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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국식품영양과학회 Journal of Food Science and Nutrition Journal of Food Science and Nutrition Vol.9 No.4
- 발행연도
- 2004.12
- 수록면
- 306 - 311 (6page)
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초록· 키워드
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This study was performed to investigate the antimicrobial effects of Portulaca oleracea extracts against food-borne pathogens. First, the Portulaca oleracea was extracted with methanol at room temperature, and then further fractionated by using petroleum ether, chloroform, ethyl acetate and methanol, respectively. The antimicrobial activity of the Portulaca oleracea extracts was determined using a paper disc method against food-borne pathogens and food spoilage bacteria. The ethyl acetate extracts of Portulaca oleracea showed the highest antimicrobial activity against Staphylococcus aureus and Shigella dysenteriae. There was also a synergistic effect of the combined extracts of Portulaca oleracea and Indigofera kirilowii as compared to each extract alone. Finally, the growth inhibition curve of ethyl acetate extracts of Portulaca oleracea against Staphylococcus aureus and Shigella dysenteriae was determined. The ethyl acetate extract of Portulaca oleracea showed strong antimicrobial activity against Staphylococcus aureus at the concentration of 4,000 ppm. The 4,000 ppm of ethyl acetate extract from Portulaca oleracea, retarded the growth of S. aureus by more than 24 h and Shigella dysenteriae up to 12 h at 37℃.
목차
Abstract
INTRODUCTION
MATERIALS AND METHODS
RESULTS AND DISCUSSION
REFERENCES
참고문헌 (24)
참고문헌 신청
, 1996 , Preliminary antimicrobial screening of four South African Asteraceae species 52 : 27 ~ 33
, 1996 , Antimicrobial screening of selectd medicinal plants from India 52 : 27 ~ 33
, 1996 , Antimicrobial activites of southern Neopalese medicinal plants 50 : 97 ~ 102
, 1996 , Natural products organic chemistry - Screening of biologically active compounds from various weeds 39 : 409 ~ 413
, 1997 , Antimicrobial effect of ethanol extracts from some medicinal herbs and their fractionates against food-born bacteria 29 : 808 ~ 816
, 1996 , Antimicrobial screening of selectd medicinal plants from India 52 : 27 ~ 33
, 1996 , Antimicrobial activites of southern Neopalese medicinal plants 50 : 97 ~ 102
, 1996 , Natural products organic chemistry - Screening of biologically active compounds from various weeds 39 : 409 ~ 413
, 1997 , Antimicrobial effect of ethanol extracts from some medicinal herbs and their fractionates against food-born bacteria 29 : 808 ~ 816
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