Tannic acid degradation by Klebsiella strains isolated from goat feces.

ABSTRACT:

Background and objectives

Tannins are toxic polyphenols that either bind and precipitate or condense proteins. The high tannin content of some plants is the preliminary limitation of using them as a ruminant feed. So, the aim of this study was the isolation and characterization of tannic acid degrading bacterial strains from goat feces before and after feeding on Pistachio-Soft Hulls as tannin rich diet (TRD).

Materials and methods

Bacterial strains capable of utilizing tannic acid as sole carbon and energy source were isolated and characterized from goat feces before and after feeding on TRD. Tannase activity, maximum tolerable concentration and biodegradation potential were assessed.

Results

Four tannase positive isolates were identified as Klebsiella pneumoniae. Is

SUBMITTER: Tahmourespour A 

PROVIDER: S-EPMC4833736 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature