Pseudomonas aeruginosa is a bacterium that has been isolated from human beings and plants. It is an opportunistic pathogen that can infect the respiratory system of patients with weakened immune system. Pseudomonas aeruginosa is commonly present in moist locations, such as soil and water, which happen to be the two most common growth media for […]

Escherichia coli (E. coli) is a type of coliform bacteria commonly present in the lower intestine of warm-blooded animals. It is therefore commonly found in animal feces. While most E. coli strains are harmless, some strains can cause severe diseases and diarrhoea when ingested by humans. There are also strains that produce toxins. Why test […]

Bile-tolerant gram negative bacteria are defined as bacteria that grow on violet red bile glucose agar (VRBGA) medium. That is gram negative bacteria that grow in the presence of bile salts, are non-lactose fermenting but able to utilize glucose. Some bile-tolerant gram negative bacteria include members of the family Enterobacteriaceae (including Klebsiella spp., E. coli), […]

The Total Yeast and Mold (TYM) test for Cannabis gives an indication of the level of contamination of Cannabis by yeast and mold. As with total bacterial tests, tests for “total yeast and mold” are essentially a quality test. They are unlikely to serve as a good indicator for the presence of pathogens. In fact, […]

Total plate count (or aerobic plate count) test is meant to determine the level of bacterial contamination on Cannabis. However, total plate count test does not determine the presence or absence of pathogenic bacteria. Why Test Cannabis for Total Plate Count (or Aerobic Plate Count) Although total plate count (or aerobic plate count) will not […]