| bacteriological quality assessment of fresh marketed lettuce and fennel. | one-hundred and twenty samples of lettuce and 89 samples of fennel purchased from five retail outlets in the city of bari (italy) from october 1973 through september 1975 were examined for viable aerobic bacteria (ab), total coliforms (tc), fecal coliforms (fc), fecal streptococci (fs), and salmonellae. comparative tests indicated that the results of bacteriological analysis of wash water from either vegetable by a membrane filter technique compared favorably with those of conventional cultural ... | 1976 | 820256 |