Alcoholic fermentation and its prevention by Lactobacillus buchneri in whole crop rice silage

Naoki Nishino, H. Hattori, Y. Kishida

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Aims: To evaluate the fermentation characteristics and the effects of Lactobacillus buchneri inoculation in ensiling whole crop rice. Methods and Results: Laboratory-scale silages were prepared from whole crop rice harvested at yellow-ripe stage. The crop was ensiled for 2 months with and without inoculation of L. buchneri at 104, 105 and 106 CFU g-1. The effect of prolonged ensiling was also studied by using the same crop; the silos were opened at 1, 3, 6 and 12 months, while the inoculation was made at 105 CFU g-1. Enhanced alcoholic fermentation was found in untreated silage; the sum of ethanol and 2,3-butanediol were seven times higher at 2 months than those of lactic and volatile fatty acids, while the differences were diminished at 12 months owing to the reduction of ethanol in the late ensiling period. Inoculation of L. buchneri inhibited the alcohols; however, ethanol yet prevailed over the fermentation until 6 months, after which acetic acid became the main product in the inoculated silage. Regardless of inoculation and ensiling period, yeasts were not found in whole crop rice silage. Conclusions: Substantial amounts of ethanol and 2,3-butanediol would be produced in silage prepared from whole crop rice. The alcoholic fermentation can be suppressed when inoculated with L. buchneri. Significance and Impact of the Study: Inoculation of L. buchneri could be an option to prevent ethanol fermentation in silage.

Original languageEnglish
Pages (from-to)538-543
Number of pages6
JournalLetters in Applied Microbiology
Volume44
Issue number5
DOIs
Publication statusPublished - May 2007

Fingerprint

Silage
silage
Lactobacillus
Fermentation
inoculation
Crops
fermentation
rice
ethanol
Ethanol
crop
Volatile fatty acids
Volatile Fatty Acids
Acetic acid
Acetic Acid
acetic acid
Yeast
yeast
Oryza
alcohol

Keywords

  • Alcohol
  • Lactic acid bacteria
  • Silage
  • Whole crop rice

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Water Science and Technology
  • Fluid Flow and Transfer Processes
  • Microbiology
  • Ecology

Cite this

Alcoholic fermentation and its prevention by Lactobacillus buchneri in whole crop rice silage. / Nishino, Naoki; Hattori, H.; Kishida, Y.

In: Letters in Applied Microbiology, Vol. 44, No. 5, 05.2007, p. 538-543.

Research output: Contribution to journalArticle

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