Jan 11, 2012 · 4. You will test glucose, fructose, lactose, sucrose, starch, water, and your unknown. Add 1 mL of the solution to be tested to each of 7 labeled test tubes. Add 3 drops of iodine solution to each of the 7 test tubes, and mix each tube. Compare the colors and record your observations. Fermentation Test 5. Jul 23, 2015 · If you suspect you are lactose intolerant, Quirk advises that you get your doctor to perform a clinical test – usually a breath test that detects the fermentation of lactose by gut bacteria.
But these sugar fermentation tests are of no diagnostic value in routine laboratory tests except Lactose & Sucrose fermentation test, which is of great importance in differentiating Salmonella typhi, which is unable to ferment Lactose and Sucrose, from other Pathogenic & non-pathogenic Salmonella species. Bacterial fermentation from Lactobacilli is another type of fermentation that affects bread, especially with sourdough or wild-yeast pre-ferments. These are rod-shaped bacteria that assist the process of fermentation and produce flavoring acids, such as lactic and acetic acids, plus too many to name, along with CO2 as by-products of metabolism ...
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