The isoflavone content of commercially-available feline diets in New Zealand

K.M. Bell, S.M. Rutherfurd, W.H. Hendriks

Research output: Contribution to journalArticleAcademicpeer-review

16 Citations (Scopus)

Abstract

To identify and quantify concentrations of the isoflavones genistein, daidzein, biochanin A and formononetin in commercially-prepared feline diets sold in New Zealand. METHODS: Feline diets (n=138) were collected from supermarkets, pet stores and veterinary clinics in New Zealand. Diets were classified into five categories based on the following criteria: the presence/absence of soy, the presence/absence of non-soy plant material, and dry matter (DM) content. A high performance liquid chromatography (HPLC)-based assay was developed and validated to identify and quantify concentrations of the isoflavones genistein, daidzein, biochanin A and formononetin. RESULTS: Isoflavones were detected in all categories of diet, and at quantifiable concentrations in 104/138 (75%) of the diets tested. More dry diets (127/138; 92%) contained isoflavones at quantifiable concentrations than moist diets (83/138; 60%, p
Original languageEnglish
Pages (from-to)103-108
JournalNew Zealand Veterinary Journal
Volume54
Issue number3
DOIs
Publication statusPublished - 2006

Keywords

  • soy isoflavones
  • postmenopausal women
  • phytoestrogens
  • estrogens
  • foods
  • cats
  • identification
  • genistein
  • disease
  • health

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