Cholesterol-Lowering Fiber. The dietary fiber in guava helps protect your heart by promoting healthy cholesterol levels. High LDL cholesterol is a risk factor for heart disease, and consuming dietary fiber helps reduce blood LDL cholesterol levels, according to the Linus Pauling Institute.uava is a source of antioxidants, which help protect your heart. A 2-ounce guava fruit provides 125 milligrams of vitamin C, or 208 percent of the daily value. Individuals with a higher consumption of vitamin C have a lower risk of developing coronary heart disease, according to the Linus Pauling Institute.
Types of Cell Culture Contamination The two main forms of cell culture contamination are chemical and biological. Chemical cell culture contamination refers to the adulteration of a cell culture with nonliving substances that have a negative impact on the culture system.
A stool culture can find out what bacteria, viruses, parasites, or fungi may be causing an infection. For a stool culture, you collect a stool sample in a clean container. Then you bring it to a lab where the bacteria or other organisms are allowed to grow.To find out what type of infection you have, the person doing the test will do chemical tests and look at the sample under a microscope. Depending on what your stool is being tested for, you may only need to collect one stool sample.Or you may need several stool samples over a period of days.o find out what type of infection you have, the person doing the test will do chemical tests and look at the sample under a microscope. Depending on what your stool is being tested for, you may only need to collect one stool sample.