spodoptera litura). Metabolites were recovered from frass and analyzed spectroscopically. gamma-Terpinene was transformed mainly to p-mentha-1,4-dien-7-oic acid and p-cymen-7-oic acid (cumic acid). Similarly, (-)-alpha-phellandrene was transformed mainly to (4R)-p-mentha-1,5-dien-7-oic acid and p-cymen-7-oic acid (cumic acid). The C-7 position (allylic methyl group) of gamma-terpinene and (-)-alpha-phellandrene was preferentially oxidized.

Related Compounds

  • α-phellandrene
  • (R)-(-)-alpha-Phe...

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