نویسندگان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Abstract:
The growing interest in substitution of chemical food preservatives by naturalones has fostered researchs on plantessentiak oils and extracts. In this  study  effect  of  different  concentrations of   Zataria multiflora  Boiss.   Essential oil (0, 0.005, 0.015 and  0.03%) on Bacillus cereus  ATCC 11778, (103cfu /ml),  was   evaluated using sterilized samples (16 bottles  containing 80  ml  barley  soup)   and   4   different  incubating  temperatures (8, 10, 15 and  25 ?C) during 21 days.  Data   analysis   was   done   using   two way  ANOVA.  It  was  found   that effect  of different  concentrations   of  essential  oil  on growth  rate   of  Bacillus   cereus  ATCC 11778 was statistically  significant (p<0.01). The results  suggested that Zataria multiflora  Boiss. essential oil  can be considered  as a natural preservative in some foods 
Key words: Zataria  multiflora  Boiss., Essential oil,  Bacillus  cereus.
کلیدواژهها [English]