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.
Here are a few types of GI infections that you may have heard about: 1  Salmonella bacteria lead to between 1 and 5 million cases of diarrheal illness in the United States each year. These bacteria, a major cause of food poisoning, are frequently found in raw chicken or eggs. Shigella bacteria are highly contagious and spread easily from person to person. They attack the intestinal wall and may cause ulcers that bleed. Shigella infections account for more than 160 million cases of diarrhea around the world each year. E. coli bacteria are found in the bowel movements of people and animals. Some strains of the bacteria secrete a toxin that can be life-threatening for little kids and older people.