Research Article

Microbiological Quality of Organic and Conventional Leafy Vegetables

Table 2

Mean counts of aerobic mesophilic bacteria, yeasts and molds, and coliforms at 30°C and 45°C from 70 vegetable samples from organic and conventional cultivation.

Microorganism ConventionalOrganic value

Aerobic mesophilic bacteria ()4.840.834.321.13
Yeasts and molds ()3.180.782.810.850.04
Coliforms at 30°C ()1.960.971.081.02<0.01
Coliforms at 45°C ()0.790.880.250.27<0.01

SD is standard deviation. Values in bold indicate significant statistical difference (). Student’s -test. Mann–Whitney’s test.