Off-flavor in milk from the cows feeded with swinecress (Coronopus didymus)

Mitsuya Shimoda, Takashi Yoshimura, Hiroya Ishikawa, Shigeru Shioya, Isao Hayakawa, Yutaka Osajima

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The effects of swinecress grass feeding on volatile constituents of cow milk were investigated. Volatiles from milk and swinecress grass were separated by simultaneous distillation-extraction under reduced pressure and analyzed by GC and GC-MS. Off-flavored milk indicated the higher concentrations in aldehydes, terpenes, hydrocarbons and miscellaneous volatiles including 6 sulfur containing compounds, on the contrary, the lower concentrations in fatty acids, ketones and lactones. It was supposed that the alteration of volatile composition was caused by the inhibitory actions of benzyl isothiocyanate on microbial and/or enzymatic activities in the rumen of cows. The isothiocyanate comprised 19% of total amount of volatiles from swinecress grass.

Original languageEnglish
Pages (from-to)189-197
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume45
Issue number1
Publication statusPublished - Nov 2000

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

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