UNDERESTIMATION OF FECAL-COLIFORM COUNTS IN SHELLFISH-GROWING WATERS BY THE SPANISH OFFICIAL METHOD

被引:2
作者
ARAUJO, M [1 ]
SUEIRO, RA [1 ]
AMEZAGA, A [1 ]
GARRIDO, MJ [1 ]
机构
[1] UNIV SANTIAGO DE COMPOSTELA,INST FOOD RES & ANAL,MICROBIOL LAB,E-15076 SANTIAGO,SPAIN
关键词
METHODS; FECAL COLIFORMS; SHELLFISH-GROWING WATERS;
D O I
10.4315/0362-028X-58.7.791
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
We compared two tube fermentation methods for the enumeration of fecal coliforms in mussels: the APHA method and the Spanish official method (CP method). In the study area (Galicia, northwest Spain), the regional authorities have proposed that the CP method be adopted as standard. Results showed that the APHA method gave significantly higher counts (P < 0.01) than the CP method. The mean difference between APHA-method counts and CP-method counts was particularly high when only those samples containing less than 500 fecal coliforms per 100 g (as determined by either method) were considered. A significantly higher number of samples were classified as unacceptable (more than 300 fecal coliforms per 100 g) by the APHA method than by the CP method. These results suggest that the CP method is inappropriate for the enumeration of fecal coliforms in mussels.
引用
收藏
页码:791 / 795
页数:5
相关论文
共 28 条
[1]   SUBLETHAL STRESS IN ESCHERICHIA-COLI - FUNCTION OF SALINITY [J].
ANDERSON, IC ;
RHODES, M ;
KATOR, H .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1979, 38 (06) :1147-1152
[2]   COMPARATIVE-STUDY OF COLIFORM-ENUMERATION MEDIA FROM SEAWATER SAMPLES [J].
AVILA, MJ ;
MORINIGO, MA ;
CORNAX, R ;
ROMERO, P ;
BORREGO, JJ .
JOURNAL OF MICROBIOLOGICAL METHODS, 1989, 9 (03) :175-193
[3]   SURVIVAL STRATEGY OF ESCHERICHIA-COLI AND ENTEROCOCCUS-FAECALIS IN ILLUMINATED FRESH AND MARINE SYSTEMS [J].
BARCINA, I ;
GONZALEZ, JM ;
IRIBERRI, J ;
EGEA, L .
JOURNAL OF APPLIED BACTERIOLOGY, 1990, 68 (02) :189-198
[4]   EVALUATION OF THE 7-H MEMBRANE-FILTER TEST FOR QUANTITATION OF FECAL COLIFORMS IN WATER [J].
BARNES, R ;
CURRY, JI ;
ELLIOTT, LM ;
PETER, CR ;
TAMPLIN, BR ;
WILCKE, BW .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1989, 55 (06) :1504-1506
[5]  
COLLINS CH, 1984, MICROBIOLOGICAL METH, P280
[6]   A MANAGEMENT STRATEGY TO REDUCE BACTERIAL POLLUTION IN SHELLFISH AREAS - A CASE-STUDY [J].
CRANE, SR ;
MOORE, JA .
ENVIRONMENTAL MANAGEMENT, 1986, 10 (01) :41-51
[7]  
EYLES MJ, 1980, FOOD TECHNOL AUST, V32, P89
[8]   EFFECT OF SUNLIGHT ON ENUMERATION OF INDICATOR BACTERIA UNDER FIELD CONDITIONS [J].
FUJIOKA, RS ;
NARIKAWA, OT .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1982, 44 (02) :395-401
[9]   OCCURRENCE AND DISTRIBUTION OF BACTERIAL INDICATORS AND PATHOGENS IN CANAL COMMUNITIES ALONG TEXAS COAST [J].
GOYAL, SM ;
GERBA, CP ;
MELNICK, JL .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1977, 34 (02) :139-149
[10]   COMPARISON OF SELECTED METHODS FOR THE ENUMERATION OF FECAL-COLIFORMS AND ESCHERICHIA-COLI IN SHELLFISH [J].
GRABOW, WOK ;
DEVILLIERS, JC ;
SCHILDHAUER, CI .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1992, 58 (09) :3203-3204