Omega 3 fatty acids - found in abundance in certain fish, such as salmon, tuna and others, as well as in flax seed oil - are heart healthy dietary lipids. Olive oil is a moâ¦nounsaturated fatty acid which is also a heart healthy dietary lipid.
10 slides per box. A more selective modification of MacConkey medium which is suitable for the detection and enumeration of coliform organisms and also for the detection and isolation of Salmonella and Shigella species occurring in pathological and food specimens.ue to the inclusion of a specially prepared fraction of bile salts in addition to crystal violet, the medium gives improved differentiation between coliforms and non-lactose fermenting organisms whilst Gram-positive cocci are completely inhibited.
The feces of infected individuals (1) and waters contaminated by infected feces (2) are also reservoirs of the pathogenic agent. General Characteristics. Shigella are gram-negative rods that are non-motile and non-sporeforming (2). The bacteria is primarily a human disease, but has been found in some primates (2).Shigella are facultative anaerobes, similar to enterics such as E. coli (3).eutrophils in the stool are an easily identifiable sign of Shigella infection (3). In the medical laboratory, identification of individual Shigella species is often accomplished through slide agglutination using absorbed rabbit antisera (3).